Table 4.

Crude and adjusted odds ratios for association between four or more psychotherapy sessions and pregnancy outcomes.

Outcomes	Unadjusted odds ratio	95% Confidence interval	Adjusted odds ratio	95% Confidence interval
Low Apgar Score	1.006	0.984–1.028	1.011	0.983–1.039
Low Birth Weight	1.061	1.023–1.101	1.050	1.002–1.100
High Maternal Weight Gain	0.941	0.891–0.994	0.921	0.859–0.988
Preterm Delivery	1.049	1.013–1.087	1.055	1.009–1.104

Four or more psychotherapy sessions (n = 219); less than 4 psychotherapy sessions (n = 5194).

Adjusted odds ratios control for maternal age, parity, antidepressant exposure during pregnancy, enrollment in a government insurance program, tobacco use during pregnancy, history of substance abuse, past diagnosis of an anxiety disorder, psychiatry or psychotherapy visit within two years prior to pregnancy, and maternal comorbidities (diabetes, hypertension, and major depressive disorder (ICD-9 codes (296.2x, 296.3x, or 311) during pregnancy).