A prospective study of effects of psychological factors and sleep on obstetric interventions, mode of birth, and neonatal outcomes among low-risk British Columbian women

Table 3 Hierarchical logistic regression model, testing predictors of epidural anesthesia

	Beta	Wald	SE	p	OR	95 % CI
Step 1
Age > 35	−0.048	0.038	0.249	0.846	0.953	0.585-1.553
Multiparity	−1.482	36.896	0.244	< 0.001	0.227	0.141-0.366
Infant macrosomia	0.375	2.213	0.252	0.137	1.455	0.888-2.385
Previous caesarean section	−0.781	2.646	0.480	0.104	0.458	0.179-1.174
Fatigue	−0.017	2.271	0.011	0.132	0.984	0.963-1.005
Sleep deprivation	0.262	1.224	0.237	0.269	1.300	0.817-2.070
Support	−0.036	0.633	0.045	0.426	0.965	0.884-1.053
Step 2
High fear	0.702	8.646	0.239	0.003	2.018	1.264-3.223
High anxiety	−0.089	0.124	0.254	0.725	0.915	0.556-1.504

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