Table 3

Univariable and multivariable analyses of determinants associated with non-consensual sex* in the past 5 years among 891 MSM recruited on online dating apps between August 2018 and August 2019, the Netherlands

Univariable,
OR (95% CI)
P valueMultivariable, aOR (95% CI)
Chemsex
P valueMultivariable, aOR (95% CI)
Mephedrone
P valueMultivariable, aOR (95% CI)
GHB/GBL
P valueMultivariable, aOR (95% CI)
Crystal meth
P value
Age (IQR), years0.96 (0.90 to 0.98)<0.0010.96 (0.95 to 0.98)<0.0010.97 (0.95 to 0.98)<0.0010.96 (0.95 to 0.98)<0.0010.96 (0.95 to 0.98)<0.001
Condomless anal chemsex†0.151
 No1
 Yes1.33 (0.90 to 1.96)
Sex in <6 months with0.0030.0070.0120.0070.007
 Men11111
 Men and women2.38 (1.36 to 4.19)2.21 (1.24 to 3.92)2.10 (1.18 to 3.75)2.20 (1.24 to 3.91)2.22 (1.25 to 3.96)
Chemsex† <6 months0.1020.044
 Not using chems during sex11
 Using chems during sex1.35 (0.94 to 1.93)1.46 (1.01 to 2.11)
Mephedrone (M) use <6 months0.0100.023
 Not using M during sex11
 Using M during sex2.06 (1.19 to 3.59)1.93 (1.10 to 3.40)
GHB/GBL (G) use <6 months0.1600.079
 Not using G during sex11
 Using G during sex1.30 (0.90 to 1.88)1.40 (0.96 to 2.04)
Crystal methamphetamine use (C) <6 months0.0070.003
 Not using C during sex11
 Using C during sex1.98 (1.20 to 3.26)2.18 (1.25 to 3.96)
  • *Non-consensual sexual experience was defined as ‘where someone went beyond your limits or where you had an unpleasant experience’ (eg, filmed/photographed without consent, had sexual contact against their will).

  • †The use of any combination of drugs, including crystal methamphetamine, mephedrone, and/or GHB/GBL before or during sex.

  • aOR, adjusted OR; GHB/GBL, gamma-hydroxybutyrate/gamma-butyrolacton; MSM, men who have sex with men.