. Author manuscript; available in PMC: 2017 May 1.

Published in final edited form as: Matern Child Health J. 2016 May;20(5):1054–1060. doi: 10.1007/s10995-015-1891-y

Table 2.

Prediction of Smoking Status at Intake Using Stepwise Logistic Regression Analysis

Independent variable	β	Standard Error β	Wald Chi- Square	95.0% CI	p	OR (95CI)
*Intercept*	4.151	1.417	8.582	1.374;6.928	.003
Postnatal Depression Scale	0.083	0.038	4.872	0.009;0.156	.027	1.086 (1.009;1.169)
Readiness to quit	−0.053	0.015	12.242	(−0.083);(−0.023)	.000	0.948 (0.920;0.977)
# of children	0.391	0.156	6.260	0.085;0.697	.012	1.478 (1.088;2.008)

Note: (Distribution: BINOMIAL, Link function: LOGIT Modeled probability that Smoking status = smoker)