Table 4.
Adjusted a odds ratios (single and joint effects using a common reference group) and measures of additive interactions (RERI) between sex and drinking habits of severe harm (harmed ‘a lot’) from known people's and strangers' drinking
| Harmed ‘a lot’ from known people's drinking | Harmed ‘a lot’ from strangers' drinking | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Joint effect | Joint effect | |||||||||||
| Single effect | Men | Women | Additive interaction | Single effect | Men | Women | Additive interaction | |||||
| OR (95% CI) | OR (95% CI) | OR (95% CI) | Wald test b | RERI (95% CI) | AP | OR (95% CI) | OR (95% CI) | OR (95% CI) | Wald test b | RERI (95% CI) | AP | |
| Sex c | ||||||||||||
| Men | 1.00 | N/A | N/A | N/A | N/A | N/A | 1.00 | N/A | N/A | N/A | N/A | N/A |
| Women | 2.82*** (2.26, 3.52) | N/A | N/A | N/A | N/A | N/A | 1.51** (1.11, 2.06) | N/A | N/A | N/A | N/A | N/A |
| Drinking frequency c | ||||||||||||
| Non‐drinkers | 1.00 | 1.00 | 1.29 (0.65, 2.54) | N/A | N/A | N/A | 1.00 | 1.00 | 1.11 (0.53, 2.33) | N/A | N/A | N/A |
| Up to 3 times/month | 1.47* (1.03, 2.09) | 0.79 (0.41, 1.50) | 2.55** (1.42, 4.57) | P < 0.001 | 1.47** (0.74, 2.21) | 0.58 | 0.65* (0.42, 1.00) | 0.47* (0.23, 0.99) | 0.87 (0.45, 1.69) | P < 0.05 | 0.28 (−0.43, 0.99) | 0.33 |
| 1 time a week or more | 1.21 (0.84, 1.75) | 0.83 (0.44, 1.56) | 2.39** (1.31, 4.34) | P < 0.001 | 1.27** (0.54, 1.99) | 0.53 | 0.47** (0.30, 0.75) | 0.46* (0.22, 0.95) | 0.57 (0.28, 1.16) | P = 0.140 | −0.01 (−0.82, 0.80) | −0.01 |
| Frequency of binge drinking c | ||||||||||||
| Non‐binge drinkers | 1.00 | 1.00 | 2.35*** (1.48, 3.72) | N/A | N/A | N/A | 1.00 | 1.00 | 1.06 (0.61, 1.84) | N/A | N/A | N/A |
| Up to 3 times/month | 1.04 (0.83, 1.30) |
0.92 (0.56, 1.53) |
3.19*** (2.02, 5.02) | P < 0.001 | 0.92** (0.21, 1.63) | 0.29 | 0.76 (0.54, 1.08) | 0.61 (0.34, 1.11) | 1.00 (0.57, 1.73) | P = 0.057 | 0.32 (−0.24, 0.88) | 0.32 |
| 1 time or more a week | 1.25 (0.93, 1.68) | 1.53 (0.88, 2.67) | 4.28*** (2.51, 7.28) | P < 0.001 | 1.40 (−0.16, 2.95) | 0.33 | 0.89 (0.56, 1.41) | 0.66 (0.32, 1.36) | 1.52 (0.76, 3.05) | P = 0.140 | 0.80 (−0.12, 1.72) | 0.53 |
| Alcohol dependence c | ||||||||||||
| No | 1.00 | 1.00 | 3.05*** (2.39, 3.90) | N/A | N/A | N/A | 1.00 | 1.00 | 1.57** (1.12, 2.21) | N/A | N/A | N/A |
| Yes | 3.23*** (2.39, 4.36) | 3.99*** (2.44, 6.50) | 11.41*** (7.40, 17.61) | P < 0.001 | 5.37* (0.70, 10.05) | 0.47 | 2.86*** (1.84, 4.44) | 3.03** (1.60, 5.75) | 4.68*** (2.48, 8.83) | P < 0.001 | 1.08 (−2.07, 4.23) | 0.23 |
*P < 0.05, ** P < 0.01, *** P < 0.001.
a
Adjusted for age groups, level of education, partner status and living in an urban area.
b
Non‐weighted.
c
Separate models.
AP, attributable proportion; CI, confidence interval; N/A, not applicable; OR, odds ratio; RERI, relative excess risk due to interaction.