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Table 1 Baseline characteristics of study participants (N = 500)

From: Knowledge, attitude, and status of nitrite inhalant use among men who have sex with men in Tianjin, China

Participant variables Participants No. (%)
Age (years)
  ≤ 20 31(6.2)
 21–30 306 (61.2)
 31–40 107 (21.4)
 41–50 40 (8.0)
  > 50 16 (3.2)
Han Ethnic
 No 8 (1.6)
 Yes 492 (98.4)
Years of education
  ≤ 12 239 (47.8)
  > 12 261 (52.2)
Marital status
 Single 376 (75.2)
 Married/ divorced/widowed 124 (24.8)
Monthly income (RMB)
  ≤ 3000 390 (78.0)
  > 3000 110 (22.0)
Registered residence
 Not 182 (36.4)
 Yes 318 (63.6)
Occupation
 others 175 (35.0)
 Students 53 (10.6)
 Staff in company 151 (30.2)
 Service 114 (22.8)
Live status
 alone 274 (54.8)
 Only with homosexual partners 105 (21.0)
 With homosexual or heterosexual partners 61 (12.2)
 Only with heterosexual partners 59 (11.8)
Self-reported sexual orientation
 Bisexual, transgender, or uncertain 74 (14.0)
 Homosexual 425 (86.0)