Table 4 Stratification analyses of frequency and amount of alcohol consumption.
Crude OR (95% CI) | p value | Adjusted OR (95% CI) | p value | |
|---|---|---|---|---|
Frequency of alcohol consumption | ||||
Infrequent (≤ once/month) | ||||
Suicide ideation | 2.05 (1.86–2.27) | < 0.001 | 1.95 (1.70–2.24) | < 0.001 |
Suicide attempt | 2.34 (1.55–3.52) | < 0.001 | 1.74 (1.00–3.05) | 0.052 |
Moderate (2–4 times/month) | ||||
Suicide ideation | 1.97 (1.83–2.12) | < 0.001 | 2.02 (1.83–2.22) | < 0.001 |
Suicide attempt | 2.05 (1.46–2.87) | < 0.001 | 1.81 (1.18–2.78) | 0.006 |
Frequent (≥ 2 times/week) | ||||
Suicide ideation | 1.85 (1.75–1.95) | < 0.001 | 1.88 (1.76–2.01) | < 0.001 |
Suicide attempt | 1.79 (1.45–2.20) | < 0.001 | 1.53 (1.18–1.98) | 0.001 |
Amount of alcohol consumed at a time (drink) | ||||
Light (1–4) | ||||
Suicide ideation | 1.82 (1.70–1.94) | < 0.001 | 1.98 (1.81–2.17) | < 0.001 |
Suicide attempt | 2.03 (1.52–2.70) | < 0.001 | 1.63 (1.10–2.39) | 0.014 |
Moderate (5–6) | ||||
Suicide ideation | 2.02 (1.83–2.23) | < 0.001 | 2.06 (1.81–2.34) | < 0.001 |
Suicide attempt | 2.49 (1.64–3.75) | < 0.001 | 2.11 (1.25–3.56) | 0.005 |
Heavy (≥ 7) | ||||
Suicide ideation | 1.98 (1.79–2.19) | < 0.001 | 1.80 (1.59–2.04) | < 0.001 |
Suicide attempt | 1.70 (1.13–2.55) | 0.011 | 1.02 (0.61–1.72) | 0.93 |
