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IJE Advance Access published online on September 6, 2005
International Journal of Epidemiology, doi:10.1093/ije/dyi187
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Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2005; all rights reserved.
Accepted August 10, 2005

Original paper

Work and behavioural problems in children and adolescents

Luís Antônio Benvegnú 1*, Anaclaudia Gastal Fassa 2, Luiz Augusto Facchini 2, David H. Wegman 3, and Marinel Mor Dall'Agnol 4

1 University of Ijui-UNIJUI, RS, Brazil; Department of Social Medicine, Federal University of Pelotas, RS, Brazil
2 Department of Social Medicine, Federal University of Pelotas, RS, Brazil
3 Dean School of Health and Environment, University of Massachusetts Lowell, MA, USA
4 Health Department of Pelotas, RS, Brazil

* To whom correspondence should be addressed.
Luís Antônio Benvegnú, E-mail: labenvegnu{at}brturbo.com.br


  Abstract

Methods We conducted a cross-sectional study of 3139 children and adolescents from poor areas of the city of Pelotas, southern Brazil. We employed the child behaviour checklist for estimating BP. We performed multivariable analysis using Poisson's regression for confounder control.

Results The proportion of workers was 13.8% (7.3% among children and 20.7% among adolescents). Prevalence of BP among workers and prevalence ratios (PRs) were 21.4% (PR = 1.3; CI 0.9-1.9) among children and 9.5% (PR = 0.6; CI 0.4-1.0) among adolescents. Considering workers only, the risk of BP was 2.7 times greater (CI 1.4-5.1) among children when compared with adolescents. Working in domestic services among children and beginning to work at an early age among adolescents were associated with BP.

Conclusions Our results reinforce the need for respecting the minimum age for admission to employment established by the ILO Convention 138 and by the Brazilian legislation and contribute to the discussion about the occupations that should be considered as hazardous child labour.

Keywords: Child labour; behavioural problems; Poisson regression; prevalence.
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