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Table 4 Australian adults 16–85 years: Prevalence of anxiety and affective disorders with and without comorbid substance disorders and smoking rates, by age group and sex

From: Smoking and mental illness: results from population surveys in Australia and the United States

Mental disorder* Proportion with mental disorder
(%)
95% CI Smoking rate
(%)
95% CI
Males aged 18–34 years
Anxiety with substance use 3.0 1.8 – 4.1 63.4 40.4 – 86.3
Anxiety without substance use 7.5 5.5 – 9.5 33.5 20.6 – 46.5
Affective with substance use 2.2 0.9 – 3.6 72.6 44.5 – 100.0
Affective without substance use 3.5 2.2 – 4.8 46.2 23.9 – 68.5
No 12-month disorder 77.2 73.7 – 80.7 26.5 22.1 – 30.9
Males aged 35–54 years
Anxiety with substance use 2.7 1.5 – 3.9 79.9 65.7 – 94.1
Anxiety without substance use 11.8 9.0 – 14.5 25.3 15.9 – 34.8
Affective with substance use 1.8 0.8 – 2.8 86.2 72.5 – 100.0
Affective without substance use 5.6 3.8 – 7.5 38.5 22.5 – 54.6
No 12-month disorder 80.2 76.6 – 83.8 24.4 19.8 – 28.9
Males aged 55 years and over
Anxiety with substance use 0.4 0.0 – 0.7 7.8 0.0 – 26.1
Anxiety without substance use 6.3 4.9 – 7.7 22.6 13.9 – 31.2
Affective with substance use 0.1 0.0 – 0.2 95.0 60.0 – 100.0
Affective without substance use 2.0 1.1 – 3.0 25.4 8.0 – 42.9
No 12-month disorder 91.2 89.6 – 92.8 14.7 12.3 – 17.1
Females aged 18–34 years
Anxiety with substance use 2.3 1.4 – 3.2 56.6 39.6 – 73.6
Anxiety without substance use 19.1 17.0 – 21.2 31.4 25.4 – 37.4
Affective with substance use 1.6 0.9 – 2.4 62.4 34.2 – 90.6
Affective without substance use 6.9 5.5 – 8.4 36.4 25.8 – 46.9
No 12-month disorder 71.6 68.9 – 74.3 15.6 13.0 – 18.3
Females aged 35–54 years
Anxiety with substance use 1.4 0.7 – 2.2 54.0 21.2 – 86.8
Anxiety without substance use 19.8 17.0 – 22.6 36.1 27.0 – 45.3
Affective with substance use 0.6 0.3 – 0.9 75.2 50.9 – 99.6
Affective without substance use 7.5 5.3 – 9.6 45.5 30.9 – 60.1
No 12-month disorder 74.9 71.8 – 78.1 20.1 16.3 – 24.0
Females aged 55 years and over
Anxiety with substance use 0.1 0.0 – 0.2 55.5 20.0 – 85.0
Anxiety without substance use 9.8 8.4 – 11.1 14.8 7.9 – 21.7
Affective with substance use 0.0 0.0 – 0.4 50.0 10.0 – 90.0
Affective without substance use 4.5 3.5 – 5.6 13.3 3.6 – 23.0
No 12-month disorder 87.8 86.3 – 89.3 10.5 8.6 – 12.3
  1. * Note: As a person may have had more than one disorder in the 12 months prior to the survey, the components will not add to the totals shown.
  2. Source: 2007 Australian Survey of Mental Health and Wellbeing [43].