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Factors associated with adolescents’ health-related quality of life

Abstract

Objective

To analyze adolescents’ health-related quality of life and their associations with sociodemographic, family, health habits and behavior variables.

Methods

This is a cross-sectional study developed at a Federal Institute in 2018, in the cities of Pedreiras and Grajaú, located in the state of Maranhão, with the participation of 289 adolescents. Participant characterization was carried out using sociodemographic, family, health habits and behavior data, and the health-related quality of life was assessed using the KIDSCREEN-52. To verify which variables significantly influenced the health-related quality of life of adolescents, a multinomial regression analysis was performed.

Results

The following influenced adolescents’ health-related quality of life: sex (p=0.002, OR=2.396, CI=1.3777-4.169), age (p=0.021, OR=0.515, CI=0.292-0.906), family size (p=0.012, OR=2.004, CI=1.167-3.441), family head (p=0.005, OR=5.491, CI=1.687-7.875), frequency with which they practice physical activity (p=0.000, OR= 10.596, CI=3.425-2.785), weight (p=0.000, OR=8.147, CI=3.397-19.541) and sleep satisfaction (p=0.000, OR=13.377, CI=4.625-38.691).

Conclusion

Adolescents’ quality of life is a multifactorial construct and was associated with individual characteristics, family variables and lifestyle habits. Sleep satisfaction, as well as the practice of physical activity and weight satisfaction, were the main predictors of good quality of life.

Quality of life; Health profile; Health risk behaviors; Adolescent health

Resumo

Objetivo

Analisar a qualidade de vida relacionada à saúde de adolescentes e suas associações com variáveis sociodemográficas, familiares, hábitos e comportamentos em saúde.

Métodos

Estudo transversal desenvolvido em um Instituto Federal em 2018, nas cidades de Pedreiras e Grajaú, localizadas no estado do Maranhão, com a participação de 289 adolescentes. Foi realizada a caracterização dos participantes por meio de dados sociodemográficos, familiares, hábitos e comportamento em saúde e avaliada a qualidade de vida relacionada à saúde por meio do KIDSCREEN-52. Para verificar quais variáveis influenciaram de modo significativo a qualidade de vida relacionada à saúde dos adolescentes, foi realizada análise de regressão multinomial.

Resultados

Influenciaram a qualidade de vida relacionada à saúde dos adolescentes: sexo (p=0,002, RC=2,396, IC= 1,3777-4,169), idade (p=0,021, RC=0,515, IC=0,292-0,906), tamanho da família (p=0,012, RC=2,004, IC=1,167-3,441), chefe da família (p=0,005, RC=5,491, IC=1,687-7,875), frequência com que pratica atividade física (p=0,000, RC=10,596, IC=3,425-2,785), satisfação com o peso (p=0,000, RC=8,147, IC=3,397-19,541) e com o sono (p=0,000, RC=13,377, IC=4,625-38,691).

Conclusão

A qualidade de vida de adolescentes é um constructo multifatorial e esteve associada a características individuais, variáveis familiares e hábitos de vida. A satisfação com o sono, bem como a prática de atividade física e a satisfação com o peso foram os principais preditores da boa qualidade de vida.

Qualidade de vida; Perfil de saúde; Comportamentos de risco à saúde; Saúde do adolescente

Resumen

Objetivo

Analizar la calidad de vida relacionada con la salud de adolescentes y sus asociaciones con variables sociodemográficas, familiares, hábitos y comportamientos en salud.

Métodos

Estudio transversal desarrollado en un Instituto Federal en el 2018, en las ciudades de Pedreiras y Grajaú, ubicadas en el estado de Maranhão, con la participación de 289 adolescentes. La caracterización de los participantes se realizó a través de datos sociodemográficos, familiares, hábitos y del comportamiento en salud y se evaluó la calidad de vida relacionada con la salud por medio de KIDSCREEN-52. Para verificar qué variables influenciaron de modo significativo la calidad de vida relacionada con la salud de los adolescentes, se realizó un análisis de regresión multinomial.

