Table 3.
Logistic regressions predicting the likelihood of ever having a blood test for malaria (odds ratios)
| Ever had blood test for malaria | |||||
|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | |
| Risk game (reference: Game 200/200) | |||||
| Game 100/300 | 0.620** | 0.651* | 0.736 | 0.668* | 0.728 |
| [0.393 - 0.977] | [0.406 - 1.045] | [0.459 - 1.180] | [0.415 - 1.076] | [0.449 - 1.180] | |
| Game 0/400 | 1.655 | 1.779 | 1.978 | 2.073* | 2.112* |
| [0.722 - 3.794] | [0.726 - 4.362] | [0.790 - 4.957] | [0.937 - 4.587] | [0.922 - 4.834] | |
| Joint test p-value | 0.039 | 0.070 | 0.020 | 0.038 | |
| Male (reference: female) | 0.890 | 0.808 | 0.797 | 0.772 | |
| [0.606 - 1.308] | [0.531 - 1.231] | [0.527 - 1.204] | [0.500 - 1.194] | ||
| Age (reference: 18–29) | |||||
| 30-39 | 0.942 | 0.913 | 1.003 | 0.960 | |
| [0.522 - 1.699] | [0.519 - 1.608] | [0.549 - 1.832] | [0.539 - 1.712] | ||
| 40-49 | 1.338 | 1.373 | 1.388 | 1.382 | |
| [0.628 - 2.851] | [0.638 - 2.956] | [0.649 - 2.969] | [0.636 - 3.004] | ||
| 50+ | 1.590 | 2.063** | 1.776** | 2.031** | |
| [0.886 - 2.853] | [1.134 - 3.755] | [1.004 - 3.141] | [1.100 - 3.751] | ||
| Joint test p-value | 0.081 | 0.008 | 0.033 | 0.019 | |
| Married (reference: not married) | 1.777** | 1.840** | 1.665* | 1.735* | |
| [1.079 - 2.927] | [1.070 - 3.164] | [0.981 - 2.826] | [0.992 - 3.034] | ||
| Recruited at PPMV (reference: pharmacy) | 0.707 | 0.847 | 0.835 | 0.908 | |
| [0.454 - 1.101] | [0.510 - 1.407] | [0.512 - 1.363] | [0.531 - 1.552] | ||
| Ibadan (reference: Ogbomosho) | 2.181*** | 2.192*** | 1.561* | 1.757** | |
| [1.406 - 3.382] | [1.345 - 3.574] | [0.945 - 2.580] | [1.020 - 3.027] | ||
| Education (reference: less than primary) | |||||
| Primary | 1.105 | 1.068 | |||
| [0.478 - 2.554] | [0.484 - 2.360] | ||||
| Secondary | 2.017 | 1.539 | |||
| [0.774 - 5.254] | [0.636 - 3.720] | ||||
| Higher | 3.656*** | 2.413** | |||
| [1.473 - 9.077] | [1.042 - 5.591] | ||||
| Joint test p-value | 0.012 | 0.040 | |||
| Wealth (reference: poorest quintile) | |||||
| Second | 1.562 | 1.200 | |||
| [0.876 - 2.783] | [0.690 - 2.085] | ||||
| Third | 1.992** | 1.571 | |||
| [1.026 - 3.866] | [0.868 - 2.843] | ||||
| Fourth | 2.742** | 1.836* | |||
| [1.244 - 6.043] | [0.905 - 3.728] | ||||
| Richest | 5.156*** | 3.304*** | |||
| [2.633 - 10.098] | [1.781 - 6.129] | ||||
| Joint test p-value | 0.000 | 0.003 | |||
| N | 438 | 438 | 438 | 438 | 438 |
| Wald chi2 (df) | 9.4 (2) | 106.1 (9) | 86.2 (12) | 123.5 (13) | 140.4 (16) |
| p | <0.01 | <0.001 | <0.001 | <0.001 | <0.001 |
Standard errors are clustered at the shop level.
95% Confidence intervals in brackets.
*** p < 0.01, ** p < 0.05, * p < 0.10.
p-values for Wald statistics reported for joint tests.