Table 3 Multivariable logistic models of STH infections using Generalized Estimating Equations to account for within-school clustering
| Â | Â | Â | Â | Â | Â | Â | Â | Â | A. lumbricoides | Â | T. trichiura | Â |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | A. lumbricoides | Â | T. trichiura | Â | Hookworms | Â | Mixed infections | Â | Mod-heavy | Â | Mod-heavy | Â |
|  | (n = 307) |  | (n = 317) |  | (n = 320) |  | (n = 310) |  | (n = 96) |  | (n = 211) |  |
Variables (Risk category) | OR (95% CI) | p-valuea | OR (95% CI) | p-valuea | OR (95% CI) | p-valuea | OR (95% CI) | p-valuea | OR (95% CI) | p-valuea | OR (95% CI) | p-valuea |
Ageb | 0.84 (0.67-1.05) | 0.120 | 1.14 (0.92-1.43) | 0.226 | 1.21 (0.96-1.53) | 0.107 | -- | Â | -- | Â | 0.85 (0.65-1.09) | 0.206 |
Sex (Boys) | 1.64 (0.90-3.00) | 0.106 | -- | Â | 2.33 (1.23-4.42) | 0.010 | 2.09 (1.17-3.75) | 0.013 | -- | Â | -- | Â |
SES (Lower)c | 0.80 (0.65-0.99) | 0.039 | 0.77 (0.63-0.94) | 0.010 | -- | Â | -- | Â | -- | Â | -- | Â |
Earthen floor at home (Total or partial) | -- | Â | -- | Â | -- | Â | -- | Â | 1.87 (0.77-4.55) | 0.166 | 2.12 (1.05-4.29) | 0.036 |
Home sanitary facility (None) | -- | Â | -- | Â | 3.23 (1.37-7.57) | 0.007 | -- | Â | -- | Â | 2.30 (0.94-5.64) | 0.068 |
Handwashing (Occasionally) | 2.56 (0.96-6.79) | 0.060 | 2.70 (0.93-7.81) | 0.067 | -- | Â | -- | Â | -- | Â | -- | Â |
Open Defecation (Habitual or occasional) | -- | Â | -- | Â | -- | Â | 1.78 (0.97-3.27) | 0.064 | -- | Â | -- | Â |
Wearing shoes outdoors (No) | -- | Â | -- | Â | -- | Â | -- | Â | -- | Â | 3.44 (1.73-6.87) | <0.001 |
Recalled expelling worms (Yes) | -- | Â | -- | Â | -- | Â | -- | Â | 3.00 (1.19-7.55) | 0.020 | -- | Â |
Recalled deworming (Yes)d | 0.37 (0.14-0.96) | 0.042 | -- | Â | -- | Â | 0.55 (0.23-1.31) | 0.178 | -- | Â | -- | Â |
STH awareness (Lower)e | -- | Â | -- | Â | 0.72 (0.52-0.99) | 0.040 | 0.75 (0.57-0.98) | 0.036 | -- | Â | -- | Â |
School deworming (None or only once a year) | 10.40 (4.39-24.65) | <0.001 | 2.08 (0.97-4.45) | 0.067 | 2.92 (1.09-7.85) | 0.034 | 10.57 (4.53-24.66) | <0.001 | -- | Â | 8.12 (2.33-28.20) | 0.001 |
School hygiene (Lower level) | 14.85 (7.29-30.24) | <0.001 | 7.32 (3.71-14.45) | <0.001 | -- | Â | 9.02 (4.66-17.46) | <0.001 | 3.32 (1.05-10.52) | 0.041 | -- | Â |