Potential risk factors for trachoma
| Characteristics | No | Trachoma (%) | Prevalence ratio | p Value | OR (95% CI) | OR (95% CI) | ||
| Male | 646 | 5.5 | 1.0 | 1.0 | p=0.8 | 1.0 | p=0.7 | |
| Female | 660 | 5.7 | 1.04 | 0.8 | 0.93 | (0.58–1.49) | 0.92 | (0.57–1.48) |
| Age group | ||||||||
| 7–8 years | 178 | 15.7 | 1.0 | 1.0 | p<0.001 | 1.0 | p<0.001 | |
| 9–10 years | 325 | 5.2 | 0.3 | 0.001 | 0.29 | (0.16–0.56) | 0.31 | (0.16–0.60) |
| 11–12 years | 337 | 6.2 | 0.4 | 0.001 | 0.35 | (0.19–0.64) | 0.35 | (0.19–0.64) |
| 13–14 years | 300 | 2.7 | 0.2 | 0.001 | 0.15 | (0.07–0.32) | 0.15 | (0.07–0.35) |
| 15+ years | 242 | 1.2 | 0.08 | 0.001 | 0.07 | (0.02–0.22) | 0.07 | (0.02–0.24) |
| Mother in salaried employment | 53 | 1.9 | 1.0 | 1.0 | p=0.6 | 1.0 | p=0.6 | |
| Mother not in salaried employment | 1309 | 5.6 | 3.0 | 0.376 | 3.44 | (0.46–25.8) | 1.73 | (0.21–14.27) |
| Mother alive | 1362 | 5.4 | 1.0 | 1.0 | p=0.07 | 1.0 | p=0.05 | |
| Mother dead | 22 | 13.6 | 2.5 | 0.217 | 3.23 | (0.89–11.74) | 3.74 | (1.01–13.76) |
| Father in salaried employment | 152 | 1.3 | 1.0 | 1.0 | p=0.03 | 1.0 | p=0.15 | |
| Father not in salaried employment | 1152 | 6.2 | 4.8 | 0.015 | 5.04 | (1.21–20.98) | 2.76 | (0.65–11.73) |
| Father alive | 1304 | 5.6 | 1.0 | 1.0 | p=0.6 | 1.0 | p=0.4 | |
| Father dead | 67 | 4.5 | 0.8 | 0.867 | 0.75 | (0.23–2.52) | 0.61 | (0.18–2.10) |
| Both parents reported literate | 934 | 4.1 | 1.0 | 1.0 | p=0.004 | 1.0 | p=0.13 | |
| One parent reported literate | 339 | 8.8 | 2.2 | 0.002 | 2.7 | (1.31–3.62) | 1.68 | (0.99–2.88) |
| Neither parent reported literate | 111 | 8.3 | 2.0 | 0.004 | 2.8 | (1.14–5.38) | 1.63 | (0.72–3.69) |
| Household with bicycle | 1011 | 4.6 | 1.0 | 1.0 | p=0.04 | 1.0 | p=0.2 | |
| Household without bicycle | 375 | 8.0 | 1.7 | 0.016 | 1.67 | (1.03–2.71) | 1.48 | (0.86–2.56) |
| Household with car | 42 | 0.0 | 1.0 | |||||
| Household without car | 1344 | 5.7 | ∞ | 0.110 | Cannot be estimated | Cannot be estimated | ||
| Household with radio | 925 | 3.7 | 1.0 | 1.0 | p<0.001 | 1.0 | p=0.01 | |
| Household without radio | 461 | 9.3 | 2.5 | <0.001 | 2.56 | (1.59–4.11) | 2.51 | (1.52–4.14) |
| Household with 10 or more cows | 399 | 6.8 | 1.0 | 1.0 | p=0.18 | 1.0 | p=0.015 | |
| Household with less than 10 cows | 986 | 5.1 | 0.8 | 0.212 | 0.71 | (0.44–1.17) | 0.54 | (0.32–0.91) |
| House built from cement blocks | 231 | 1.3 | 1.0 | 1.0 | p=0.007 | 1.0 | p=0.023 | |
| House built from mud | 1155 | 6.4 | 4.9 | 0.002 | 5.07 | (1.57–16.34) | 4.00 | (1.22–13.12) |
| House roofed with iron sheets | 825 | 4.2 | 1.0 | 1.0 | p=0.02 | 1.0 | p=0.05 | |
| House roofed with grass thatch | 561 | 7.5 | 1.8 | 0.010 | 1.77 | (1.10–2.83) | 1.11 | (0.65–1.90) |