Table 2 Distribution of frequency of heavy episodic drinking among alcohol related injured patients and controls who reported to have drunk alcohol in the preceding year
From: Associations between heavy episodic drinking and alcohol related injuries: a case control study
HED frequency | Among alcohol related injured patients (n = 413) | Among controls (n = 1692) | Test statistics |
|---|---|---|---|
None | 16.5 (68) | 42.7 (722) | Chi-square = 432.2, df = 5, p < .001 |
1-2 times per year | 13.1 (54) | 19.2 (325) | |
3-11 times per year | 15.7 (65) | 26.2 (444) | |
Once a month | 13.1 (54) | 5.3 (90) | |
Several times a month | 15.7 (65) | 3.8 (64) | |
Several times a week | 25.9 (107) | 2.8 (47) |