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