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Table 6 Association between baseline smoking habits and baseline self-reported health, mental distress and externalized symptoms among participants in 2004 and all invitees

From: Response rates and selection problems, with emphasis on mental health variables and DNA sampling, in large population-based, cross-sectional and longitudinal studies of adolescents in Norway

  Participants 2004 All invitees
Gender/ethnicity1 Smoking 2001     Smoking 2001    
Health variables collected yes no Prevalence ratio yes no Prevalence ratio
in 2001 n % n % PR 95% CI n % n % PR 95% CI
Norway/western               
Boys               
Bad/not so good self-reported health 37 13.2 51 5.5 2.4 1.6 3.5 111 16.4 113 6.7 2.4 1.9 3.1
Mental distress - HSCL above cut off 30 10.6 48 5.2 2.1 1.3 3.2 100 14.8 107 6.3 2.3 1.8 3.0
Externalized symptoms 52 18.4 65 7.0 2.6 1.9 3.7 169 24.8 154 9.1 2.7 2.2 3.3
Girls               
Bad/not so good self-reported health 100 19.9 108 10.2 2.0 1.5 2.5 178 21.0 163 11.0 1.9 1.6 2.3
Mental distress - HSCL above cut off 167 33.1 193 17.9 1.9 1.6 2.2 287 33.6 278 18.6 1.8 1.6 2.1
Externalized symptoms 84 16.6 44 4.1 4.1 2.9 5.8 180 21.1 76 5.1 4.2 3.2 5.4
Non western               
Boys               
Bad/not so good self-reported health 5 14.7 12 7.4 2.0 0.8 5.3 20 19.8 28 8.2 2.4 1.4 4.1
Mental distress - HSCL above cut off 8 24.2 16 9.9 2.5 1.1 5.3 15 15.3 34 10.1 1.5 0.9 2.7
Externalized symptoms 6 17.6 18 11.1 1.6 0.7 3.7 26 26.3 36 10.8 2.4 1.5 3.8
Girls               
Bad/not so good self-reported health 11 26.2 35 16.0 1.6 0.9 3.0 20 28.2 56 15.6 1.8 1.2 2.8
Mental distress - HSCL above cut off 17 39.5 70 32.0 1.2 0.8 1.9 33 45.8 96 27.3 1.7 1.2 2.3
Externalized symptoms 13 30.2 14 6.3 4.8 2.4 9.4 23 31.9 21 5.9 5.4 3.2 9.3
  1. Percentage with health symptoms and prevalence ratios (PRs) among smokers and non-smokers.
  2. 1 Based on self-reported native country of mother and father.