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Levels of altruistic willingness to pay by SES
| Variable | Q1 n = 904 | Q2 n = 904 | Q3 n = 903 | Q4 n = 903 | Q5 n = 903 | Q1:Q5 ratio | X2 (p-value) |
|---|---|---|---|---|---|---|---|
| Whether willing to contribute: n(%) |
449 (49.7%) |
515 (57.0%) |
602 (66.7%) |
656 (72.7%) |
713 (79.0%) |
0.63 |
220.6 (<.001) |
| Average altruistic WTP amount in Naira: mean(SD) |
385.8 (603.1) |
511.7 (841.2) |
651.7 (1018.1) |
825.3 (1263.2) |
1078.2 (1129.5) |
0.36 |
362.9 (<.01) |
| Average altruistic WTP amount in US$ | 2.6 | 3.4 | 4.4 | 5.5 | 7.2 |
