Table 2.
Non-spatial and spatial multivariable zero inflated Poisson models.
| Variable | Category | Descriptive, n (%) N = 16,844 |
Non-spatial zero inflated Poisson |
nsZIP | Spatial zero inflated Poisson |
sZIP | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | 2.5% | Median | 97.50% | AHR | Mean | SD | 2.5% | Median | 97.50% | AHR | |||
| Gender | Female (ref) | 8506 (50.50) | ||||||||||||
| Male | 8838 (49.50) | 0.415 | 0.25 | −0.12 | 0.42 | 0.93 | 1.51 | 0.38 | 0.25 | −0.11 | 0.39 | 0.88 | 1.46 | |
| Year | 2000 (ref) | 3360 (19.95) | ||||||||||||
| 2001 | 2826 (16.78) | 0.49 | 0.30 | −0.14 | 0.50 | 1.10 | 1.63 | 0.50 | 0.30 | −0.10 | 0.52 | 1.02 | 1.65 | |
| 2002 | 2633 (15.63) | 0.837⁎ | 0.37 | 0.16 | 0.86 | 0.54 | 2.31 | 0.81⁎ | 0.333 | 0.17 | 0.81 | 1.46 | 2.25 | |
| 2003 | 2496 (14.82) | 0.56 | 0.43 | −0.21 | 0.53 | 1.43 | 1.75 | 0.56 | 0.40 | −0.32 | 0.58 | 1.27 | 1.75 | |
| 2004 | 3002 (17.82) | 0.15 | 0.34 | −0.50 | 0.15 | 0.80 | 1.16 | 0.17 | 0.32 | −0.52 | 0.17 | 0.80 | 1.19 | |
| 2005 | 2527 (15.00) | −0.22 | 0.47 | −1.14 | −0.20 | 0.61 | 0.80 | −0.21 | 0.45 | −1.07 | −0.20 | 0.65 | 0.81 | |
| Child’s nationality | Mozambican (ref) | 6242 (37.06) | ||||||||||||
| South African | 10,602 (62.94) | −0.82 | 0.65 | −2.11 | −0.86 | 0.34 | 0.44 | −0.70 | 0.53 | −1.65 | −0.69 | 0.36 | 0.50 | |
| Mother’s nationality | South African (ref) | 10,883 (64.61) | ||||||||||||
| Mozambican | 5961 (35.39) | −0.11 | 0.67 | −1.56 | −0.11 | 1.25 | 0.90 | −0.05 | 0.54 | −1.07 | −0.05 | 1.00 | 0.95 | |
| Mother’s age at birth | Mean years ± SD | 29.00 ± 7.60 | 0.01 | 0.02 | −0.02 | 0.01 | 0.04 | 1.01 | 0.01 | 0.02 | −0.03 | 0.01 | 0.04 | 1.01 |
| Mother’s status | Alive (ref) | 16,736 (99.36) | ||||||||||||
| Deceased | 108 (0.64) | 2.665⁎ | 0.81 | 0.90 | 2.74 | 3.90 | 14.37 | 2.456⁎ | 0.63 | 1.15 | 2.46 | 3.74 | 11.66 | |
| Father’s status | Alive (ref) | 16,531 (98.14) | ||||||||||||
| Deceased | 313 (1.86) | 0.98 | 0.66 | −0.33 | 1.00 | 2.33 | 2.66 | 1.081⁎ | 0.49 | 0.06 | 1.09 | 2.04 | 2.95 | |
| Household head gender | Female (ref) | 3012 (33.98) | ||||||||||||
| Male | 5851 (66.02) | −0.49 | 0.26 | −1.04 | −0.50 | 0.01 | 0.61 | −0.45 | 0.25 | −0.96 | 0.44 | 0.02 | 0.64 | |
| Antenatal visits | Mean visits ± SD | 4.04 ± 2.42 | −0.185⁎ | 0.05 | −0.29 | −0.19 | −0.09 | 0.83 | −0.184⁎ | 0.05 | −0.29 | −0.18 | −0.90 | 0.83 |
| Pregnancy parity | Mean ± SD | 2.104 ± 1.396 | 0.25 | 0.22 | −0.14 | 0.24 | 0.67 | 1.28 | 0.25 | 0.21 | −0.16 | 0.25 | 0.67 | 1.28 |
| Household socio-economic status | Most poor (ref) | 1566 (17.67) | ||||||||||||
| Very poor | 1701 (19.19) | −0.17 | 0.32 | −0.83 | −0.17 | 0.41 | 0.84 | −0.22 | 0.30 | −0.82 | −0.22 | 0.36 | 0.80 | |
| Poor | 1833 (20.68) | −0.20 | 0.35 | −0.84 | −0.20 | 0.51 | 0.82 | −0.28 | 0.29 | −0.85 | −0.29 | 0.27 | 0.76 | |
| Moderately poor | 1905 (21.49) | −0.26 | 0.33 | −1.03 | −0.27 | 0.36 | 0.77 | −0.30 | 0.32 | −0.95 | −0.29 | 0.29 | 0.74 | |
| Least poor | 1858 (20.97) | −0.856⁎ | 0.42 | −1.60 | −0.84 | −0.04 | 0.42 | −0.941⁎ | 0.42 | −1.83 | −0.94 | −0.13 | 0.39 | |
| Cumulative household deaths | Mean ± SD | 0.252 ± 0.553 | −0.16 | 0.25 | −0.68 | −0.17 | 0.29 | 0.85 | −0.10 | 0.24 | −0.62 | −0.13 | 0.30 | 0.90 |
| Parity at birth | Mean ± SD | 1.569 ± 0.856 | −0.369⁎ | 0.20 | −0.77 | −0.35 | −0.03 | 0.69 | −0.37⁎ | 0.18 | −0.74 | −0.37 | −0.02 | 0.69 |
| Total living household | Mean ± SD | 1.569 ± 0.884 | 0.01 | 0.02 | −0.04 | 0.01 | 0.06 | 1.01 | 0.00 | 0.02 | −0.04 | 0.00 | 0.04 | 1.00 |
| Number of deaths in household | Mean ± SD | 0.047 ± 0.222 | 0.854 | 0.50 | −0.11 | 0.86 | 1.80 | 2.35 | 0.89 | 0.48 | −0.17 | 0.92 | 1.79 | 2.44 |
| Total live births | Mean ± SD | 2.030 ± 1.855 | −0.21 | 0.18 | −0.60 | −0.21 | 0.13 | 0.81 | −0.22 | 0.18 | −0.61 | −0.21 | 0.12 | 0.80 |
⁎
Significant at 5% level of significance.