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Table 1 Association of lifetime and twelve-month prevalence of heavy-drinking with socio-demographic variables

From: Lifetime and twelve-month prevalence of heavy-drinking in Singapore: Results from a representative cross-sectional study

   Study pop (n) Lifetime heavy drinking Twelve-month heavy drinking
% 95% CI Crude OR (95% CI)1 Adjusted OR (95% CI)2 % 95% CI Crude OR (95% CI)1 Adjusted OR (95% CI)2
Total   6616 15.9 14.7–17.1    12.6 11.5–13.7   
Gender Men 3299 23.5 21.5–25.6 1.0 1.0 18.3 16.4–20.1 1.0 1.0
Women 3317 8.7 7.4–10.0 0.31 (0.25–0.38) 0.32 (0.25–0.40) 7.4 6.2–8.6 0.36 (0.29–0.44) 0.37 (0.29–0.48)
Age group (Years) 18–34 2293 27.0 24.4–29.6 1.0 1.0 23.1 20.7–25.6 1.0 1.0
35–49 2369 13.1 11.1–15.0 0.41 (0.33–0.50) 0.33 (0.24–0.44) 10.3 8.6–12.1 0.38 (0.30–0.48) 0.36 (0.26–0.50)
50–64 1542 9.4 7.3–11.5 0.28 (0.21–0.37) 0.25 (0.17–0.36) 6.1 4.4–7.8 0.22 (0.16–0.30) 0.24 (0.16–0.36)
65 and above 412 6.5 3.0–9.9 0.19 (0.10–0.34) 0.20 (0.09–0.42) 3.5 0.90–6.1 0.12 (0.06–0.27) 0.19 (0.07–0.50)
Ethnicity Chinese 2006 16.0 14.5–17.6 1.0 1.0 12.7 11.4–14.1 1.0 1.0
Malay 2373 6.3 5.3–7.2 0.45 (0.37–0.54) 0.27 (0.22–0.34) 3.9 3.1–4.6 0.28 (0.22–0.35) 0.21 (0.16–0.28)
Indians 1969 15.4 13.8–17.0 0.90 (0.58–1.40) 0.78 (0.64–0.94) 12.5 11.1–14.0 0.98 (0.82–1.18) 0.83 (0.67–1.02)
Others 268 61.3 55.1–67.4 8.28 (6.24–11.00) 7.29 (5.00–10.67) 54.7 48.4–61.1 8.27 (6.22–11.00) 7.20 (4.93–10.51)
Marital status Single 1825 24.1 21.4–26.7 1.0 1.0 21.4 18.8–23.9 1.0 1.0
Married 4290 12.4 11.0–13.8 0.45 (0.37–0.54) 0.81 (0.62–1.06) 9.0 7.6–10.2 0.36 (0.29–0.45) 0.63 (0.47–0.84)
Divorced/Separated 262 22.2 15.1–29.4 0.90 (0.58–1.40) 1.88 (1.12–3.16) 17.7 11.3–24.1 0.79 (0.50–1.26) 1.62 (0.93–2.83)
Widowed 237 5.5 0.3–10.7 0.18 (0.07–0.51) 0.97 (0.29–3.23) 2.4 −1.0–5.7 0.09 (0.02–0.38) 0.81 (0.18–3.72)
Annual income Less than S$20 000 3392 12.8 11.1–14.4 1.0 1.0 9.9 8.4–11.3 1.0 1.0
  S$20000–S$49999 1924 18.3 15.9–20.7 1.53 (1.22–1.91) 1.16 (0.87–1.55) 14.6 12.3–16.8 1.56 (1.22–1.99) 1.10 (0.80–1.52)
  S$50000 and above 962 23.8 20.3–27.3 2.14 (1.67–2.73) 1.75 (1.19–2.58) 19.5 16.3–22.7 2.21 (1.70–2.87) 1.67 (1.08–2.57)
Education level Completed primary school or lower 1236 7.1 4.9–9.3 1.0 1.0 3.9 2.3–5.6 1.0 1.0
Secondary School 1975 13.2 10.9–15.4 1.98 (1.34–2.91) 1.33 (0.86–2.06) 10.0 8.0–12.0 2.70 (1.65–4.43) 1.88 (1.07–3.33)
Pre-University/Junior College/Diploma/Vocational certificates 2063 20.4 17.9–22.9 3.35 (2.32–4.84) 1.13 (0.71–1.79) 17.0 14.7–19.3 5.00 (3.12–8.00) 1.66 (0.93–2.97)
University 1342 21.2 18.3–24.0 3.51 (2.41–5.11) 0.89 (0.54–1.48) 18.0 15.3–20.6 5.34 (3.32–8.60) 1.35 (0.73–2.52)
Employment Employed 4594 18.3 16.7–19.8 1.0 1.0 14.8 13.4–16.2 1.0 1.0
Economically inactive@ 1522 8.3 6.3–10.3 0.40 (0.30–0.54) 0.72 (0.48–1.06) 6.5 4.7–8.2 0.40 (0.29–0.55) 0.68 (0.44–1.06)
Unemployed 313 20.1 13.4–26.8 1.13 (0.73–1.73) 1.37 (0.82–2.28) 13.6 8.1–19.0 0.90 (0.56–1.46) 1.00 (0.57–1.75)
  1. @: includes homemakers, students and pensioners.
  2. OR = Odds Ratios 95% CI = 95% Confidence Intervals. Estimates in bold are statistically significant.
  3. 1Weighted unadjusted bivariate analyses.
  4. 2Weighted adjusted multivariate analyses; adjusted for all other variables in the table.