Resultados

Influenciaron la calidad de vida relacionada con la salud de los adolescentes: sexo (p=0,002, RC=2,396, IC= 1,3777-4,169), edad (p=0,021, RC=0,515, IC=0,292-0,906), tamaño de la familia (p=0,012, RC=2,004, IC=1,167-3,441), jefe de familia (p=0,005, RC=5,491, IC=1,687-7,875), frecuencia de la práctica de actividad física (p=0,000, RC=10,596, IC=3,425-2,785), satisfacción con el peso (p=0,000, RC=8,147, IC=3,397-19,541) y con el sueño (p=0,000, RC=13,377, IC=4,625-38,691).

Conclusión

La calidad de vida de adolescentes es un constructo multifactorial y estuvo asociada a características individuales, variables familiares y hábitos de vida. La satisfacción con el sueño, así como la práctica de actividades físicas y la satisfacción con el peso fueron los principales predictores de una buena calidad de vida.

Calidad de vida; Perfil de salud; Conductas de riesgo para la salud; Salud del adolescente

Introduction

Understood as a transitional phase, adolescence is marked by intense changes not only of a physical order, but also mental and social. It is, therefore, during this process of (re)construction that adolescents enter a journey full of risks and vulnerabilities that can both enhance their development and compromise their life project.( 11. United Nations Population Fund (UNFPA). The State of World Population 2016 – 10: how our future depends on a girl at this decisive age. New York: (USA): UNFPA; 2016 [cited 2018 Jan 28]. Available from: https://www.unfpa.org/sites/default/files/sowp/downloads/The_State_of_World_Population_2016_--english.pdf
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In this regard, it is accepted that experiences related to adolescence are capable of defining adulthood, including with regard to health and quality of life (QoL) issues. It is understood that QoL is “individuals’ perception of their position in life, in the context of the culture and value systems in which they live, and in relation to their goals, expectations, standards and concerns”.( 22. World Health Organization (WHO). WHOQOL: measuring quality of life. Geneva: WHO; 1997 [cited 2018 Jan 28]. Available from: https://apps.who.int/iris/bitstream/handle/10665/63482/WHO_MSA_MNH_PSF_97.4.pdf?sequence=1&isAllowed=y
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In the context of Health Sciences, a more specific concept emerges, the health-related quality of life (HRQOL) or perceived health, which is the self-assessment that the individual makes about their current health status compared to their personal expectations and under the influence of external factors, such as the duration or severity of the disease and the level of social or family support received.( 33. Faria BM, Gonçalves J, Reis LP, Rocha Á. A clinical support system based on quality of life estimation. J Med Syst. 2015;39(10):308. )

The investigation of QoL within the scope of health research is in growing expansion and, despite its relevance, it is little studied in the adolescent population. The exploration of the theme has gained greater prominence in the last decade and Brazil is the second country that most investigates the subject, only behind the United States of America.( 44. Azevedo TD, Alves ED. Qualidade de vida de adolescentes: revisão da literatura e perspectivas atuais. Rev Gestão Saúde. 2016;7(2):851-72. )

A broad line of study focuses on adolescents’ HRQOL in a condition of illness, in the hospital or outpatient setting,( 55. Soares AH, Martins AJ, Lopes MC, Britto JA, Oliveira CQ, Moreira MC. Qualidade de vida de crianças e adolescentes: uma revisão bibliográfica. Cien Saude Colet. 2011;16(7):3197-206. Review. )and demonstrates the negative impact that the pathological process has on the perception of HRQOL, with reflection on the state emotional, self-perception, family and school relationships.( 66. Dewey D, Volkovinskaia A. Health-related quality of life and peer relationships in adolescents with developmental coordination disorder and attention-deficit-hyperactivity disorder. Dev Med Child Neurol. 2018;60(7):711-7. , 77. Zeiler M, Waldherr K, Philipp J, Nitsch M, Dür W, Karwautz A, et al. Prevalence of eating disorder risk and associations with health-related quality of life: results from a large school-based population screening. Eur Eat Disord Rev. 2016;24(1):9-18. )However, the analysis of groups in the community context is limited, with a lack of research that investigates the natural fluctuations of HRQOL during this phase of life.( 55. Soares AH, Martins AJ, Lopes MC, Britto JA, Oliveira CQ, Moreira MC. Qualidade de vida de crianças e adolescentes: uma revisão bibliográfica. Cien Saude Colet. 2011;16(7):3197-206. Review. )

