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Appendix A Comparison between the study sample and France (ESPAD survey [28,33] (%)

From: School difficulties in immigrant adolescent students and roles of socioeconomic factors, unhealthy behaviours, and physical and mental health

  Study population (limited to <16 yearsa)(n = 1,524) France <16 years
(n = 8,367)
Boys 49.9 48.9
Family structure
 Intact 63.2 74.7
 Reconstructed 15.0 11.3
 Single parent 16.4 11.7
 Others 5.4 2.3
Obesity 10.6 6.9
Last-30-day substance use (at least once)
 Tobacco 10.7 13.6
 Alcohol 34.7 34.6
 Cannabis 5.1 5.5
Sleep disorders 32.6 29.0
Asthma 17.2 16.3
Depressive symptoms 13.1 9.8
Last-12-month suicidal ideation 11.6 9.1
Lifetime suicide attempts 9.6 7.2
Sexual abuse 3.4 1.9
Victim of violence 53.3 51.5
Implication in violence 59.1 64.7
  1. a 35 subjects were excluded due to age (≥16).