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Table 1 Prevalence of risk behaviors in the nationwide online survey and Guangzhou sentinel surveillance data, 2014

From: Identifying high risk subgroups of MSM: a latent class analysis using two samples

 

Nationwide online survey (N = 582)

Guangzhou Sentinel Surveillance (N = 604)

% (95% CI)a

% (95% CI)a

Demographics

 Age

Under 24

37.8% (34–41.8%)

26.8% (23.4–30.5%)

25 or older

62.2% (58.2–66.1%)

73.2% (69.5–76.6%)

 Education

Less than high school

18.6% (15.6–21.9%)

25.3% (22–29%)

High school or more

81.4% (78.1–84.4%)

74.7% (71.1–78%)

 Marital status

Married

10.5% (8.3–13.2%)

12.1% (9.7–14.9%)

Not married

89.5% (86.8–91.8%)

87.9% (85.1–90.3%)

 Income

<3000RMB a month

46.4% (42.4–50.5%)

31.8% (28.2–35.6%)

≥3000RMB a month

53.6% (49.6–57.6%)

68.2% (64.4–71.8%)

Behaviors

 Identify as gayb

Yes

78.2% (74.6–81.3%)

73.3% (69.7–76.7%)

No

21.8% (18.7–25.4%)

26.7% (23.3–30.3%)

 Main sex partner seeking venue

Online

85.9% (82.9–88.5%)

86.9% (83.9–89.3%)

Not online

14.1% (11.5–17.2%)

13.1% (10.7–16.1%)

Missing

0.0

0.3% (0.1–1.2%)

 Sexual position

Usually insertive

61.5% (57.5–65.4%)

66.2% (62.3–69.8%)

Usually receptive

38.5% (34.6–42.5%)

33.8% (30.2–37.7%)

Missing

0.0

0.7% (0.2–1.7%)

 First age of anal sex with another man

< 20 years old

45.4% (41.4–49.5%)

31.4% (27.5–35.6%)

≥20 years old

54.6% (50.4–58.5%)

68.6% (64.8–72.2%)

Missing

0.0

16.2% (13.5–19.4%)

 Any UAI in the past 6 months

Yes

59.6% (55.6–63.5%)

61.8% (57.8–65.5%)

No

40.4% (36.5–44.4%)

38.3% (34.5–42.2%)

 Any group sex in past 6 months/yearc

Yes

12.4% (9.9–15.3%)

3.8% (2.5–5.9%)

No

87.6% (84.7–90.1%)

96.2% (94.3–97.4%)

Missing

0% (0–0%)

13.7% (11.2–16.7%)

 Any drug use in the 6 months/yearc

Yes

28.4% (24.8–32.1%)

25.3% (22–29%)

No

71.7% (67.9–75.2%)

74.7% (71.1–78%)

  1. aWald (normal approximation) confidence intervals for proportions were calculated with an alpha level of 5%. For variables with cell counts < 5 Clopper-Pearson confidence intervals were calculated
  2. b Self-reported as “gay,” as opposed to “bisexual,” “straight,” or “other”
  3. c Nationwide survey: within the past year; Guangzhou sentinel surveillance data: within the past 6 months