In adolescence, representations about HRQOL are multifactorial and include individual, social and behavioral issues. In this sense, age and gender, the family nucleus characteristics, as well as the social experiences and behaviors assumed by this population group interfere in the perception of QoL.( 88. Agathão BT, Reichenheim ME, Moraes CL. Health-related quality of life of adolescent students. Cien Saude Colet. 2018;23(2):659-68.

9. İlhan N, Peker K, Yildirim G, Baykut G, Bayraktar M, Yildirim H. Relationship between healthy lifestyle behaviors and health related quality of life in turkish school-going adolescents. Niger J Clin Pract. 2019;22(12):1742-51.
- 1010. Maria AT, Guimarães C, Candeias I, Almeida S, Figueiredo C, Pinheiro A, et al. Health-related quality of life in portuguese adolescents: study in a school-age population. Acta Pediatr Port. 2017;48(3):203-11. )

Based on the above, and considering the gaps identified regarding the need for further investigation on QoL predictors in groups of adolescents in healthy conditions, this study aims to analyze adolescents’ HRQOL and their associations with sociodemographic and family variables, habits and behaviors in health.

Methods

This is a cross-sectional study carried out at the Federal Institute of Science and Technology of Maranhão (IFMA - Instituto Federal de Ciência e Tecnologia do Maranhão ), from May to August 2018. IFMA, created in 2008, offers courses at the basic, technical, undergraduate and graduate levels and currently has 29 campuses distributed throughout all regions of the state of Maranhão. The Federal Institutes are distinguished by having a diverse range of technical-administrative servers, including healthcare professionals (physician, nurse, nursing technician, psychologist, dentist, nutritionist). Professionals’ work involves preventive and interventional actions for basic assistance to students.( 1111. Maranhão. Instituto Federal do Maranhão (IFMA). Plano de Desenvolvimento Institucional: 2014 - 2018. São Luís (MA): IFMA; 2015 [citado 2017 Ago 10]. Disponível em: https://portal.ifma.edu.br/wp-content/uploads/2015/07/pdi.pdf
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The study included younger campuses (opened less than a year ago) and with a newly installed health team (with less than one year of experience), as they understand that healthcare professionals did not have enough time to intervene and bring about changes in students’ health and QoL. Thus, the campuses of cities of Grajaú and Pedreiras were part of the study.( 1212. Maranhão. Instituto Federal do Maranhão (IFMA). Documentos Conselho Superior. Resolução nº 114, de 26 de junho de 2017. São Luís (MA): IFMA; 2017 [citado 2017 Ago 10]. Disponível em: https://portal.ifma.edu.br/documentos/?id=12237
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Students with an age group corresponding to adolescence, according to the classification of the World Health Organization (10 to 19 years), participated in the research.( 11. United Nations Population Fund (UNFPA). The State of World Population 2016 – 10: how our future depends on a girl at this decisive age. New York: (USA): UNFPA; 2016 [cited 2018 Jan 28]. Available from: https://www.unfpa.org/sites/default/files/sowp/downloads/The_State_of_World_Population_2016_--english.pdf
https://www.unfpa.org/sites/default/file...
)Adolescents who, during the period of data collection, had their enrollment canceled or locked, who were transferred, retired or dropped out of school were excluded.

