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. Author manuscript; available in PMC: 2022 Oct 11.
Published in final edited form as: Ann Epidemiol. 2022 Apr 8;72:1–8. doi: 10.1016/j.annepidem.2022.03.012

Table 3.

Recent sex work, mental health, and substance at the COPE study baseline (October 2017 – August 2019) among Thai MSM and TGW who exchanged sex in the prior 12 months (n=890).

Total Indication of sex work in last 30 days from any question Indication of sex work from primary or secondary questions
No (n=460) Yes (n=430) Primary (n=270) Secondary only (n=160)
n (%) n (%) n (%) p n (%) n (%) p
Hazardous alcohol use 438 (49) 193 (42) 245 (57) <0.001 156 (58) 89 (56) 0.96
Have ever used drugs 211 (24) 79 (17) 132 (31) <0.001 85 (31) 47 (29) 0.66
Used drugs in last 3 months 130 (15) 44 (10) 86 (20) <0.001 59 (22) 27 (17) 0.19
Used marijuana in last 3 months 16 (2) 6 (1) 10 (2) 0.41 8 (3) 2 (1) 0.36
Used poppers (amyl nitrate) in last 3 months 86 (10) 31 (7) 55 (13) 0.001 39 (14) 16 (10) 0.090
Used cocaine in last 3 months 6 (1) 4 (1) 2 (0) 0.50 2 (1) 0 (0) 0.53
Used methamphetamines in last 3 months 52 (6) 12 (3) 40 (9) <0.001 25 (9) 15 (9) 0.99
Used ecstasy in last 3 months 7 (1) 4 (1) 3 (1) 0.68 2 (1) 1 (1) 0.99
Used Viagra in last 3 months 45 (5) 15 (3) 30 (7) 0.006 20 (7) 10 (6) 0.58
Injected any drugs in last 3 months 31 (4) 10 (2) 21 (5) 0.053 12 (4) 9 (6) 0.95
Feeling down, sad or uninterested in life, mean (SD) 2.55 (2.32) 2.46 (2.32) 2.64 (2.31) 0.24 2.69 (2.22) 2.58 (2.47) 0.64
Feeling anxious or nervous, mean (SD) 2.81 (2.23) 2.78 (2.16) 2.83 (2.30) 0.89 2.82 (2.17) 2.86 (2.52) 0.76
Feeling stressed, mean (SD) 3.53 (2.41) 3.47 (2.39) 3.60 (2.44) 0.45 3.67 (2.36) 3.50 (2.57) 0.50
Feeling angry, mean (SD) 2.48 (2.11) 2.46 (2.14) 2.50 (2.08) 0.92 2.52 (2.02) 2.47 (2.17) 0.99
Not having social support, mean (SD) 2.53 (2.50) 2.38 (2.41) 2.69 (2.58) 0.071 2.74 (2.56) 2.62 (2.62) 0.76

Note: MSM = men who have sex with men; TGW = transgender women. Primary question for sex work: “In the last 30 days, have you sold or traded sex?” Secondary questions for sex work: “In the last 30 days, what were your sources of income?”; “Is transactional sex your primary source of income?”; “In the last 30 days, if you have sold or exchanged sex, where did you meet your partner(s)?”; “In the last 7 days, with how many partners did you have anal sex in exchange for money, drugs or anything else of value?”