. Author manuscript; available in PMC: 2012 Jun 1.

Published in final edited form as: Arthritis Rheum. 2011 Jun;63(6):1517–1521. doi: 10.1002/art.30327

Table 2.

Sub-fecundity among Women with RA Compared to Women with No Recorded RA

TTP:	Crude Odds Ratio (OR)^¶ /Fecundity Ratio (FR)^§	Adjusted^* OR /FR	95% Confidence Interval (for adjusted OR/FR)
>6 months	1.4	1.4	0.9, 2.0
>12 months	1.8	1.6	1.0, 2.4
4 categories: (0–2, 3–5, 6–12 or >12 months)	0.8	0.8	0.6, 1.0

^¶

OR’s are shown for the logistic regression models with TTP >6 months or >12 months as the outcome variables.

^§

FR’s are shown for the complementary log regression model with TTP as 4 categories.

Covariates that were adjusted for in the model were maternal age (as a continuous variable), parity (0, 1, 2, ≥3), BMI (continuous), socio-occupational status (categorical – 5 levels), alcohol consumption (categorical – 4 levels), and smoking (binary).