The population studied, considering the two campuses included in the study, consisted of 467 adolescents. It was decided to adopt a census sampling, in which all adolescents were approached and invited to participate in the research. In the end, 289 adolescents composed the study (response rate: 61.9%). The reasons for non-participation were non-acceptance or non-delivery of the assent term and/or duly signed and informed consent, after three approaches.

For this study, HRQOL represents the outcome and the predictor variables were adolescents’ individual, family and behavioral characteristics. Data collection involved the use of two instruments to characterize the participants and assess HRQOL (KIDSCREEN-52). The application took place through the digital platform Google Forms, in electronic equipment, with individual filling by the adolescent. The researcher remained at participants’ disposal to clarify any doubts during the collection.

A characterization questionnaire, prepared by the authors, consisted of 20 questions that included: sociodemographic and family data (e.g., marital status, ethnicity, family structure, maternal and paternal education, family income), in addition to health habits and behaviors (e.g., internet use, alcohol consumption, smoking, physical activity, sleep satisfaction, and weight satisfaction).

KIDSCREEN was conceived by a European project and aims to assess the HRQOL of children and adolescents, aged 8 to 18 years, healthy or chronically ill. It differs from the others for being the first international, transcultural, generic and adaptable instrument to different realities. In this context, it allows for ample comparison and has valid measures for different health statuses.( 1313. Guedes DP, Guedes JE. Translation, cross-cultural adaptation and psychometric properties of the kidscreen-52 for the brazilian population. Rev Paul Pediatr. 2011;29(3):364-71. )This instrument has two versions, one for children/adolescents and the other for parents/guardians; and it is available in 3 formats, with 10, 27 and 52 items.( 1414. The Kidscreen Group Europe. The Kidscreen questionnaires: quality of life questionnaires for children and adolescents. Germany: Pabst Science Publishers; 2006. )In this study, KIDSCREEN-52 was used in its version applicable to children/adolescents.

The KIDSCREEN-52 is a 5-point Likert scale consisting of 10 dimensions: Physical, Psychological Well-being, Moods and Emotions, Self-Perception, Autonomy, Parent Relations and Home Life, Social Support and Peers, School Environment, Social Acceptance (Bullying), Financial Resources. The instrument has translation, cross-cultural adaptation and validation for Brazil.( 1313. Guedes DP, Guedes JE. Translation, cross-cultural adaptation and psychometric properties of the kidscreen-52 for the brazilian population. Rev Paul Pediatr. 2011;29(3):364-71. )

Items, in general, assess the frequency or intensity that some feeling or attitude takes place. Regarding the calculation methodology, an overall score can be computed through the sum of all items assessment, ranging from 52 to 262.( 66. Dewey D, Volkovinskaia A. Health-related quality of life and peer relationships in adolescents with developmental coordination disorder and attention-deficit-hyperactivity disorder. Dev Med Child Neurol. 2018;60(7):711-7. )The general scores allowed to categorize HRQOL into poor, moderate, and good. The cutoff points were the quartiles of the variable under study, respectively: values below the 1stquartile, from the 1stto the 3rd, above the 3rdquartile.

The collected data were statistically analyzed using the Software Statistical Package for Social Science (SPSS®), version 20.0. The significance level was set at α = 0.05.

Population characterization through variables related to the sociodemographic profile, family variables, health habits and behaviors was constructed using descriptive statistics such as absolute (n) and relative (%) frequency. Regarding quantitative variables, measures of central tendency (mean) and dispersion (standard deviation) were obtained.

To verify which variables significantly influenced adolescents’ HRQOL, a multinomial regression analysis was performed, from which the odds ratio estimates were obtained, as well as their respective significance, using the Wald test. In order to assess goodness of fit and validate the results obtained, deviance and degrees of freedom inherent in the proposed model were taken into account.( 1515. Paula GA. Modelos de regressão: com apoio computacional. São Paulo: USP; 2004. , 66. Dewey D, Volkovinskaia A. Health-related quality of life and peer relationships in adolescents with developmental coordination disorder and attention-deficit-hyperactivity disorder. Dev Med Child Neurol. 2018;60(7):711-7. )

Regarding the quality of adjustment of the multinomial regression model and its respective interpretations, a value equal to 0.790 was obtained through the formula described below:

 Ratio  =  Deviance   Degrees of freedom  = 382.537 484 = 0 , 790

The obtained value indicates that the deviance was less than the degrees of freedom. In this case, the multinomial regression model fits the data well, which validates the results presented and their respective interpretations.

