Table 4.
Pooled prevalence estimates of current and life‐time alcohol dependence among adults living in China for seven outcomes (those with data from 10 studies or more from 1987 to 2013) estimated using DerSimonian–Laird random‐effect models and stratified by the quality of the included studies.a
| Outcome | Subgroup | Quality category | No. of studies | Pooled estimate (%) | 95% CI (%) | I2 (%) |
|---|---|---|---|---|---|---|
| Current alcohol dependence | Total | Low | 2 | 0.5 | 0.2, 0.8 | 92.4 |
| Intermediate | 12 | 1.5 | 1.1, 2.0 | 99.4 | ||
| High | 3 | 2.2 | 1.6, 3.7 | 82.6 | ||
| Current alcohol dependence | Male | Low | 1 | 1.1 | 0.9, 1.3 | – |
| Intermediate | 6 | 3.9 | 2.2, 5.7 | 99.6 | ||
| High | 4 | 5.7 | 3.4, 8.1 | 97.8 | ||
| Life‐time alcohol dependence | Total | Low | 12 | 0.8 | 0.6, 0.9 | 99.3 |
| Intermediate | 17 | 2.0 | 1.6, 2.5 | 99.4 | ||
| High | 2 | 3.7 | 2.5, 4.9 | 83.7 | ||
| Life‐time alcohol dependence | Males | Low | 8 | 4.6 | 4.0, 5.3 | 99.4 |
| Intermediate | 14 | 3.7 | 2.7, 4.7 | 99.0 | ||
| High | 4 | 8.9 | 6.1, 11.6 | 96.6 | ||
| Life‐time alcohol dependence | Females | Low | 8 | <0.1 | <0.1, 0.1 | 86.4 |
| Intermediate | 14 | 0.1 | <0.1, 0.1 | 80.5 | ||
| High | 2 | 0.7 | <0.1, 1.5 | 75.6 | ||
| Life‐time alcohol dependence | Urban | Low | 3 | 0.2 | 0.1, 0.3 | 96.7 |
| Intermediate | 11 | 1.5 | 1.1, 1.9 | 98.5 | ||
| High | 1 | 3.9 | 2.3, 5.6 | – | ||
| Life‐time alcohol dependence | Rural | Low | 4 | 1.3 | 1.0, 1.6 | 99.5 |
| Intermediate | 11 | 1.2 | 0.8, 1.6 | 98.5 | ||
| High | 1 | 2.7 | 1.7, 3.6 | – |
a
The low, intermediate and high quality are based on the score on the 16‐item quality scale (described in Methods section): 0 ~ 7 = low, 8 ~ 12 = intermediate, 13 ~ 16 = high. CI = confidence interval.