Table 1.
Characteristics of the individuals who were included in the analysis (‘at-risk’ group) and the individuals who provided stool sample at baseline but were not included in the analysis (‘not-at-risk’ group) with the estimated ratio of participation for each characteristic*
| Characteristic | At-risk group n (%) | Not-at-risk group n (%) | Proportion ratio (95% BCI) |
|---|---|---|---|
| N | 2468 (35·7) | 4450 (64·3) | |
| Males, age (years) | |||
| <10 | 364 (33·9) | 710 (66·1) | 0·69 (0·62–0·78) |
| 11–15 | 267 (44·3) | 336 (55·7) | 0·69 (0·62–0·78) |
| 16–40 | 440 (32·7) | 905 (67·3) | 0·67 (0·60–0·75) |
| >40 | 328 (48·8) | 344 (51·2) | Reference |
| Females, age (years) | |||
| <10 | 359 (32·6) | 742 (67·4) | 0·66 (0·59–0·75) |
| 11–15 | 178 (37·2) | 301 (62·8) | 0·76 (0·66–0·87) |
| 16–40 | 237 (22·7) | 805 (77·3) | 0·46 (0·40–0·53) |
| >40 | 295 (49·1) | 306 (50·9) | Reference |
| S. japonicum at baseline (based on results of the Kato-Katz test) | |||
| Yes | 537 (60·8) | 347 (39·3) | 1·64 (1·54–1·75) |
| No | 1753 (37·0) | 2987 (63·0) | Reference |
| Unknown | 178 (13·8) | 1116 (86·2) | 0·37 (0·32–0·43) |
BCI, Bayesian credible interval.
*
One participant did not provide age and gender information.