The study was submitted for consideration and approved by the Institutional Review Board of the UFPI, Opinion 2.445.803 (CAAE ( Certificado de Apresentação para Apreciação Ética - Certificate of Presentation for Ethical Consideration) 80585217.0.0000.5214). All ethical precepts contained in Resolution 466/12 of the Brazilian National Health Council ( Conselho Nacional de Saúde ) were respected.( 1717. Brasil. Ministério da Saúde. Conselho Nacional de Saúde. Resolução nº 466, de 12 de dezembro de 2012. Brasília (DF): Ministério da Saúde; 2012 [citado 19 Fev 2018]. Disponível em: http://bvsms.saude.gov.br/bvs/saudelegis/cns/2013/res0466_12_12_2012.html
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Results

The study included 289 adolescents, 173 female and 116 male, with a mean age corresponding to the second half of adolescence (16.1 years; SD±0.96). Most students were single (98.6%), without children (99%), self-reported brown/black color (83.0%), did not work (95.2%) and lived in the urban area (86.2% ) ( Table 1 ).

Table 1
Sociodemographic and family characteristics of adolescents

Regarding family composition, family size was up to four people for 61.6% of the adolescents and 54.7% had a nuclear-type family structure (father and mother). The head of the family was the father for 48.4% of respondents, followed by the mother (37.4%). Family income was up to 2 minimum wages (R$1,908 (US$346,90)) for 71.3% of the adolescents ( Table 1 ). Participants’ health habits and behaviors are shown in Table 2 . Adolescents never consumed alcohol (77.9%) or smoked (98.6%), sometimes or rarely practiced physical activity (61.9%) and were always connected to the Internet (51.2%).

Table 2
Adolescents’ health habits and behaviors

Regarding eating habits, most regularly consumed soft drinks, sweets and fried foods (often or always – 62.3%). The same did not occur with fruit, vegetable and green consumption, in which the most frequent answer was “sometimes” (35.6%). In agreement, 54.4% were not at all, slightly or moderately satisfied with their weight. Regarding sleep pattern, there was low satisfaction (45.3%, nothing or little satisfaction) and 65.7% of the adolescents had less than 8 hours of sleep per day ( Table 2 ).

Adolescents’ health-related quality of life and associated factors

The HRQOL analysis revealed a mean overall score of 176.66 (SD ±30.76), with the following categorization: poor HRQOL (values below 153), moderate HRQOL (values between 153 to 201) and good HRQOL (values above 201).

The variables associated with good adolescents’ HRQOL, considering the 95% confidence interval, were: age (p-value: 0.021), sex (p-value: 0.002), family size (p-value: 0.012), head family (p-value: 0.007), physical activity frequency (p-value: 0.000), weight satisfaction (p-value: 0.000), and sleep satisfaction (p-value: 0.000). The relationship of HRQOL with each of the variables mentioned is presented in Table 3 .

Table 3
Variables associated with adolescents’ health-related quality of life

Regression analysis performed allows us to infer that adolescents aged over 15 years were 48.5% less likely to have a good HRQOL. In relation to males, they were approximately 2.4 times more likely to have good HRQOL.

Regarding “family size”, students with a family of more than four people were about twice as likely to have a good HRQOL. For “family head”, having the father as head of the house represented 5.5 times more chance of having a good HRQOL when compared to other heads of household (as long as this head was not the mother or grandparents).

Regarding “physical activity”, it is noteworthy that the greater the physical activity frequency, the greater the chance of the adolescent having a good HRQOL. In this sense, the adolescent who always practiced physical activity had around 10 times more chance of having a good HRQOL compared to those who never practice.

