Validation and reliability of the scale Self-efficacy and their child's level of asthma control

Gomes, Ana Lúcia Araújo; Joventino, Emanuella Silva; Lima, Kamila Ferreira; Dodt, Regina Cláudia Melo; Almeida, Paulo César de; Ximenes, Lorena Barbosa

doi:10.1590/0034-7167-2016-0528

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Revista Brasileira de Enfermagem

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RESEARCH • Rev. Bras. Enferm. 71 (2) • Mar-Apr 2018 • https://doi.org/10.1590/0034-7167-2016-0528 copy

Validation and reliability of the scale Self-efficacy and their child's level of asthma control

Validación y confiabilidad de la Self-efficacy and their child's level of asthma control

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Objective:

To evaluate the psychometric properties in terms of validity and reliability of the scale Self-efficacy and their child's level of asthma control: Brazilian version.

Method:

Methodological study in which 216 parents/guardians of children with asthma participated. A construct validation (factor analysis and test of hypothesis by comparison of contrasted groups) and an analysis of reliability in terms of homogeneity (Cronbach's alpha) and stability (test-retest) were carried out.

Results:

Exploratory factor analysis proved suitable for the Brazilian version of the scale (Kaiser-Meyer-Olkim index of 0.879 and Bartlett's sphericity with p < 0.001). The correlation matrix in factor analysis suggested the removal of item 7 from the scale. Cronbach's alpha of the final scale, with 16 items, was 0.92.

Conclusion:

The Brazilian version of Self-efficacy and their child's level of asthma control presented psychometric properties that confirmed its validity and reliability.

Descriptors:
Asthma; Child; Self-Efficacy; Health Promotion; Psychometry

Items	Components
Items	Factor 1 Expected efficacy	Factor 2 Expected results
1	.541
2	.605
3	.689
4	.735
5	.672
6	.539
7	.114
8	.627
9		.651
10		.659
11		.664
12		.620
13		.426
14		.654
15		.640
16		.647
17		.629

Items	Item-total correlation	Cronbach's alpha if an item is removed
1	.521	.863
2	.668	.858
3	.748	.855
4	.776	.852
5	.547	.862
6	.275	.880
7	-.344	.927
8	.654	.858
9	.830	.854
10	.815	.855
11	.789	.855
12	.759	.856
13	.302	.872
14	.735	.856
15	.760	.856
16	.752	.856
17	.767	.856

Final version of the scale Self-efficacy and their child's level of asthma control: Brazilian version
1. Eu me sinto confiante de que posso reconhecer os fatores que provocam asma na criança (I feel confident that I can recognize my child's asthma triggers)
2. Eu me sinto confiante de que vou saber reconhecer quando a criança precisa usar medicação (I feel confident that I will know when my child needs his/her medications)
3. Eu me sinto confiante de que eu sei cuidar da asma em casa e sei quando devo ir ao serviço de saúde (I feel confident that I know when to manage my child's asthma myself and when I should go to the physician)
4. Eu me sinto confiante que eu entendo as orientações dos profissionais de saúde em relação ao tratamento da asma da criança (I feel confident that I understand the directions from the physician regarding the treatment of my child's asthma)
5. Eu me sinto confiante de que posso ajudar a criança a usar o inalador corretamente (Exemplo: usar a bombinha) (I feel confident that I can help my child use an inhaler correctly)
6. Eu me sinto confiante de que posso ajudar a criança a usar o espaçador corretamente (I feel confident that I can help my child use an spacer correctly)
7. Eu acredito que cuidar da asma da criança vai resultar em menos consultas médicas (I believe that managing my child's asthma will result in less physician visits)
8. Eu acredito que cuidar da asma da criança vai resultar em menos visitas aos serviços de emergência (I believe that managing my child's asthma will result in less emergency department visits)
9. Eu acredito que cuidar da asma da criança irá resultar em menos internamentos (I believe that managing my child's asthma will result in less hospital stays)
10. Eu acredito que cuidar da asma da criança poderá me custar menos dinheiro no futuro (I believe that managing my child's asthma may cost me less money later)
11. Eu acredito que cuidar da asma da criança resultará em menos dias de faltas na escola (I believe that managing my child's asthma will result in less school day missed)
12. Eu acredito que cuidar da asma do meu filho resultará em melhores notas escolares para ele (I believe that managing my child's asthma will result in my child getting better grades)
13. Se a asma da criança é controlada, ela será capaz de participar das atividades escolares (If your child's asthma is controlled, your child will be able to participate in school activities)
14. Se a asma da criança é controlada, ela se sentirá melhor (If your child's asthma is controlled, your child will feel better)
15. Se a asma da criança é controlada, ela dormirá melhor (If your child's asthma is controlled, your child will sleep better)
16. Se a asma da criança é controlada, ela terá uma melhor qualidade de vida (If your child's asthma is controlled, your child will have a better quality of life)

Associação Brasileira de Enfermagem SGA Norte Quadra 603 Conj. "B" - Av. L2 Norte 70830-102 Brasília, DF, Brasil, Tel.: (55 61) 3226-0653, Fax: (55 61) 3225-4473 - Brasília - DF - Brazil
E-mail: reben@abennacional.org.br

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[1] CORRESPONDING AUTHOR: Kamila Ferreira Lima. E-mail: limakamila@yahoo.com.br