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Working conditions and illicit psychoactive substance use among truck drivers in Brazil
  1. Edmarlon Girotto1,
  2. Selma Maffei de Andrade2,
  3. Arthur Eumann Mesas2,
  4. Alberto Durán González2,
  5. Camilo Molino Guidoni1
  1. 1Department of Pharmaceutical Sciences, Health Sciences Center, Universidade Estadual de Londrina (UEL), Londrina, Paraná, Brazil
  2. 2Department of Public Health, Postgraduate Program in Public Health, Universidade Estadual de Londrina (UEL), Londrina, Paraná, Brazil
  1. Correspondence to Professor Edmarlon Girotto, Department of Pharmaceutical Sciences, Health Sciences Center, Universidade Estadual de Londrina (UEL), Avenida Robert Koch, n 60—CEP—Vila Operária, Londrina, Paraná 86.038-440, Brazil; eddieuel{at}


Background The aim of this study was to identify the role that working conditions play in predicting the consumption of illicit psychoactive substances (IPS) among truck drivers.

Methods This cross-sectional study was conducted with truck drivers who transport grains to Paranaguá Port, PR, Brazil. The truck drivers were interviewed, and they completed a self-administered questionnaire regarding their sociodemographics, lifestyles, working conditions, and consumption of IPS over the past 30 days. The statistical analysis included logistic regression models progressively adjusted for sociodemographic and lifestyle variables.

Results A total of 670 male drivers with a mean age of 41.9 (±11.1) years were assessed. The prevalence of IPS consumption over the past 30 days was 10.9% (n=73). The drugs used primarily consisted of amphetamines (n=61). After adjusting for working characteristics, sociodemographic and lifestyle variables, the following working conditions were associated with the consumption of IPS: driving mostly at night (OR=3.91; 95% CI 1.75 to 8.74), driving while tired (OR=2.26; 95% CI 1.31 to 3.89), and earning a higher monthly income (OR=2.08; 95% CI 1.16 to 3.72). Drivers who were 39 years old or younger (OR=2.11; 95% CI 1.05 to 4.25) and not living with a partner (OR=2.22; 95% CI 1.17 to 4.22) were also more likely to consume IPS.

Conclusions Driving mostly at night, being tired, and earning more increase the use of IPS among truck drivers, regardless of other working characteristics, sociodemographic, and lifestyle variables.

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