Table 1.
Univariate and multiple regression results models using zero inflated Poisson adjusting for spatiotemporal random effects.
| Variable | Summary, n (%) or mean ± SD | Univariate results, RR (95% credible interval) | Non-spatial multiple variable model, adjusted RR (95% credible interval) | Temporal multiple variable model, adjusted RR (95% credible interval) | Spatial multiple variable model, adjusted RR (95% credible interval) | Spatiotemporal multiple variable model, adjusted RR (95% credible interval) |
|---|---|---|---|---|---|---|
| Sex | ||||||
| Male | 35,317(49.70) | 1.00 | ||||
| Female | 35,740(50.30) | 0.89(0.74;1.07) | ||||
| Birth weight category | ||||||
| Low weight | 6,320(8.89) | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Moderate weight | 15,241(21.45) | 0.81(0.61;1.07) | 0.70*(0.53;0.93) | 0.85(0.63;1.16) | 0.71*(0.53;0.93) | 0.85(0.63;1.16) |
| High weight | 49,496(69.66) | 0.39*(0.30;0.51) | 0.57*(0.42;0.76) | 0.73*(0.53;0.99) | 0.58*(0.43;0.77) | 0.73*(0.53;0.99) |
| Age category | ||||||
| 0–1 years | 8,580(12.07) | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| 1–5 years | 19,619(27.61) | 0.21*(0.17;0.26) | 0.20*(0.16;0.25) | 0.18*(0.23;0.64) | 0.20*(0.16;0.25) | 0.18*(0.14;0.22) |
| 5–9 years | 42,858(60.31) | 0.05*(0.04;0.07) | 0.04*(0.03;0.05) | 0.04*(0.05;0.54) | 0.04*(0.03;0.05) | 0.04*(0.03;0.05) |
| Slum (electricity, water and toilet) | ||||||
| None of the three | 10,051(14.14) | 1.00 | 1.00 | 1.00 | ||
| At least one | 27,329(38.46) | 0.78(0.60;1.01) | 0.79(0.61;1.02) | 0.77(0.60;1.00) | ||
| At least two | 21,871(30.78) | 0.74*(0.56;0.97) | 0.73*(0.56;0.96) | 0.71*(0.54;0.93) | ||
| All three | 5,748(8.09) | 0.57*(0.37;0.86) | 0.55*(0.35;0.83) | 0.53*(0.34;0.81) | ||
| Antenatal clinic visits | 6.00(±1.50) | 0.98*(0.97;0.99) | 0.98*(0.97;0.99) | 0.96*(0.94;0.97) | 0.98*(0.96;0.99) | 0.96*(0.94;0.97) |
| Zero inflation parameter | 0.06*(0.002;0.25) | 0.05*(0.003;0.18) | 0.07*(0.003;0.28) | 0.04*(0.002;0.15) | ||
| Precision for year | 0.91*(0.23;2.19) | 0.86*(0.16;2.32) | ||||
| Rho for year | 0.88*(0.72;0.97) | 0.89*(0.70;0.98) | ||||
| Kappa | 1.98*(1.09;3.66) | 1.55*(1.41;1.63) | ||||
| Tau | 1.37*(0.18;2.600 | 2.31*(1.19;9.08) | ||||
| Moran's Indexes: Observed(Expected ± standard deviation) | 0.32*(2.1 ± 3.33 × 10−3) | |||||
| Effective number of parameters | 12.05(0.05) | 25.61(1.10) | 23.18(5.04) | 29.16(6.33) | ||
| DIC | 4855.31 | 4532.69 | 4846.13 | 4532.31 | ||
*
Statistical significance at the 5% level.