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Table 2 Cigarette smoking characteristics of the study population, by sexual orientation

From: Sexual orientation and smoking history: results from a community-based sample of youth in Shanghai, China

Cigarette smoking characteristics

Non-LGB (n = 5,705)

LGB (n = 594)

Heterosexual n (%)

Bisexual n (%)

Homosexual n (%)

Combined n (%)

Ever smoked cigarette

 No

3,724 (65.28)

311 (69.42)

110 (75.34)

421 (70.88)**

 Yes

1,981 (34.72)

137 (30.58)

36 (24.66)

173 (29.12)

Years when first smoked

 Aged <13

1,497 (85.15)

100 (84.03)

31 (91.18)

131 (85.62)*

 Aged ≥13

261 (14.85)

19 (15.97)

3 (8.82)

22 (14.38)

Current smoking

 No

4,789 (83.94)

381 (85.04)

130 (89.04)

511 (86.03)

 Yes

916 (16.06)

67 (14.96)

16 (10.96)

83 (13.97)

Smoking CPD

 Light smoking (CPD ≤ 10)

795 (86.79)

53 (79.10)

10 (62.50)

63 (75.90)**

 Moderate or heavy smoking(CPD > 10)

121 (13.21)

14 (20.90)

6 (37.50)

20 (24.10)

  1. CPD the number of cigarettes smoked per day
  2. ** p < 0.01