Table 2.
Changes in indices to measure VMWs' service quality, actions, and knowledge (n = 195)
| Indices and their items | Number of items in index | Maximum possible score | Reliability (Chronbach's alpha) | Pre scale-up | Post scale-up | Change in mean | Paired t-test p-value* |
||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||||||
| Service quality | 5 | 5 | 0.822 | 3.258 | 0.900 | 4.063 | 0.440 | 0.805 | < 0.001 |
| Active detection | |||||||||
| Diagnosis and treatment | |||||||||
| Prescription of anti-malarials | |||||||||
| Follow-up | |||||||||
| Dissemination of preventive measures | |||||||||
| Actions | 2 | 23 | 0.813 | 13.159 | 4.217 | 16.082 | 2.140 | 2.923 | < 0.001 |
| Malaria preventive measures | |||||||||
| Vector control measures | |||||||||
| Knowledge | |||||||||
| Malaria symptom | 5 | 1 | 0.591 | 0.568 | 0.223 | 0.838 | 0.183 | 0.270 | < 0.001 |
| Malaria transmission | 6 | 1 | 0.797 | 0.585 | 0.317 | 0.841 | 0.199 | 0.256 | < 0.001 |
| Vector natural enemies | 4 | 1 | 0.783 | 0.114 | 0.244 | 0.613 | 0.344 | 0.499 | < 0.001 |
| Vector breeding places | 4 | 1 | 0.744 | 0.347 | 0.321 | 0.751 | 0.281 | 0.404 | < 0.001 |
| Vector development time | 1 | 1 | N/A | 0.072 | 0.259 | 0.354 | 0.479 | 0.282 | < 0.001 |
| Vector species | 6 | 1 | 0.856 | 0.329 | 0.294 | 0.604 | 0.197 | 0.275 | < 0.001 |
| Vector active time | 1 | 1 | N/A | 0.979 | 0.142 | 0.995 | 0.072 | 0.015 | 0.090 |
*One-tailed t-test p-value