Characteristics of the study population
| Health professionals | Pregnant women | ||
|---|---|---|---|
| No (%) | No (%) | ||
| Area | Kunming | 238 (30) | 227 (27) |
| Dali | 201 (26) | 203 (24) | |
| Yingjiang | 215 (27) | 221 (26) | |
| Xishuangbanna | 126 (17) | 183 (22) | |
| Age | Mean (years) (SD) | 32 (8.5) | 25.6 (3.7) |
| Range | 17–65 | 17–42 | |
| Sex | Male | 128 (21.3) | |
| Female | 656 (78.7) | ||
| Education | Completed middle school | 632 (81) | 294 (35) |
| Not completed middle school | 148 (19) | 546 (65) | |
| Ethnicity | Han | 538 (69) | 571 (68) |
| Others: Bai, Dai, Hui, Yi | 242 (31) | 269 (32) |