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Table 1 The sociodemographic characteristics, sexual behaviour, HIV status, and STIs among different GBMSM chemsex groups

From: Experiences of harm and mental ill-health among gay, bisexual and other men-who-have-sex-with-men who use methamphetamine or GHB/GBL in different combinations: findings from the COMeT study in Taiwan

 

Total

N (%)

N = 510

M−

n (%)

123 (24.1)

M+G−

n (%)

188 (36.9)

M+G+ 

n (%)

199 (39.0)

χ2

p-value

Sociodemographic characteristics

  

 Age (years old)

6.98

0.137

  20–29

175 (34.3)

34 (27.6)

68 (36.2)

73 (36.7)

  

  30–39

246 (48.2)

59 (48.0)

89 (47.3)

98 (49.3)

  

    > 39

89 (17.5)

30 (24.4)

31 (16.5)

28 (14.1)

  

 Education

3.98

0.409

  College or below

85 (16.7)

18 (14.6)

35 (18.6)

32 (16.1)

  

  College graduate

333 (65.3)

79 (64.2)

127 (67.6)

127 (63.8)

  

  Above college

92 (18.0)

26 (21.1)

26 (13.8)

40 (20.1)

  

 Income (NTD per month)

6.79

0.147

   < $15 K

55 (10.8)

12 (9.8)

17 (9.0)

26 (13.1)

  

  $15–$30 K

142 (27.8)

31 (25.2)

64 (34.0)

47 (23.6)

  

   > $30 K

313 (61.4)

80 (65.0)

107 (56.9)

126 (63.3)

  

Sexual behaviour

      

 Number of sexual partners in the past 12 months

34.12

 < 0.001***

    < 3

92 (18.0)

34 (27.6)

45 (23.9)

13 (6.5)

  

    3–5

125 (24.5)

30 (24.4)

47 (25.0)

48 (24.1)

  

    6–9

106 (20.8)

25 (20.3)

35 (18.6)

46 (23.1)

  

     > 9

187 (36.7)

34 (27.6)

61 (32.5)

92 (46.2)

  

 Condom use during chemsex in the past 3 months

52.99

 < 0.001***

  Inconsistent

429 (84.1)

79 (64.2)

162 (86.2)

188 (94.5)

  

  Consistent

81 (15.9)

44 (35.8)

26 (13.8)

11 (5.5)

  

HIV and STIs

  

 HIV status and PrEP uptake

53.47

 < 0.001***

  HIV negative, on PrEP

61 (12.0)

15 (12.2)

16 (8.5)

30 (15.1)

  

  HIV negative, not on PrEP

194 (38.0)

76 (61.8)

72 (38.3)

46 (23.1)

  

  HIV positive

255 (50.0)

32 (26.0)

100 (53.2)

123 (61.8)

  

 STIsa (excluding HIV infection)

44.78

 < 0.001***

  Never

282 (55.3)

97 (78.9)

104 (55.3)

81 (40.7)

  

  Any STIs

228 (44.7)

26 (21.1)

84 (44.7)

118 (59.3)

  
  1. HIV, human immunodeficiency virus; STIs, sexually transmitted infections; GBMSM, gay, bisexual, and other men-who-have-sex-with-men; M−, chemsex individuals who did not use methamphetamine in the past six months; M+G−, chemsex individuals who use methamphetamine but not GHB/GBL in the past six months; M+G+, chemsex individuals who used both methamphetamine and GHB/GBL in the past six months; NTD, New Taiwan Dollar; K, kilo dollar; PrEP, pre-exposure prophylaxis
  2. aSelf-reported diagnosis of sexually transmitted infections in the preceding 12 months was reported including gonorrhea, syphilis, anal and penile warts, genital herpes, amoebic colitis, chlamydia, shigellosis, and hepatitis virus infection (including type A, B, and C virus)
  3. *p < 0.05; **p < 0.01; ***p < 0.001