Table 3.

The mediating effect of menstrual irregularity on the association between obesity and sexual function

Characteristics	Model without menstrual irregularity			Model with menstrual irregularity
	B	se	P	B	se	P
Age
< 25
25–30	-1.13	0.86	0.19	-1.74	0.84	0.04
31–35	-0.95	0.89	0.28	-1.53	0.86	0.08
36–40	-0.12	0.99	0.91	-0.98	0.96	0.31
>40	-1.30	1.02	0.20	-1.82	0.98	0.07
Household registration
rural
urban	0.65	0.45	0.15	0.58	0.44	0.18
Employment
No
Yes	-0.34	0.52	0.51	-0.36	0.50	0.47
Household income
≤ 20,000
20,000–50,000¥	1.22	0.60	0.04	1.20	0.58	0.04
50,000-100,000¥	0.94	0.61	0.12	0.78	0.59	0.18
≥ 100,000	1.91	0.72	0.01	1.63	0.70	0.02
Education
Junior high school and below
High school	0.32	0.53	0.55	0.27	0.51	0.59
university and above	1.45	0.57	0.01	1.17	0.55	0.03
Number of deliveries
1
> 1	0.21	0.45	0.64	0.10	0.43	0.82
Delivery mode
Vaginal delivery
Cesarean section	0.55	0.45	0.22	0.43	0.43	0.32
Pregnancy complications
No
Yes	-0.48	0.88	0.59	-0.54	0.85	0.53
History of pelvic surgery
No
Yes	0.50	0.53	0.35	0.12	0.52	0.82
BMI
normal
underweight	-0.62	0.63	0.32	-0.92	0.61	0.13
overweight	-2.09	0.55	0.00	-2.03	0.53	0.00
obese	-4.44	1.14	0.00*	-3.74	1.11	0.00*
menstrual irregularity
	-	-	-	-3.41	0.45	0.00*

Note: BMI body mass index, B unstandardized regression coefficient, se standard error, *p < 0. 05