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Table 2 The comparisons of harm experiences and mental health 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

Variable

Total

M−

M+G−

M+G+

χ2

p-value

 

N

%

n

%

n

%

n

%

Harm experienced after a chemsex session

Physical experiences

  Eating problems

281

55.1

37

30.1

103

54.8

141

70.9

51.09

 < 0.001*

  Missing PrEP or HIV drugs

84

16.5

7

5.7

33

17.6

44

22.1

15.15

0.001*

  Any physical experiences

298

58.4

37

30.1

111

59.0

150

75.4

64.26

 < 0.001*

Social experiences

  Having difficulty getting out of Bed or standing up

114

22.4

15

12.2

38

20.2

61

30.7

15.71

 < 0.001*

  Absence from work

116

22.8

9

7.3

40

21.3

67

33.7

30.40

 < 0.001*

  Missing dates or appointments

144

28.2

12

9.8

44

23.4

88

44.2

47.99

 < 0.001*

  Being verbally offensive to others

56

11.0

5

4.1

26

13.8

25

12.6

8.09

0.018

  Having physical assaults on others

8

1.6

0

0.0

5

2.7

3

1.5

3.41

0.181

  Being unable to remember what Happened

53

10.4

8

6.5

20

10.6

25

12.6

3.02

0.221

  Spending more money on drugs than as intended

107

21.0

10

8.13

39

20.7

58

29.2

20.26

 < 0.001*

  Spending more time with drugs and sex than as intended

209

41.0

23

18.7

73

38.8

113

56.8

46.16

 < 0.001*

  Trading sex for drugs

56

11.0

4

3.3

23

12.2

29

14.6

10.45

0.005

  Appearing “High” at work

146

28.6

16

13.0

54

28.7

76

38.2

23.60

 < 0.001*

  Any social experiences

346

67.8

46

37.4

131

69.7

169

84.9

79.16

 < 0.001*

Psychological experiences

  Unstable mood

185

36.3

29

23.6

64

34.0

92

46.2

17.52

 < 0.001*

  Anxiety

197

38.6

29

23.6

69

36.7

99

49.8

22.43

 < 0.001*

  Auditory hallucination

91

17.8

8

6.5

34

18.1

49

24.6

17.04

 < 0.001*

  Paranoid

118

23.1

9

7.3

49

26.1

60

30.2

23.72

 < 0.001*

  Sleep problem

330

64.7

46

37.4

127

67.6

157

78.9

58.37

 < 0.001*

  Any psychological experiences

382

74.9

55

44.7

147

78.2

180

90.5

86.30

 < 0.001*

Mental health indicators

 Mood-related problems

190

37.3

33

26.8

66

35.1

91

45.7

12.20

0.002*

 Suicide ideation

141

27.7

20

16.3

51

27.1

70

35.4

13.86

0.001*

 Loneliness

487

95.5

112

91.1

182

96.8

193

97.0

7.40

0.025

 Sexual well-being

408

80.6

101

82.8

145

78.4

162

81.4

1.04

0.594

  1. 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; PrEP, pre-exposure prophylaxis; HIV, human immunodeficiency virus
  2. *p < 0.002 (Bonferroni's adjusted alpha level for multiple comparisons αalter = 0.05/21 = 0.00238)
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Harm Reduction Journal

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