TABLE 2.
Multivariable GEE analysis of water parameters associated with the presence of B. pseudomallei in Vientiane drains
| Variable | Positive | Negative | Multivariable GEE model OR (95% CI) and P valuea |
|---|---|---|---|
| Turbidity (FNU; log transformed in GEE), median (range) | 79.2 (13.1–851) | 32.7 (1.1–461) | 2.42 (1.31–4.5), 0.005** |
| TDS (ppm), median (range) | 192 (103–377) | 152 (41–304) | 1.01 (1.01–1.02), 0.006** |
| Drain lining, % (no./total) | |||
| Cement lined | 2.5 (3/120) | 20 (24/120) | 0.14 (0.02–0.88), 0.036* |
| Unlined | 30.8 (37/120) | 46.7 (56/120) | Reference level |
| District, % (no./total) | |||
| Sisattanak | 15 (18/120) | 15 (18/120) | 0.9 (0.32–2.61), 0.87 |
| Xaysetha | 7.5 (9/120) | 12.5 (15/120) | 0.43 (0.15–1.26), 0.13 |
| Xaythany | 5.8 (7/120) | 6.7 (8/120) | Reference level |
| Sikhottabong | 1.7 (2/120) | 15.8 (19/120) | 0.09 (0.009–0.72), 0.02* |
| Chanthabuly | 3.4 (4/120) | 16.7 (20/120) | 0.01 (0.08–1.57), 0.17 |
a
Asterisks indicate levels of significance as follows: *, P < 0.05, and **, P < 0.01.