Evaluation of the Psychological Status, Infertility-Associated Factors, and Erectile Function in Patients with Timely Ovulatory Intercourse Failure in China: Evidence from a Cross-Sectional Study

Table 1

Basic characteristics of the patients with or without TOIF.

Parameters	Subjects		value
	TOIF ()	Non-TOIF ()
Age (y),			<0.001
BMI (kg/m^2),			0.595
Residence			0.118
Rural	32 (12.12)	141 (16.32)
Urban	232 (87.88)	723 (83.68)
Education level, (%)			0.996
No higher than junior high school	24 (9.09)	77 (8.91)
High school	47 (17.80)	154 (17.82)
University and above	193 (73.11)	633 (73.27)
Monthly income (RMB), (%)			<0.001
<5000	78 (29.55)	403 (46.64)
5001-10000	116 (43.94)	310 (35.88)
10001-20000	46 (17.42)	103 (11.92)
>20000	24 (9.09)	48 (5.56)
Occupation, (%)			0.011
Office work	141 (53.41)	398 (46.07)
Manual labor work	71 (26.89)	216 (25.00)
Other	52 (19.70)	250 (28.93)
Smoking, (%)			0.004
Yes	106 (40.15)	267 (30.90)
No	158 (59.85)	597 (69.10)
Alcohol consumption, (%)			<0.001
Yes	112 (42.42)	239 (27.66)
No	152 (57.58)	625 (72.34)
Couple’s relationship, (%)			0.001
Good	238 (90.15)	828 (95.83)
Moderate or worse	26 (9.85)	36 (4.17)
Marital status, (%)			0.292
Primary	250 (94.70)	827 (95.72)
Secondary	14 (5.30)	37 (4.28)
Frequency of intercourse (/month), (%)			<0.001
<5	126 (47.73)	235 (27.20)
5-8	113 (42.80)	416 (48.15)
>9	25 (9.47)	213 (24.65)
Medical history
Type of infertility, (%)			0.182
Primary	182 (68.94)	633 (73.26)
Secondary	82 (31.06)	231 (26.74)
Duration of infertility, (%)			0.101
<2	70 (26.52)	205 (23.73)
2-4	112 (42.42)	431 (49.88)
>4	82 (31.06)	228 (26.39)
Cause of infertility, (%)			0.001
Known	192 (72.73)	709 (82.06)
Unknown	72 (27.27)	155 (17.94)
Hypertension, (%)			<0.001
Yes	24 (9.09)	22 (2.55)
No	240 (90.91)	842 (97.45)
Diabetes, (%)			0.024
Yes	9 (3.41)	10 (1.16)
No	255 (96.59)	854 (98.84)
Chronic prostatitis, (%)			0.001
Yes	47 (17.80)	90 (10.42)
No	217 (82.20)	774 (89.58)
Varicocele, (%)			0.060
Yes	72 (27.27)	291 (33.68)
No	192 (72.73)	573 (66.32)
Depression, (%)			0.391
Yes	38 (14.39)	145 (16.78)
No	226 (85.61)	719 (83.22)
Anxiety, (%)			<0.001
Yes	38 (14.39)	34 (3.94)
No	226 (85.61)	830 (96.06)
Semen quality, (%)
Sperm concentration (10^6/mL), (%)			<0.001
<5	38 (14.39)	32 (3.70)
5-15	64 (24.24)	247 (28.59)
>15	162 (61.37)	585 (67.71)
Progressive motility (%), (%)			<0.001
<5	17 (6.44)	14 (1.62)
5-20	37 (14.01)	67 (7.76)
20-32	102 (38.64)	381 (44.10)
>32	108 (40.91)	402 (46.52)