Job control, job demands, social support at work and health among adolescent workers

Q: What relationship does the study assess between adolescent labor and health outcomes?

It evaluates how job demands, job control, and social support relate to body pain, work injuries, sleep duration, and daily working hours.

Q: How were the adolescents selected and what instruments were used?

A total of 354 adolescents in evening classes at a public school in São Paulo completed questionnaires about living and working conditions and health status, using Karasek’s Job Content Questionnaire.

Q: Which work factors showed associations with pain, injuries, and sleep?

Psychological job demands were linked to body pain, higher work-injury risk, and reduced sleep duration on weekdays (Monday to Thursday).

Q: What is the main conclusion regarding evaluating adolescent working conditions?

Psychological factors should be considered alongside physical stressors because they may associate with poor working conditions and negative health effects.

Sep 8, 2026

Upload by eBook King

Objective evaluates physical and psychological dimensions of adolescent labor, including job demands, job control, and social support in the work environment, and examines relations with reported body pain, work injuries, sleep duration, and daily working hours. Methods used questionnaires completed by 354 adolescents in evening classes in São Paulo, Brazil, with health status assessed alongside living and working conditions. Karasek’s Job Content Questionnaire guided work-environment measures, and multiple logistic regression tested variable associations. Results link psychological demands to pain, injury risk, and shorter weekday sleep; low decision authority and higher job security relate to longer workdays. Conclusions emphasize incorporating psychological factors when studying adolescent working conditions due to negative health effects.

LanguageEnglish

CategoryHealthcare

FormatPDF

Pages9

Reading Time23 min

AccessFree to download

Objective

Methods

Results

Conclusions

Introduction

􀀁􀀂􀀃 􀀅􀀆􀀇􀀈􀀂 􀀉􀀇􀀊􀀋􀀌􀀍􀀆 􀀎􀀏􀀏􀀐􀀑􀀒􀀓􀀔􀀎􀀕􀀖􀀎􀀗􀀐􀀘􀀐􀀒􀀙􀀙􀀙􀀚􀀛􀀜􀀝􀀚􀀞􀀜􀀝􀀚􀀊 􀀜􀀝 Job control, job demands, social support at work and health among adolescent workers Controle, exigências, apoio social no trabalho eefeitos na saúde de trabalhadores adolescentes 􀀁􀀂􀀃 Frida M Fischera, Denize C Oliveirab, Roberta Nagaia, Liliane R Teixeiraa, Márcio Lombardi Júniora, Maria do Rosario D O Latorrec and Sharon P Cooperd a Departamento de Saúde Ambiental. Faculdade de Saúde Pública da Universidade de São Paulo (USP). São Paulo, SP, Brasil. b Departamento de Enfermagem. Universidade Estadual do Rio de Janeiro. Rio de Janeiro, RJ, Brasil. c Departamento de Epidemiologia. Faculdade de Saúde Pública. USP. São Paulo, SP, Brasil. dTexas A&M School of Rural Public Health. Bryan, Texas, USA | Keywords | Abstract | | --- | --- | | Adolescent. Child labor. Stress. Stress, | | | psychological. Accidents, occupational. | Objective | | Sleep, physiology. Adolescent health. Working conditions. Work hours. | To evaluate physical and psychological dimensions of adolescent labor (such as job demands, job control, and social support in the work environment), and their relation | | Occupational health. | to reported body pain, work injuries, sleep duration and daily working hours.
Methods
A total of 354 adolescents attending evening classes at a public school in São Paulo, Brazil, answered questionnaires regarding their living and working conditions (Karasek’s Job Content Questionnaire, 1998), and their health status. Data collection took place in April and May 2001. Multiple logistic regression analysis was used to determine relations among variables.
Results
Psychological job demands were related to body pain (OR=3.3), higher risk of work injuries (OR=3.0) and reduced sleep duration in weekdays (Monday to Thursday)(p<0.01). Lower decision authority in the workplace (p=0.03) and higher job security (p=0.02) were related to longer daily working hours.
Conclusions
It was concluded that besides physical stressors, psychological factors are tobe taken into account when studying adolescent working conditions, as they maybe associated with negative job conditions and health effects. | | Descritores | Resumo | | Trabalho de menores. Estresse. | | | Estresse psicológico. Acidentes de | Objetivo | | trabalho. Sono, fisiologia. Adolescente. Saúde do adolescente. Condições de | Avaliar as dimensõesfísicas e psicológicas do trabalho de adolescentes (demandade trabalho, controle no trabalho e apoio social e ambiental), relacionando-os a relatos | | trabalho. Jornada de trabalho. Saúde | de: dores no corpo, acidentes de trabalho, duração de sono e duração diária da | | ocupacional. | jornada de trabalho.
Métodos
Participaram do estudo 354 estudantes do período noturno de escola pública no Município de São Paulo, entre abril e maio de 2001. Esses, responderam a questionário sobre condições de vida, trabalho (escalas Karasek de controle notrabalho) e estado de saúde. Foram feitas análises de regressão logística múltipla afim de determinar a relação entre variáveis. | Correspondence to: Frida M Fischer Av. Dr Arnaldo, 715 01246-904 São Paulo, SP, Brasil E-mail: [fmfische@usp.br](fmfische@usp.br) Financial support by Fundação de Amparo à Pesquisa do Estado de São Paulo (Fapesp-Grant n. 00/11341-2); Conselho Nacional de Desenvolvimento Cientifico e Tecnológico (CNPq-Grant n. 52.1981/96-4); and University of Texas at Houston, USA. Received on 2/4/2004. Reviewed on 31/8/2004. Approved on 22/9/2004. 􀀁􀀂􀀄 Job control of adolescent workers Fischer FM etal 􀀁􀀂􀀃 􀀅􀀆􀀇􀀈􀀂 􀀉􀀇􀀊􀀋􀀌􀀍􀀆 􀀎􀀏􀀏􀀐􀀑􀀒􀀓􀀔􀀎􀀕􀀖􀀎􀀗􀀐􀀘􀀐􀀒􀀙􀀙􀀙􀀚􀀛􀀜􀀝􀀚􀀞􀀜􀀝􀀚􀀊 􀀜􀀝 Resultados As exigências psicológicas mostraram-se associadas aos relatos de dores no corpo (OR=3,3), maiores riscos de ocorrênciade acidentes de trabalho (OR=3,0) ereduçãoda duração do sono durante os dias de semana (segunda a quinta-feira) (p<0,01). Baixa autoridade de decisão (p=0,03) e maior segurança no emprego (p=0,02) estãorelacionadas à ma

FAQs

What relationship does the study assess between adolescent labor and health outcomes?

It evaluates how job demands, job control, and social support relate to body pain, work injuries, sleep duration, and daily working hours.

How were the adolescents selected and what instruments were used?

A total of 354 adolescents in evening classes at a public school in São Paulo completed questionnaires about living and working conditions and health status, using Karasek’s Job Content Questionnaire.

Which work factors showed associations with pain, injuries, and sleep?

Psychological job demands were linked to body pain, higher work-injury risk, and reduced sleep duration on weekdays (Monday to Thursday).

What is the main conclusion regarding evaluating adolescent working conditions?

Psychological factors should be considered alongside physical stressors because they may associate with poor working conditions and negative health effects.

Sep 8, 2026

Upload by eBook King