Furthermore, adolescents who were satisfied with their weight and who were very satisfied with their sleep had an approximate value, respectively, of 8 and 13 times more likely to have a good HRQOL when compared to those who declared themselves not to be satisfied.

Discussion

The findings of this study reveal the variables associated with adolescents’ HRQOL in two cities in northeastern Brazil. The main limitation is coverage level, which is restricted to a small portion of the Brazilian adolescent population and requires caution in generalizing the results. Nevertheless, it brings relevant data that help in the construction of a local panorama and encourage new investigations in other regions of the country, in order to characterize the national scenario regarding the fluctuation of QoL in adolescence, focusing on the identification of its predictor variables.

Regarding individual characteristics, both male adolescents and those aged 15 years or less showed a better perception of HRQOL. Moreover, large or male-headed households positively impacted HRQOL at this stage of life. Regarding health habits and behaviors, the main predictors for good HRQOL in adolescence were: frequent physical activity, weight and sleep satisfaction.

With regard to HRQOL and its associations, the analyzes denote plurality in QoL, as they reflect the interaction between the different systems to which the adolescent is inserted. Such results are part of national and international overviews by understanding that HRQOL is a multifactorial construct and includes individual, family and behavioral issues.( 88. Agathão BT, Reichenheim ME, Moraes CL. Health-related quality of life of adolescent students. Cien Saude Colet. 2018;23(2):659-68.

9. İlhan N, Peker K, Yildirim G, Baykut G, Bayraktar M, Yildirim H. Relationship between healthy lifestyle behaviors and health related quality of life in turkish school-going adolescents. Niger J Clin Pract. 2019;22(12):1742-51.
- 1010. Maria AT, Guimarães C, Candeias I, Almeida S, Figueiredo C, Pinheiro A, et al. Health-related quality of life in portuguese adolescents: study in a school-age population. Acta Pediatr Port. 2017;48(3):203-11. )

Regarding the gender and age variables, the data corroborate the existing literature that establish them as factors capable of interfering in the perception of HRQOL by adolescents. In this regard, investigations point to a progressive decrease in the perception of HRQOL with advancing age, especially for females, which suggests a homeostatic system that is more sensitive to variations.( 88. Agathão BT, Reichenheim ME, Moraes CL. Health-related quality of life of adolescent students. Cien Saude Colet. 2018;23(2):659-68. , 1010. Maria AT, Guimarães C, Candeias I, Almeida S, Figueiredo C, Pinheiro A, et al. Health-related quality of life in portuguese adolescents: study in a school-age population. Acta Pediatr Port. 2017;48(3):203-11. , 1818. Bica I, Pinho LM, Silva EM, Aparício G, Duarte J, Costa J, et al. Sociodemographic influence in health-related quality of life in adolescents. Acta Paul Enferm. 2020;33:1-7. )

A cross-sectional study conducted with 385 Korean girls added that HRQOL’s negative judgment refers to cultural issues and the imposition of social standards that make them dissatisfied with their body image, overload their emotional state and impact on other dimensions of life.( 1919. Ra JS, Cho YH. Depression moderates the relationship between body image and health-related quality of life in adolescent girls. J Child Fam Stud. 2017;26(7):1799-807. )

Regarding the reduction in HRQOL with age, a longitudinal study carried out over a 4-year period in Hong Kong states two explanatory theories. The first concerns the growing demands and responsibilities that are assumed with advancing age. The second refers to the maturation of cognitive functions and the more realistic perspective with which the adolescent starts to see the world.( 2020. Shek DT, Li X. Perceived School Performance, Life Satisfaction, and Hopelessness: A 4-Year Longitudinal Study of Adolescents in Hong Kong. Soc Indic Res. 2016;126:921-34. )

