Table 2. Characteristics of study sites and individual participants (n = 319).
| Characteristic | Experimental (n = 130) | Control (n = 189) | P value | |
| Site's characteristic | ||||
| Cluster size | ||||
| mean ± SD | 19.13±3.94 | 24.25±2.25 | ||
| No. of Conforming Requests/Total | ||||
| 11/14(78.6%) | 25/26 (96.2%) | |||
| 21/23 (91.3%) | 21/21 (100.0%) | |||
| 18/21 (85.7%) | 27/27 (100.0%) | |||
| 18/21 (85.7%) | 21/21 (100.0%) | |||
| 16/20 (80.0%) | 23/24 (95.8%) | |||
| 19/24 (79.2%) | 23/24 (95.8%) | |||
| 14/16 (87.5%) | 26/26 (100.0%) | |||
| 13/14 (92.9%) | 23/25 (92.0%) | |||
| Total | 130/153 (85.0%) | 189/194 (97.4%) | ||
| Children's characteristics | ||||
| Sex | ||||
| Male | 69 (53.9%) | 104 (57.1%) | 0.581 | |
| Female | 59 (46.1%) | 78 (42.9%) | ||
| Age | ||||
| Mean ± SD | 8.22±0.70 | 8.24±0.67 | 0.827 | |
| House type | ||||
| Apartment | 109 (85.2%) | 158 (86.8%) | 0.823 | |
| Non-apartment | 19 (14.8%) | 24 (13.2%) | ||
| Job of parents | ||||
| Single | 71 (55.5%) | 99 (54.4%) | 0.261 | |
| Both | 57 (44.5%) | 83 (45.6%) | ||
| Family size | ||||
| ≤3 persons | 96 (76.8%) | 142 (78.5%) | 0.583 | |
| >4 persons | 29 (23.2%) | 39 (21.5%) | ||