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Table 5 Demographic characteristics of at risk group (i.e., those reporting one or more behaviours on the basic risk + sleep + smoking index) in the 2013–2014 Australian Child and Adolescent Survey of Mental Health and Wellbeing (n = 2314)

From: Lifestyle risk indices in adolescence and their relationships to adolescent disease burden: findings from an Australian national survey

  % (SE) Unadjusted OR (95% CI) Adjusted OR (95% CI)
Sex
 Male 30.4 (1.5) 1.17 (0.98–1.40) 0.87 (0.72–1.06)
 Female 33.9 (1.5) [ref] [ref]
Age
 13 16.7 (2.4) [ref] [ref]
 14 22.4 (2.4) 1.43 (0.93–2.21) 1.42 (0.92–2.19)
 15 26.5 (2.6) 1.79 (1.126–2.78)b 1.75 (1.13–2.71)a
 16 43.1 (1.9) 3.78 (2.62–5.45)c 3.55 (2.46–5.14)c
 17 51.0 (2.1) 65.20 (3.60–7.50)c 4.05 (2.77–5.92)c
Area
 City 31.2 (1.4) [ref] [ref]
 Rural 33.6 (1.9) 1.12 (0.91–1.37) 1.14 (0.92–1.42)
Country of birth
 Australia 32.3 (1.2) 1.06 (0.81–1.39) 1.05 (0.79–1.40)
 Overseas 31.0 (2.7) [ref] [ref]
Education
 Not attending school 66.5 (3.3) 4.74 (3.51–6.41)c 2.67 (1.98–3.62)c
 Attending school 29.5 (1.1) [ref] [ref]
Total 31.9% (1.1)
  1. ap < 0.05; b p < 0.01; c p < 0.001
  2. NB: Risky alcohol use defined as 4 or more standard drinks in past 30 days; illicit drug use risk defined as any drug use in past 30 days; unprotected sex risk defined as no protection against pregnancy of sexually transmitted diseases the last time the respondent had sexual intercourse; BMI (body mass index) risk defined as less than 18.5 or greater than 30; sleep risk defined as less than 7 hours per day or more than 11 hours per day on average; smoking risk defined as cigarette smoking in the past 30 days