Table 2.

Effects of the intervention on the primary outcome (urinary incontinence symptom severity) at 2 months after randomization and 6 weeks post partum.

Study time	Follow-up time, mean (SD)a		Between-group differences, mean (95% CI)	P value	Linear mixed-effect model results (P valueb)
	Experimental group (n=63)	Control group (n=63)			Time	Group	Group×time
Baseline	4.98 (4.01)	4.30 (4.05)	N/Ac	N/A	N/A	.55	N/A
2 months after randomization	2.52 (3.26)	5.09 (4.35)	−2.86 (−4.09 to −1.64)	<.001	.02	N/A	<.001
6 weeks post partum	1.85 (2.66)	4.30 (4.38)	−2.68 (−3.87 to −1.49)	<.001	.99	N/A	<.001

^aA higher score indicates a more severe urinary incontinence symptom.

^bAdjusted for prepregnancy BMI, abortion history, delivery mode, and urinary incontinence during pregnancy.

^cN/A: not applicable.