Table 4 Changes in ANC 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) | 1.77*** | 1.74*** |
   Not sold voucher booklet (2009) | 1.96 | 1.93 |
   Sold voucher booklet (2009) | 3.07** | 4.98*** |
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 | 2.00*** | 1.81*** |
Mass media exposure | Â | Â |
   Do not watch television daily | 1.00 | 1.00 |
   Watch television daily | 2.06*** | 1.13 |
Maternal factors | Â | Â |
Mother's age | Â | Â |
   < 24 | 1.00 | 1.00 |
   25-29 | 1.25* | 1.52*** |
   30-34 | 1.31 | 1.81** |
   > 34 | 0.96 | 1.63* |
Parity/Living children | Â | Â |
   1 | 1.00 | 1.00 |
   2 | 0.83 | 0.73 |
   3 | 0.66 | 0.49*** |
   4 | 0.52*** | 0.48*** |
   5 or more | 0.33*** | 0.34*** |
Mother's education | Â | Â |
   None | 1.00 | 1.00 |
   Any primary | 2.21*** | 1.73** |
   Middle | 2.22*** | 1.33 |
   Secondary | 5.40*** | 2.59*** |
   Matriculate or higher | 10.18*** | 3.97*** |
Household factors | Â | Â |
Wealth quintiles | Â | Â |
   Fifth/poorest | 1.00 | 1.00 |
   Fourth | 1.75** | 1.31 |
   Third | 3.31*** | 2.24*** |
   Second | 5.43*** | 3.11*** |
   First/least poor | 10.33*** | 4.38*** |
Mother's autonomy | Â | Â |
   Low | 1.00 | 1.00 |
   Medium | 1.60** | 1.42* |
   High | 1.32 | 1.12 |
R-squared | Â | 19.17% |