Furthermore, family characteristics also interfere in the perception of HRQOL by adolescents. In the present study, the extended family nucleus was a predictive factor for a better perception of HRQOL, since it expands the support available. In Portugal, similar data support that the subjective well-being of adolescents is related to their family characteristics and, in particular, to the support received.( 2121. Gaspar T, Balancho L. Personal and social factors that influence subjective well-being: socioeconomic differences. Cien Saude Colet. 2017;22(4):1373-80. )

The male house head was also associated with a better perception of HRQOL in adolescence. This finding is possibly related to the social role of gender and new family models. For women, being a mother and the main provider of their family nucleus implies a distance from activities related to the home, which affects the quality of relationships and the social support perceived by their children.( 2222. Carvalho JB, Melo MC. A família e os papeis de gênero na adolescência. Psicol Soc. 2019;31:e168505. )

Work is, for women, a source of satisfaction and social recognition; while motherhood represents personal fulfillment. In order to achieve a balance between professional aspirations and personal plans, it is pertinent that beliefs and practices within the domestic space be re-signified. Maternity planning, emotional and financial organization, paternal co-responsibility for child care and task division minimize the maternal burden and, therefore, the consequences suffered byx children.( 2323. Fiorin PC, Oliveira CT, Dias AC. Percepções de mulheres sobre a relação entre trabalho e maternidade. Rev Bras Orientac Prof. 2014;15(1):25-35. )

It is important to highlight that, based on preliminary studies, an association between adolescents’ income and HRQOL was expected, which was not confirmed in this study. Both in Brazil and in other countries, studies have suggested that a favorable social condition and greater ownership of goods implies a better perception of HRQOL by adolescents.( 44. Azevedo TD, Alves ED. Qualidade de vida de adolescentes: revisão da literatura e perspectivas atuais. Rev Gestão Saúde. 2016;7(2):851-72. , 88. Agathão BT, Reichenheim ME, Moraes CL. Health-related quality of life of adolescent students. Cien Saude Colet. 2018;23(2):659-68. , 99. İlhan N, Peker K, Yildirim G, Baykut G, Bayraktar M, Yildirim H. Relationship between healthy lifestyle behaviors and health related quality of life in turkish school-going adolescents. Niger J Clin Pract. 2019;22(12):1742-51. , 2424. Gomes AC, Rebelo MA, Queiroz AC, Herkrath AP, Herkrath FJ, Vieira JM, et al. Socioeconomic status, social support, oral health beliefs, psychosocial factors, health behaviours and health-related quality of life in adolescents. Qual Life Res. 2020;29(1):141-151. )The inconsistency between the findings may be related to local regional disparities or even reflect the different methodologies used to measure and classify adolescents in terms of socioeconomic status.

The other characteristics associated with HRQOL refer to behaviors and habits adopted by adolescents, such as physical activity, weight and sleep satisfaction. Accordingly, recent studies carried out in Portugal and Peru demonstrated low adherence to physical activity, insufficient fruit and vegetable consumption and irregular sleep patterns in adolescence, with negative impacts on HRQOL.2525. Sharma B, Chavez RC, Nam EW. Prevalence and correlates of insufficient physical activity in school adolescents in Peru. Rev Saude Publica. 2018;52:51.

The maintenance of unhealthy habits and the preference for sedentary behavior are closely related to overweight/obesity and the occurrence of eating disorders. In Brazil, the relationship between overweight and HRQOL in adolescence was demonstrated by a study carried out in Florianópolis (SC) with 467 adolescents, in which a body mass index above normal was associated with lower HRQOL scores.( 2727. Kunkel N, Oliveira WF, Peres MA. Overweight and health-related quality of life in adolescents of Florianópolis, Southern Brazil. Rev Saude Publica. 2009;43(2):226-35. )Furthermore, in Austria, the occurrence of bulimia and anorexia resulted in a worse global assessment of HRQOL in adolescence.( 77. Zeiler M, Waldherr K, Philipp J, Nitsch M, Dür W, Karwautz A, et al. Prevalence of eating disorder risk and associations with health-related quality of life: results from a large school-based population screening. Eur Eat Disord Rev. 2016;24(1):9-18. )

