Table 4.
Coefficients of explanatory variables of infant mortality between 1988/95 and 1996/2003, A pooled KDHS Dataset
| Characteristic | Coefficients | Coefficients | Significance of differences in coefficients for the two periods (t-statistic) (c) |
|---|---|---|---|
| |
period (1988–95) (n = 3115) (a) |
period (1996–03) (n = 2150) (b) |
|
|
Maternal factors |
|
|
|
| Maternal age at child birth (D) |
−0.430 (−1.02) |
0.035 (0.08) |
−0.114 |
| Baby size at birth (D) |
−0.456 (−2.01)*** |
−0.367 (−2.40)*** |
5.897*** |
| Duration of breastfeeding (D) |
1.032 (5.82)** |
4.179 (8.12)*** |
6.969*** |
| Preceding birth interval (D) |
−0.402 (−2.29)** |
−0.589 (−1.72) |
6.094*** |
|
Maternal health-seeking factors |
|
|
|
| Place of delivery (D) |
0.228 (1.16) |
0.103 (0.47) |
2.624* |
| Tetanus Toxoid (D) |
−0.423 (−1.56) |
−0.129 (−0.40) |
0.864 |
|
Socio-economic factors |
|
|
|
| Paternal education (years) |
−0.052 (−1.19) |
0.015(0.77) |
−64.717*** |
| Source of water (D) |
0.066 (0.260) |
−0.392(−1.30) |
−19.901*** |
| Type of Toilet Facility (D) |
−0.399 (−1.85) |
0.243(0.82) |
−2.316** |
| Maternal education (Years) |
−0.040 (−0.94) |
−0.017(−0.38) |
56.965*** |
| Ethnicity (D) |
−0.192(−0.54) |
0.092 (0.22) |
−0.831 |
| Household Wealth Index (D) |
−0.497(−2.37)** |
−0.167 (−0.72) |
1.757 |
|
Community level factors |
|
|
|
| HIV regional status (D) |
1.082 (5.15)*** |
0.933 (3.86)*** |
4.289*** |
| Malaria endemic region (D) | −1.265(−5.06)*** | −1.332 (−4.78)*** | 3.831*** |
Notes: D denotes dichotomous variable. ***p < 0.001, **p < 0.01, *p < 0.05. Column C was computed using the following formula: (P2-P1)/(1.96SQRT(X1 + X2) where P2& P1are the coefficients of the two periods and X1& X2are the standard errors for each explanatory variable for the two periods.
Source: Primary analysis of the merged KDHS dataset 1993–2003.