Table 3 Estimates of regression coefficients corresponding to various cofactors for different count models
From: Count data regression modeling: an application to spontaneous abortion
Models→ | General Linear Models | Zero Hurdle NB Model | Zero Inflated NB model | |||
|---|---|---|---|---|---|---|
Variables↓ | Poisson Model | Neg. Binomial Model | Truncated NB Portion (Risk ratio) | Hurdle Portion (Odds Ratio) | Count Portion (Risk ratio) | Zero inflation Portion (Odds Ratio)a |
ANC Place | ||||||
Government | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. |
Private | 1.18 (.083) | 1.17 (.070) | 1.09 (.120) | 1.01 (.231) | 1.08 (.086) | 1.00 (.172) |
Others | 1.41*(.067) | 1.47 **(.057) | 1.56***(.097) | 1.50*(.179) | 1.59***(.069) | 0.47*(.146) |
Place of Residence | ||||||
Rural | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. |
Urban | 0.91 (.041) | 0.91* (.033) | 0.97* (.060) | 0.94* (.182) | 0.87** (.041) | 1.12* (.082) |
Age | 1.01 (.002) | 1.01 (.002) | 1.04 (.004) | 1.01 (.028) | 1.03 (.002) | 0.95 (.012) |
Age at Marriage | 0.98***(.007) | 0.98***(.005) | 0.96***(.011) | 0.95* (.034) | 0.98** (.007) | 1.04* (.011) |
Total Children | 1.24 (.021) | 1.38** (.017) | 1.17***(.034) | 1.19** (.074) | 1.16***(.022) | 0.92** (.046) |
Education | ||||||
Illiterate | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. |
Primary | 1.02 (.049) | 1.04 (.040) | 0.89* (.079) | 0.84 (.190) | 0.99* (.050) | 1.01 (.105) |
Secondary | 1.02 (.054) | 0.98 (.043) | 0.89 (.084) | 0.81 (.210) | 0.91* (.054) | 1.03 (.115) |
Higher | 0.90 (.079) | 0.90*(.063) | 0.72***(.115) | 0.58**(.410) | 0.89***(.078) | 1.20**(.160) |
Religion | ||||||
Sikh | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. |
Others | 0.97 (.040) | 0.95 (.032) | 0.91 (.052) | 0.92 (.174) | 0.90* (.040) | 1.15* (.088) |
Caste | ||||||
SC/ST | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. |
OBC | 1.02 (.057) | 1.02 (.045) | 1.08 (.089) | 1.11 (.227) | 1.01 (.061) | 0.98 (.114) |
General | 1.02 (.042) | 1.01 (.034) | 1.08 (.065) | 1.09 (.164) | 1.01 (.042) | 0.99 (.081) |
Wealth Index | ||||||
Low | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. |
Middle | 0.94 (.067) | 0.96 (.054) | 0.91* (.098) | 0.89* (.176) | 0.90* (.071) | 0.97* (.137) |
High | 1.01 (.071) | 1.10*(.056) | 1.12* (.066) | 1.09**(.061) | 1.08***(.049) | 0.89***(.050) |
Media Exposure | ||||||
Yes | Ref. | Ref. | Ref. | Ref. | Ref. | Ref. |
No | 1.05* (.078) | 1.05 (.064) | 1.11 (.116) | 0.95 (.265) | 1.08 (.089) | 0.97 (.163) |