Table 1.
Baseline characteristics. Values are numbers (percentages) unless stated otherwise
| Characteristics | Control (n=790) | Intervention (n=786) |
|---|---|---|
| Cluster level | ||
| No of communities by location: | ||
| Hebei | 5/60 | 5/60 |
| Heilongjiang | 5/60 | 5/60 |
| Jiangxi | 5/60 | 5/60 |
| Hunan | 5/60 | 5/60 |
| Sichuan | 5/60 | 5/60 |
| Qinghai | 5/60 | 5/60 |
| No of families | 395 | 393 |
| Mean (SD) outdoor temperature (°C) | 7.9 (13.5) | 12.1 (6.9) |
| Total No of residents in communities | 63 026 | 66 766 |
| Male gender | 32 498 (51.6) | 33 941 (50.8) |
| Age, years: | ||
| 18-44 | 17 901 (36.2) | 19 362 (38.1) |
| 45-59 | 19 874 (40.2) | 19 225 (37.8) |
| 60-75 | 11 621 (23.5) | 12 286 (24.2) |
| Mean (SD) No of primary care providers in each community | 3.1 (2.9) | 2.5 (2.3) |
| Individual level | ||
| Male gender | 391 (49.5) | 384 (48.9) |
| Mean (SD) age, years | 55.0 (10.9) | 56.6 (10.5) |
| Education level: | ||
| Never enrolled in education | 177 (22.4) | 169 (21.5) |
| Primary school | 232 (29.4) | 246 (31.3) |
| Junior high school | 259 (32.8) | 234 (29.8) |
| High school and above | 122 (15.4) | 137 (17.4) |
| Total annual household income, yuan: | (n=698) | (n=708) |
| ≤25 000 | 364 (52.1) | 380 (53.7) |
| 25 000 | 334 (47.9) | 328 (46.3) |
| Current alcohol drinking | 294 (37.2) | 296 (37.7) |
| Physical activity | 219 (27.7) | 249 (31.7) |
| Mean (SD) body mass index | 25.1 (7.6) | 25.1 (3.8) |
SD=standard deviation.