Effects of Adult Male Circumcision on Premature Ejaculation: Results from a Prospective Study in China
Table 1
Demographic information and sexual status for all subjects (circumcision and control groups) before circumcision.
All
Circumcision group
Control group
value
()
()
()
Age, years
35.88 ± 10.42
35.29 ± 9.81
36.42 ± 11.30
0.53
Lifestyle
Smoking
734 (61.27)
359 (62.43)
375 (60.19)
0.43
Alcohol
542 (45.24)
272 (47.30)
270 (43.34)
0.17
Educational status
0.49
Primary school
153 (12.77)
82 (14.26)
71 (11.40)
Middle school
204 (17.03)
99 (17.22)
105 (16.85)
High school
436 (36.39)
205 (35.65)
231 (37.08)
University
405 (33.81)
189 (32.87)
216 (34.67)
Occupational status
0.62
Workers
232 (19.37)
115 (20.00)
117 (18.78)
Drivers
167 (13.94)
76 (13.22)
91 (14.61)
Famers
295 (24.62)
141 (24.52)
154 (24.72)
Officials
139 (11.60)
60 (10.43)
79 (12.68)
Other occupations
365 (30.47)
183 (31.83)
182 (29.21)
Monthly income, RMB
1630.16 ± 257.23
1,613.27 ± 244.16
1645.74 ± 280.25
0.57
Resident
0.31
Urban
768 (64.11)
377 (65.57)
391 (62.76)
Rural
430 (35.89)
198 (34.43)
232 (37.24)
Duration of the relationship, years
9.70 ± 4.21
9.63 ± 4.03
9.75 ± 4.59
0.41
Frequency of sexual intercourse, time/4 weeks
6.61 ± 3.24
6.45 ± 3.85
6.74 ± 4.45
0.39
Self-estimated IELT, minutes
1.56 ± 0.75
1.58 ± 0.74
1.55 ± 0.78
0.74
IIEF-5, scores
22.03 ± 4.82
22.05 ± 4.74
22.01 ± 4.92
0.67
Data were expressed as number (percentage) or mean ± standard deviation. Differences between circumcision and control groups were assessed by Chi-square test or -test, as appropriate. RMB: Renminbi; IELT: intravaginal ejaculatory latency time; IIEF-5: 5-item version of the International Index of Erectile Function.