Table 1.

Multilevel logistic regression model: factors associated with unfavorable pregnancy outcome in women with RA.

	Univariate analyses		Multivariate analyses
	Crude OR 95% CI	p	Adjusted OR 95% CI	p
Age	1.09 [1.01-1.19]	0.036	1.14 [1.02-1.28]	0.019
BMI	0.93 [0.83-1.04]	0.196	0.91 [0.77-1.08]	0.204
Nulliparity	4.18 [1.66-10.53]	0.003	6.16 [2.13-17.76]	0.002
Smoking	1.08 [0.29-3.36]	0.996	1.65 [0.37-7.22]	0.141
Disease activity*	1.06 [0.40-2.81]	0.911	0.98 [0.21-2.28]	0.753
Corticosteroids**	2.45 [1.05-5.68]	0.039	3.22 [1.09-9.57]	0.038
Biologics**	1.05 [0.11-3.54]	0.589	2.02 [0.70-4.12]	0.194

* Moderate or severe disease activity at least once during pregnancy.
** Use at least once during pregnancy