Table 1 Comparison of baseline characteristics of men who have sex by infection status at cohort entry in Bangkok, Thailand, 2006–2012 (n = 960)

Age (years):

0.72

18–21

170, 17.7 %

144, 18.4 %

22–29

523, 54.5 %

412, 52. 6 %

≥30

267, 27.8 %

228, 29.1 %

Education:

<0.01

Primary

11, 1.1 %

47, 6.0 %

Secondary/Vocational

457, 47.6 %

469, 59.8 %

University or higher

492, 51.3 %

268, 34.2 %

Study/Work Status:

<0.01

Studying (or studying and employed)

380, 39.6 %

250, 31.9 %

Employed

545, 56.8 %

491, 62.6 %

Unemployed

35, 3.6 %

43, 5.5 %

Living Situation:

<0.01

With family

413, 43.0 %

246, 31.4 %

With partner

128, 13.3 %

133, 17.0 %

Alone/with roommate

419, 43.6 %

405, 51.7 %

Sexual Identity:

0.44

Homosexual

741, 77.2 %

615, 78.4 %

Bisexual

211, 22.0 %

158, 20.2 %

Transgender

8, 0.8 %

11, 1.4 %

Binge drinking

92, 9.6 %

116, 14.8 %

<0.01

Use club drugs^b,c

178, 18.5 %

191, 24.4 %

<0.01

Use nitrate inhalants^c

152, 15.8 %

168, 21.4 %

<0.01

Use drugs to enhance sex^c

135, 14.1 %

171, 21.8 %

<0.01

Use erectile dysfunction drugs^c

96, 10.0 %

106, 13.5 %

0.02

Engage in group sex^c

320, 33.3 %

301, 38.4 %

0.03

Coerced into sex^c

155, 16.1 %

146, 18.6 %

0.17

Pay for sex^c

140, 14.6 %

114, 14.5 %

0.98

Receive money for sex^c

147, 15.3 %

187, 23.9 %

<0.01

Casual male partners:^c

0.02

0–2

389, 40.5 %

274, 34.9 %

≥3

571, 59.5 %

510, 65.1 %

Condom use with casual male partners:^c

<0.01

Consistent (always)

444, 46.3 %

349, 44.5 %

Sometimes

203, 21.1 %

221, 28.2 %

Never

44, 4.6 %

22, 2.8 %

No anal intercourse

269, 28.0 %

192, 24.5 %