Table 4 Pooled estimates for subgroups using DerSimonian-Laird Random-Effect Model for Chinese university students’ past-30-day alcohol use, 2006–2015
Outcome variable | Subgroup | N | Pooled estimate(%) | 95% CI | I2 | Qbetween |
|---|---|---|---|---|---|---|
Pooled male drinking rate | ||||||
Definition (no) | 13 | 70.0 | 69.2–70.8 | 99.17 | 227.12*** | |
Definition (yes) | 17 | 63.0 | 62.7–63.4 | 99.31 | ||
Questionnaire: (YRBS) | 21 | 64.0 | 63.7–64.3 | 98.84 | 257.30*** | |
Investigator-developed | 8 | 60.1 | 59.0–61.3 | 99.64 | ||
Region east | 11 | 52.1 | 51.3–52.9 | 99.29 | 1252.67*** | |
Region middle | 5 | 74.8 | 73.7–75.9 | 99.35 | ||
Region west | 9 | 67.5 | 66.6–68.3 | 97.92 | ||
Pooled female drinking rate | ||||||
Definition (no) | 13 | 42.5 | 41.6–43.4 | 99.26 | 492.86*** | |
Definition (yes) | 17 | 32.2 | 31.9–32.5 | 98.89 | ||