Table 1.
Baseline characteristics within healthcare units. Figures are numbers (percentages) unless stated otherwise
| Intervention community | Control community | |
|---|---|---|
| No of units | 4 | 4 |
| Total targeted population aged >40 | 2432 | 2544 |
| Mean (SD) population aged >40 per unit | 608 (43) | 636 (42) |
| Mean (SD) annual income* per unit | 17 425 (608) | 17 031 (190) |
| Men | 1218 (50) | 1269 (50) |
| Age ≥60 | 994 (41) | 1071 (42) |
| <6 years’ education | 970 (40) | 1043 (41) |
| Current smokers | 203 (22) | 209 (23) |
| Aware of COPD†‡ | 40 (20) | 37 (18) |
| Aware of hazards of smoking†: | ||
| Not aware | 37 (18) | 38 (18) |
| Know a little | 76 (37) | 93 (39) |
| Know more | 90 (44) | 90 (43) |
COPD=chronic obstructive pulmonary disease.
*yuan/person/year; 1 yuan=£0.09, €0.11, $0.15.
†Data from random sample of 424 (203 in intervention community, 221 in control community) who completed short questionnaire of knowledge on health.
‡Data before intervention were missing for two people.