Table 1 Baseline characteristics of study participants by intervention and control group
|  | Intervention (n = 223) | Control (n = 231) |
|---|---|---|
Clusters (n) | 5 | 5 |
Cluster size (n) | ||
 Mean (range) | 45 (30–54) | 46 (18–68) |
Quintile (n (%)) | ||
 Higher | 115 (52) | 118 (51) |
 Lower | 108 (48) | 113 (49) |
Gender (n (%)) | ||
 Male | 95 (43) | 96 (42) |
Age (years) | ||
 Mean (SD) | 13 (0.76) | 13 (0.84) |
Baseline score | ||
 Mean (SD) | ||
  SROM | 60.55 (7.13) | 60.67 (7.86) |
  PSD | 39.31 (7.62) | 39.71 (8.44) |
  SP | 12.22 (3.54) | 12.20 (3.37) |
  VI | 9.02 (3.22) | 8.77 (3.19) |