Age
|
0.94
|
(0.87, 1.02)
|
0.91
|
(0.84, 0.99)
|
0.95
|
(0.83, 1.08)
|
0.92
|
(0.80, 1.06)
|
Chinese ethnicity (Ref = Non-Chinese)
|
0.83
|
(0.53, 1.32)
|
0.85
|
(0.53, 1.36)
|
0.75
|
(0.35, 1.57)
|
0.72
|
(0.35, 1.51)
|
Cisgender male (Ref = Transgender, genderqueer, or others)
|
0.83
|
(0.45, 1.53)
|
0.77
|
(0.43, 1.37)
|
1.59
|
(0.39, 6.37)
|
1.42
|
(0.36, 5.63)
|
Gay (Ref = Bisexual, queer, or others)
|
1.13
|
(0.74, 1.71)
|
1.04
|
(0.67, 1.60)
|
1.32
|
(0.64, 2.73)
|
1.19
|
(0.57, 2.46)
|
Monthly household income ≥ SGD5000 (Ref < SGD5000)
|
0.82
|
(0.55, 1.22)
|
0.79
|
(0.52, 1.19)
|
0.90
|
(0.47, 1.72)
|
0.88
|
(0.46, 1.67)
|
Classes
|
Substance-naïve
|
Ref
|
Ref
|
Ref
|
Ref
|
Ref
|
Ref
|
Ref
|
Ref
|
Substance-novice
|
1.99
|
(1.36, 2.92)
|
2.24
|
(1.51, 3.33)
|
1.93
|
(1.03, 3.61)
|
2.01
|
(1.05, 3.85)
|
Chemsex
|
3.10
|
(1.75, 5.49)
|
3.28
|
(1.85, 5.79)
|
1.60
|
(0.40, 6.39)
|
1.64
|
(0.42, 6.38)
|