Table 1 Main characteristics of studies included in the meta-analysis (N = 35)
From: Incidence of acute diarrheal illness in Chinese communities: a meta-analysis
Variable | No. of studies (n) | Proportion (% = n/N) |
|---|---|---|
Time perioda | ||
1980–1989 | 11 | 31 |
1990–1999 | 3 | 8 |
2000–2012 | 19 | 53 |
Unknown | 3 | 8 |
Study area | 0 | |
Rural | 17 | 49 |
Urban | 4 | 11 |
Rural+urban (combined) | 14 | 40 |
East | 19 | 54 |
Central | 3 | 9 |
West | 10 | 29 |
Multi-province | 2 | 6 |
Unknown | 1 | 3 |
North | 8 | 23 |
South | 24 | 69 |
Multi-province | 2 | 6 |
Unknown | 1 | 3 |
Survey mode | 0 | |
Face-to-face survey | 34 | 97 |
Telephone survey | 1 | 3 |
Season | 0 | |
Spring | 1 | 3 |
Summer | 16 | 46 |
Autumn | 1 | 3 |
Winter | 2 | 6 |
Multi-season | 14 | 40 |
Unknown | 1 | 3 |