Osteomuscular disorders and associated factors among solid waste collectors of two middle-sized cities from the South of Brazil

Cardoso, Rodrigo Kohn; Rombaldi, Airton José; Silva, Marcelo Cozzensa da

doi:10.5935/1806-0013.20140004

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• Rev. dor 15 (1) • Jan-Mar 2014 • https://doi.org/10.5935/1806-0013.20140004 copy

Osteomuscular disorders and associated factors among solid waste collectors of two middle-sized cities from the South of Brazil^* * Received from Federal Univeristy of Pelotas, Pelotas, RS, Brazil.

Authorship SCIMAGO INSTITUTIONS RANKINGS

BACKGROUND AND OBJECTIVES:

Solid waste collectors are constantly exposed to high physical demands and precarious ergonomic conditions at work. This study aimed to identify the prevalence of osteomuscular disorders and associated factors among solid waste collectors of two middle-sized cities from Southern Brazil.

METHODS:

This was an observational cross-sectional census study. Population was made up of all solid waste collectors of the cities of Pelotas and Rio Grande, RS. Data were collected through a questionnaire with sociodemographic, economic, nutritional and behavioral variables. Prevalence of osteomuscular disorders was evaluated with the Nordic Questionnaire for Osteomuscular Symptoms.

RESULTS:

All 127 solid waste collectors were interviewed. Prevalence of osteomuscular disorders in the last 12 months was 88.2%. Among affected workers, 94.5% reported no pain before starting collecting solid waste. Most affected body regions were legs, knees and lumbar spine, respectively. After multivariate analysis, only body mass index remained associated to osteomuscular disorders.

CONCLUSION:

The prevalence of osteomuscular symptoms among solid waste collectors in Southern of Brazil is high. Adequate prevention strategies are needed.

Cumulative traumatic disorders; Occupational diseases; Occupational health; Solid waste collection; Workers

Variables		Prevalence n (%)
Age (years)
	18-21	26 (20.5)
	22-25	39 (30.7)
	26-29	29 (22.8)
	30 or above	33 (26.0)
Skin color
	Caucasian	54 (42.5)
	Non Caucasian	73 (57.5)
Education
	Incomplete elementary	87 (68.5)
	Complete elementary	23 (18.1)
	High school	15 (11.8)
	Incomplete university	2 (1.6)
Economic class
	B	11 (8.7)
	C	96 (75.6)
	A	20 (15.7)
Marital situation
	Married/with companion	89 (70.1)
	Single/without companion	38 (29.9)
Smoking
	Never smoked	66 (52.0)
	Former smoker	18 (14.0)
	Smoker	43 (34.0)
Indicative for alcoholism (CAGE)
	Negative	107 (84.9)
	Positive	19 (15.1)
Body mass index (kg/m2)
	Normal	103 (81.7)
	Overweight/obesity	24 (18.3)
Working time (months)
	Less than 1	22 (17.3)
	1-12	49 (38.6)
	13-60	38 (29.9)
	More than 60	18 (14.2)

Variables		Gross analysis		Adjusted analysis
Variables		Muscle disorders (%)	p value	PR (CI 95%)	p value
Skin color			0.44^* * Chi-square test;		0.46
	Caucasian	90.7		1.0
	Non Caucasian	86.3		0.9 (0.8 -1.1)
Age (years)			0.05^ Fisher Exact test.		0.60
	Up to 21	88.5		1.0
	22-25	87.2		1.0 (0.8 - 1.2)
	26-29	100.0		1.1 (1.0 - 1.3)
	30 above	78.8		0.9 (0.8 - 1.1)
Marital status			0.76^ Fisher Exact test.		0.80
	With companion	88.8		1.0
	Without companion	86.8		0.8 (0.8 - 1.1)
Education (years)			0.34^ Fisher Exact test.		0.50
	Up to 4	80.7		1.0
	5-8	91.1		1.1 (0.9 -1.3)
	9 or more	88.2		1.1 (0.8 - 1.4)
Economic class			0.20^ Fisher Exact test.		0.20
	B	100.0		1.0
	C	88.8		1.0 (0.8 - 1.2)
	D	83.3		1.2 (1.0 - 1.3)
Smoking			0.26^ Fisher Exact test.		0.20
	Non smoker	85.7		1.0
	Smoker	93.0		1.1 (1.0 - 1.2)
Alcohol ingestion			0.13^* * Chi-square test;		0.20
	Yes	91.8		1.0
	No	83.0		1.1 (1.0 - 1.3)
Body mass index			0.05^ Fisher Exact test.		0.05
	Normal weight	85.4		1.0
	Overweight/obese	95.8		1.1 (1.1 - 1.2)
Work shift			0.41^ Fisher Exact test.		0.23
	Day	85.3		1.0
	Evening	91.1		1.1 (0.9 - 1.2)
Working time (months)			0.60^ Fisher Exact test.		0.28
	Less than 1	90.9		1.0
	1-12	87.8		0.9 (0.8 - 1.1)
	13-24	94.7		1.1 (0.9 - 1.3)
	25-48	100.0		1.1 (0.9 - 1.3)
	49 or more	75.0		0.8 (0.6 - 1.1)

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[1] Correspondence to: Marcelo Cozzensa da Silva, Rua Luis de Camões, 625, 96055-630 Pelotas, RS, Brasil. E-mail: cozzensa@terra.com.br

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Osteomuscular disorders and associated factors among solid waste collectors of two middle-sized cities from the South of Brazil* * Received from Federal Univeristy of Pelotas, Pelotas, RS, Brazil.

BACKGROUND AND OBJECTIVES:

METHODS:

RESULTS:

CONCLUSION:

Osteomuscular disorders and associated factors among solid waste collectors of two middle-sized cities from the South of Brazil^* * Received from Federal Univeristy of Pelotas, Pelotas, RS, Brazil.