From: Evaluation of a birth preparation program on lumbopelvic pain, urinary incontinence, anxiety and exercise: a randomized controlled trial
BPP Group N (%)
Control Group N (%)
RR (95%CI)
n
Baseline
52 (53.6)
53 (53.0)
1.01 (0.78–1.31)
197
Intermediate evaluation
38 (42.7)
46 (62.2)
0.69 (0.51–0.93)
164
Final evaluation
35 (41.2)
52 (68.4)
0.60 (0.45–0.81)
161