Table 2. Risk factors for S. stercoralis infection in the multivariate GEE among 2,396 participants, Preah Vihear province, Cambodia, 2010.
| S. stercoralis Negative | S. stercoralis Positive | mOR (95% CI) | p-Value | |
| (N = 1325) | (N = 1071) | |||
| n (%) | n (%) | |||
| Gender (men compared to women) | 507 (38.37) | 534 (49.9) | 1.7 (1.4–2.0) | <0.001 |
| Age group | ||||
| 1–5 years | 129 (9.7) | 59 (5.5) | Reference | |
| 6–15 years | 453 (34.2) | 366 (34.2) | 2.3 (1.4–3.6) | <0.001 |
| 16–30 years | 352 (26.6) | 287 (26.8) | 1.8 (1.2–3.0) | 0.01 |
| 31–45 years | 220 (16.6) | 174 (16.2) | 1.7 (1.0–2.8) | 0.04 |
| >45 years | 171 (12.9) | 185 (17.3) | 2.2 (1.4–3.7) | 0.001 |
| Profession | ||||
| Farmer/Rice-Grower | 615 (46.4) | 547 (51.1) | Reference | |
| Schoolchildren | 451 (34.0) | 339 (31.6) | 0.8 (0.6–1.2) | 0.275 |
| Others | 259 (19.6) | 185 (17.3) | 1.0 (0.7–1.3) | 0.859 |
| Has been treated for worms (yes) | 450 (33.9) | 279 (26.0) | 0.7 (0.6–0.8) | <0.001 |
| Knows about worms/infection with worms (yes) | 240 (18.1) | 234 (21.8) | 1.3 (1.1–1.7) | 0.017 |
| Usually defecates in toilet (yes) | 195 (14.7) | 81 (7.5) | 0.6 (0.4–0.8) | 0.001 |
| Has shoes (yes) | 1203 (90.8) | 999 (93.3) | 1.1 (0.8–1.6) | 0.657 |
| Night temperature (year mean) | - | - | 0.9 (0.8–1.1) | 0.359 |
| Rainfall (year mean) | - | - | 0.8 (0.7–0.9) | 0.004 |
| Soil organic carbon content (10–20 g/kg) | 773 (58.3) | 485 (45.3) | 0.6 (0.5–0.9) | 0.003 |
| Land cover | ||||
| Savanna and shrubland | 441 (33.3) | 283 (26.4) | Reference | |
| Forest | 155 (11.7) | 130 (12.1) | 1.3 (0.8–2.1) | 0.233 |
| Grassland | 114 (8.6) | 70 (6.6) | 1.4 (0.8–2.4) | 0.315 |
| Cropland and crop-natural vegetation mosaic | 615 (46.4) | 588 (54.9) | 1.7 (1.2–2.4) | 0.004 |
mOR: Multiple Odds Ratio; 95% CI: 95% Confidence Interval.