Table 6 Changes in PNC use associated with the intervention
| Â | Unadjusted odds ratios (n = 1,423) (1) | Adjusted odds ratios (n = 1,423) (2) |
|---|---|---|
Exposure to the voucher scheme | Â | Â |
   No exposure (pre-intervention, 2008) | 1.00 | 1.00 |
   No exposure (post-intervention, 2009) | 1.30 | 1.18 |
   Not sold voucher booklet (2009) | 1.71 | 1.53 |
   Sold voucher booklet (2009) | 3.68*** | 5.80*** |
Program factors unrelated to the voucher scheme | Â | Â |
Travel time to nearest health facility | Â | Â |
   More than five minutes | 1.00 | 1.00 |
   Five minutes or less | 1.50** | 1.32 |
Mass media exposure | Â | Â |
   Do not watch television daily | 1.00 | 1.00 |
   Watch television daily | 1.51* | 0.95 |
Maternal factors | Â | Â |
Mother's age | Â | Â |
   < 24 | 1.00 | 1.00 |
   25-29 | 1.06 | 1.11 |
   30-34 | 1.22 | 1.44 |
   > 34 | 0.87 | 1.22 |
Parity/Living children | Â | Â |
   1 | 1.00 | 1.00 |
   2 | 0.79 | 0.72* |
   3 | 0.59*** | 0.50*** |
   4 | 0.49** | 0.52* |
   5 or more | 0.39*** | 0.47** |
Mother's education | Â | Â |
   None | 1.00 | 1.00 |
   Any primary | 1.62*** | 1.33 |
   Middle | 2.25*** | 1.70** |
   Secondary | 3.89*** | 2.58*** |
   Matriculate or higher | 5.58*** | 3.44*** |
Household factors | Â | Â |
Wealth quintiles | Â | Â |
   Fifth/poorest | 1.00 | 1.00 |
   Fourth | 1.36 | 1.10 |
   Third | 2.70*** | 2.04*** |
   Second | 3.42*** | 2.21*** |
   First/least poor | 5.19*** | 2.80*** |
Mother's autonomy | Â | Â |
   Low | 1.00 | 1.00 |
   Medium | 0.96 | 0.81 |
   High | 1.31 | 1.13 |
R-squared | Â | 13.62% |