Table 2 Results of negative binomial model (model 1)
IPT factor | Estimate | Standard error | Z value | P value |
|---|---|---|---|---|
Intercept | 56.530 | 0.120 | 33.450 | 0.000* |
ANCREG | 1.004 | 0.000 | 5.099 | 0.000* |
\({\text{B}}_{{15_{19} }}\) | 1.005 | 0.004 | 0.990 | 0.322 |
\({\text{B}}_{{25_{29} }}\) | 0.996 | 0.002 | − 1.320 | 0.187 |
\({\text{B}}_{{30_{34} }}\) | 1.000 | 0.003 | 0.162 | 0.871 |
B35 | 0.996 | 0.004 | − 0.744 | 0.457 |
MANC | 1.001 | 0.002 | 0.647 | 0.518 |
ANCV1 | 1.000 | 0.000 | 0.885 | 0.376 |
ANCV2 | 1.000 | 0.000 | 0.745 | 0.456 |
ANCV4 | 1.000 | 0.000 | 1.587 | 0.113 |