Table 3 Decomposition of changes in adequate antenatal care visits 2004 to 2010
Characteristics | Differences in Population structure (E) | Differences in coefficients(C) | ||||
|---|---|---|---|---|---|---|
| Â | Coefficient | % | p-value | Coefficient | % | p-value |
Age at delivery (in years) | ||||||
 15-19 | 1.0 |  |  | 1.0 |  |  |
 20-24 | 0.0015 | -0.7 | 0.352 | 0.0345 | -16.3 | 0.001 |
 25-29 | -0.0007 | -0.3 | 0.709 | 0.0232 | -11.1 | 0.013 |
 30-34 | -0.0026 | 1.2 | 0.707 | 0.0284 | -13.4 | <0.001 |
 35+ | -0.0038 | 1.8 | 0.707 | 0.0148 | -7 | 0.065 |
Zones | ||||||
 Western zone | 1.0 |  |  | 1.0 |  |  |
 Northern zone | -0.0035 | 1.7 | 0.711 | -0.0008 | 0.4 | 0.865 |
 Central zone | -0.0012 | 0.6 | 0.711 | -0.0045 | 2.1 | 0.431 |
 Southern Highlands | -0.0001 | 0.1 | 0.73 | -0.0074 | 3.5 | 0.083 |
 Southern zone | 0.0002 | -0.1 | 0.729 | -0.0071 | 3.3 | 0.037 |
 Southwest Highlands | -0.0008 | 0.4 | 0.71 | -0.0301 | 14.2 | <0.001 |
 Lake Zone | 0.0033 | -1.6 | 0.713 | -0.0014 | 0.7 | 0.941 |
 Eastern zone | 0.0029 | -1.4 | 0.711 | -0.0042 | 2 | 0.551 |
 Zanzibar | -0.0005 | 0.2 | 0.713 | -0.0014 | 0.7 | 0.291 |
Highest level of education | ||||||
 No formal education | 1.0 |  |  | 1.0 |  |  |
 Primary education | 0.0014 | -0.7 | 0.713 | 0.0197 | -9.3 | 0.34 |
 Secondary and above | -0.0014 | 0.7 | 0.709 | 0.002 | -0.9 | 0.448 |
Parity | ||||||
 1 child | 1.0 |  |  | 1.0 |  |  |
 2-3 children | -0.0004 | 0.2 | 0.745 | -0.0136 | 6.5 | 0.121 |
 4-5 children | 0.0039 | -1.9 | 0.721 | -0.0195 | 9.2 | 0.04 |
 6+ children | 0.001 | -0.5 | 0.717 | -0.0175 | 8.2 | 0.096 |
Wealth index | ||||||
 Poorest | 1.0 |  |  | 1.0 |  |  |
 Poorer | 0.0041 | -1 | 0.745 | -0.0121 | 5.7 | 0.111 |
 Middle | -0.0001 | 0.05 | 0.792 | -0.004 | 1.9 | 0.588 |
 Richer | -0.0002 | 0.1 | 0.714 | 0.0035 | -1.6 | 0.644 |
 Richest | -0.0001 | 0.03 | 0.919 | -0.0127 | 6 | 0.865 |
Decision on respondent’s health | ||||||
 Respondent alone | 1.0 |  |  | 1.0 |  |  |
 Respondent & partner | 0.0136 | -6.4 | 0.759 | -0.0006 | 0.3 | 0.898 |
 Partner alone | 0.0042 | -2 | 0.738 | -0.0126 | 5.9 | 0.21 |
 Someone else | -0.0028 | 1.3 | 0.743 | 0.0002 | -0.1 | 0.96 |
Desire of last pregnancy | ||||||
 Wanted then | 1.0 |  |  | 1.0 |  |  |
 Wanted later | 0.0022 | -1.1 | 0.712 | -0.0122 | 5.7 | 0.028 |
 Wanted no more | 0.0004 | -0.2 | 0.775 | 0.026 | -1.2 | 0.41 |
First ANC initiated | Â | Â | Â | Â | Â | Â |
 Later than 1st trimester | 100 |  |  | 1.0 |  |  |
 Within 1st trimester | -0.0016 | 0.7 | 0.352 | -0.0188 | -8.7 | <0.001 |
Distance to Health facility | ||||||
 Big problem | 1.0 |  |  | 1.0 |  |  |
 Not a big problem | -0.0034 | 1.6 | 0.692 | -0.0086 | 4.1 | 0.58 |
Frequency of watching TV | ||||||
 Not at all | 1.0 |  |  | 1.0 |  |  |
 Less than once a week | 0.0004 | -0.02 | 0.759 | -0.0001 | -0.01 | 0.984 |
 At least once a week | 0.0040 | 1.9 | 0.706 | 0.012 | -5.7 | 0.013 |
Constant | Â | Â | Â | -0.1929 | 60.8 | 0.004 |
Total | Â | 4.2 | 0.352 | Â | 95.8 | <0.001 |