Effect of gestational weight gain on postpartum pelvic floor function in twin primiparas: a single-center retrospective study in China

Table 4 Results of multivariate logistic regression analysis of excessive GWG and abnormal pelvic floor function

Dependent variable	β	SE	Wald χ2	P value	OR (95% CI)	Power
Model 1^a
Abnormal vaginal dynamic pressure	2.095	1.057	3.930	0.047	8.128 (1.024, 64.517)	0.622
Injured type I muscle fibers	1.967	0.619	10.087	0.001	7.153 (2.124, 24.087)	0.970
Anterior vaginal wall prolapse	1.676	0.783	4.583	0.032	5.343 (1.152, 24.778)	0.646
Stress urinary incontinence	1.598	0.516	9.609	0.002	4.943 (1.800, 13.577)	0.905
Model 2^b
Abnormal vaginal dynamic pressure	2.097	1.058	3.928	0.047	8.144 (1.023, 64.814)	0.615
Injured type I muscle fibers	1.964	0.620	10.029	0.002	7.127 (2.114, 24.028)	0.968
Anterior vaginal wall prolapse	1.615	0.785	4.232	0.040	5.030 (1.079, 23.440)	0.612
Stress urinary incontinence	1.514	0.522	8.426	0.004	4.546 (1.635, 12.638)	0.868
Model 3^c
Abnormal vaginal dynamic pressure	2.084	1.063	3.847	0.049	8.038 (1.001, 64.514)	0.616
Injured type I muscle fibers	2.158	0.641	11.325	0.001	8.654 (2.462, 30.416)	0.978
Anterior vaginal wall prolapse	1.549	0.788	3.860	0.049	4.705 (1.004, 22.054)	0.568
Stress urinary incontinence	1.487	0.526	7.996	0.005	4.424 (1.578, 12.403)	0.849

Abbreviations: GWG Gestational weight gain
The independent variable is excessive GWG
P < 0.05 are highlighted in bold text
^aAdjusted for age, prepregnancy BMI, education level, and place of residence
^bBasis on Model 1, add pelvic and abdominal surgery, IVF-ET, and cervical surgery
^cBasis on Model 2, add the number of pregnancies, the total weight of newborns, and delivery mode

ISSN: 1471-2393