Table 1.

Basic characteristics of the participants.

		FSFI < 23.45 (n = 822)	FSFI > 23.45 (n = 297)	P value
Age	38 (33, 43)	37 (33.42)	41 (35, 49.5)	<0.001
BMI	21.7 ± 2.5	21.52 ± 2.42	22.32 ± 2.72	0.012
TSH*	2.46 (1.78, 3.46)	2.36 (1.81, 3.37)	2.69 (1.76, 3.66)	0.484
fT3	5.02 ± 0.71	4.87 ± 0.55	5.45 ± 0.78	<0.001
fT4	17.0 ± 2.2	17.07 ± 2.14	16.72 ± 2.28	0.17
Tgab*	18.96 (14.16, 26.06)	17.91 (13.25, 230.74)	17.8 (14.17, 107.7)	0.335
TPOab*	8.06 (5.21, 13.97)	8.57 (5.48, 14.28)	6.97 (0.00, 12.24)	0.036
Systolic pressure	108.8 ± 13.5	108.37 ± 12.88	109.92 ± 15.20	0.352
Diastolic pressure	68 (63, 74.75)	68 (63, 74)	67 (62, 75.5)	0.962
Hypertension (Yes/No)	63/1056	42/780	21/276	0.239
Diabetes (Yes/No)	42/1077	27/795	15/282	0.211
Hashimoto’s disease (Yes/No)	78/1041	66/756	12/285	0.023
Perimenopause (Yes/No)	228/891	135/687	93/204	<0.001
Menopause (Yes/No)	39/1080	12/810	27/270	<0.001
Smoking				0.245
Never	1104	813	291
Current	15	9	6
Alcohol consumption				0.039
Never	1056	783	273
Rarely	63	39	24
Marital status				0.531
Married	1089	798	291
Unmarried	30	24	6
Educational status				<0.001
≤Middle School	507	339	168
≥University	612	483	129
Income (RMB/year)				<0.001
≤40,000	237	123	114
40,000–100,000	825	666	159
≥100,000	57	33	24
Physical activity				0.003
Never	210	135	75
Rarely	321	240	81
Frequently	588	447	141
Depression status				<0.001
No	906	213	693
Light	180	54	126
Medium	33	30	3
Severe	0	0	0
Parity*	1 (1, 1)	1 (1, 1)	1 (1, 1)	>0.999

fT3: free triiodothyronine; fT4: free thyroxine; TPOab: thyroid peroxidase antibody; Tgab: thyroglobulin antibody; TSH: thyroid stimulating hormone; BMI: body mass index.

*Presented as the median (interquartile range).

P < 0.05 indicates a significant difference.