Table 5.
Multivariable model showing risk factors associated with seropositivity among women at baseline and follow-up surveys
| Baseline |
Follow-up |
|||
|---|---|---|---|---|
|
Factors
|
ARR (95% CI)
|
P-value
|
ARR (95% CI)
|
P-value
|
|
|
|
|
|
|
|
Number of living children in household, n (%)
|
|
|
|
|
| ≤2 |
|
|
Ref |
|
| ≥3 |
|
|
1.4 (0.9-2.0) |
0.055 |
|
Wealth quintile, n (%)
|
|
|
|
|
| 1st wealth tertile |
0.8 (0.7-0.9) |
0.018 |
|
|
| 2nd wealth tertile |
1.0 (0.9-1.2) |
0.193 |
|
|
| 3rd wealth tertile |
Ref. |
|
|
|
| Un-improved drinking water* |
1.2 (1.1-1.4) |
0.002 |
|
|
|
Women age (in years), n (%)
|
|
|
|
|
| 20-29 |
|
|
Ref |
|
| 30-39 |
|
|
0.6 (0.4-0.9) |
0.029 |
| ≥40 |
|
|
0.7 (0.3-1.5) |
0.443 |
| Body mass index (kg/m2) (n = 1148) |
|
|
|
|
| Underweight (BMI≤18.5) |
|
|
0.4 (0.3-0.7) |
0.001 |
| Healthy weight (BMI>18.5 –<25) |
|
|
Ref |
|
| Overweight/obese (BMI≥25) |
|
|
0.8 (0.6-1.2) |
0.468 |
| Tobacco user, n (%) | 0.8 (0.7-0.9) | 0.003 | ||
ARR – absolute risk ratio, BMI – body mass index, CI – confidence interval
*Open well, closed well, tanker truck, small cart with tank, surface water (river/dam/lake/pond/stream/canal), bottled water, rainwater, other water source.