Table 3 Results from logistic regression analysis to evaluate factors that affect the incidence of Leishmania donovani infection in the Kafta - Humera lowlands
Dependant variables | B | S.E. | Wald | df | Sig | Exp (B) | 95.0% C.I. for EXP(B) | |
|---|---|---|---|---|---|---|---|---|
Lower | Upper | |||||||
A) DAT Positive | ||||||||
- Stayed both weeding and harvest season | 1.04 | 0.492 | 4.463 | 1 | 0.035 | 2.83 | 1.078 | 7.428 |
- Involved in night harvest activities | −2.014 | 0.918 | 4.816 | 1 | 0.028 | 0.133 | 0.022 | 0.806 |
- Sleep in the farm | 2.714 | 1.048 | 6.71 | 1 | 0.01 | 15.096 | 1.936 | 117.716 |
- Age intervals | −0.263 | 0.226 | 1.358 | 1 | 0.244 | 0.769 | 0.494 | 1.197 |
- Address | 0.92 | 0.42 | 4.785 | 1 | 0.029 | 2.508 | 1.1 | 5.717 |
- Number of visit to Humera | 0.181 | 0.176 | 1.064 | 1 | 0.302 | 1.198 | 0.85 | 1.691 |
- Knows, at least, a sign or symptom | −0.961 | 0.473 | 4.13 | 1 | 0.042 | 0.383 | 0.151 | 0.966 |
- Knows agent causing VL | −18.573 | 40193 | 0 | 1 | 1 | 0 | 0 | |
- Knows, at least, a method to prevent VL | 0.475 | 0.565 | 0.709 | 1 | 0.4 | 1.609 | 0.532 | 4.864 |
- Knows VL is a vector born disease | −0.468 | 1.146 | 0.167 | 1 | 0.683 | 0.626 | 0.066 | 5.916 |
- Constant | −4.664 | 1.264 | 13.627 | 1 | 0 | 0.009 | ||
B) Sero-reaction | ||||||||
- Stayed both weeding and harvest season | 1.513 | 0.348 | 18.889 | 1 | 0.00 | 4.542 | 2.295 | 8.988 |
- Involved in night harvest activities | −1.778 | 0.767 | 5.375 | 1 | 0.02 | 0.169 | 0.038 | 0.76 |
- Sleep in the farm | 1.892 | 0.779 | 5.901 | 1 | 0.015 | 6.635 | 1.441 | 30.541 |
- Age intervals of migrant workers | −0.304 | 0.158 | 3.679 | 1 | 0.055 | 0.738 | 0.541 | 1.007 |
- Address of the labour migrants | 1.067 | 0.321 | 11.021 | 1 | 0.001 | 2.907 | 1.548 | 5.459 |
- Number of visit to Humera | 0.248 | 0.131 | 3.588 | 1 | 0.058 | 1.281 | 0.991 | 1.655 |
- Knows, at least, a sign or symptom | −1.084 | 0.318 | 11.622 | 1 | 0.001 | 0.338 | 0.181 | 0.631 |
- Knows agent causing VL | 24.004 | 40193 | 0 | 1 | 1 | 2.66 | 0 | |
- Knows, at least, a method to prevent VL | −0.248 | 0.418 | 0.352 | 1 | 0.553 | 0.78 | 0.344 | 1.77 |
- Knows VL is a vector born disease | −1.367 | 1.096 | 1.555 | 1 | 0.212 | 0.255 | 0.03 | 2.185 |
- Constant | −3.336 | 0.865 | 14.888 | 1 | 0 | 0.036 | ||