Sleep habits are also capable of interfering with adolescents’ HRQOL. Irregularity in sleep and rest patterns is related to the adoption of sedentary behaviors and involvement in low-energy activities in adolescence, such as the use of computers, cell phones and electronic games.( 2828. Felden EP, Filipina D, Barbosa DG, Andrade RD, Meyer C, Louzada FM. Factors associated with short sleep duration in adolescentes. Rev Paul Pediatr. 2016;34(1):64-70. )In the present study, sedentary behavior associated with screen time, verified by the exacerbated internet use, was quite common among participants.

Based on what was discussed, it is observed that HRQOL was associated with individual intrinsic and extrinsic characteristics, with emphasis on adolescents’ habits and behaviors. In this sense, healthcare professionals’ work with a focus on promotion, prevention and assistance is urgently needed. The importance of family involvement in this process is highlighted, since social support is considered one of the main predictors of a good QoL.( 99. İlhan N, Peker K, Yildirim G, Baykut G, Bayraktar M, Yildirim H. Relationship between healthy lifestyle behaviors and health related quality of life in turkish school-going adolescents. Niger J Clin Pract. 2019;22(12):1742-51. )

The findings of this study can support professional practice in the context of preventive and health promotion actions. QoL will be achieved through care interventions and health education practices, especially for the most vulnerable groups, with an emphasis on changing behavior and adopting healthy habits. It is worth emphasizing the relevance of the school environment as the locus of health education actions and the importance of the role of healthcare professionals in mediating these educational practices.( 2929. Casemiro JP, Fonseca AB, Secco FV. Promover saúde na escola: reflexões a partir de uma revisão sobre saúde escolar na América Latina. Cien Saude Colet. 2014;19(3):829-40. Review. )

It is added that educational technologies, such as the use of games, dynamics and plays, are useful resources in the process of acquiring and appropriating knowledge, valuing autonomy and encouraging decision-making by adolescents in relation to self-care in health.( 3030. Santos AS, Viana MC, Chaves EM, Bezerra AM, Gonçalves Júnior J, Tamboril AC. Educational technology based on nola pender: promoting adolescent health. J Nurs UFPE On Line. 2018;12(2):582-8. )This fact reinforces the importance of professional updating and the search for intervention options that meet the needs of adolescents in terms of content and form of approach.( 2929. Casemiro JP, Fonseca AB, Secco FV. Promover saúde na escola: reflexões a partir de uma revisão sobre saúde escolar na América Latina. Cien Saude Colet. 2014;19(3):829-40. Review. )

Conclusion

In adolescence, HRQOL is defined by multiple factors that include individual and family characteristics, health habits and behaviors. The predictors of good HRQOL were age, sex, family size, family head, physical activity frequency, weight and sleep satisfaction. The results presented guide the development of educational actions in order to promote health and QoL in this population group, with specific actions for the most vulnerable, emphasizing behavior change and adopting healthy habits.

Acknowledgments

The publication of this work had the support of the Foundation for Research Support and Scientific and Technological Development of Maranhão (FAPEMA - Fundação de Amparo à Pesquisa e ao Desenvolvimento Científico e Tecnológico do Maranhão ).

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Edited by

Associate Editor (Peer review process): Ariane Ferreira Machado Avelar (https://orcid.org/0000-0001-7479-8121) Escola Paulista de Enfermagem, Universidade Federal de São Paulo, SP, Brazil

Publication Dates

  • Publication in this collection
    06 June 2022
  • Date of issue
    2022

History

  • Received
    21 July 2020
  • Accepted
    26 June 2021
Escola Paulista de Enfermagem, Universidade Federal de São Paulo R. Napoleão de Barros, 754, 04024-002 São Paulo - SP/Brasil, Tel./Fax: (55 11) 5576 4430 - São Paulo - SP - Brazil
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