Table 2

Univariate and multivariate logistic modelling of factors associated with a lifetime history of STI (n=466)

VariablesUnadjusted univariate logistic regression analyses, OR (95% CI)p ValueAdjusted multivariate logistic regression analyses,* OR (95% CI)p Value
Sociodemographic variables
 Age1.03 (0.99 to 1.09)0.09
 Education1.08 (0.46 to 2.53)0.87
 Income1.00 (1.00 to 1.00)0.22
 Ethnicity (person of colour vs white)0.80 (0.47 to 1.36)0.41
 Sexual orientation
  Queer (ref)1
  Bisexual2.42 (1.37 to 4.27)0.002
  Lesbian0.43 (0.22 to 0.84)0.01
  Gay0.21 (0.03 to 1.62)0.14
 Transgender or gender queer0.39 (0.15 to 1.01)0.05
 Relationship status
  Multiple partners (ref)
  Other0.56 (0.19 to 1.59)0.27
  Married0.60 (0.24 to 1.51)0.28
  Cohabitating0.31 (0.14 to 0.67)0.001
  Dating0.32 (0.14 to 0.74)0.002
  Casual dating0.68 (0.27 to 1.67)0.40
  No current partners0.29 (0.11 to 0.77)0.01
Intrapersonal factors
 Perception of HIV risk2.20 (1.42 to 3.41)0.00042.28 (1.42 to 3.66)0.007
 Perception of STI risk1.86 (1.32 to 2.61)0.00031.88 (1.28 to 2.76)0.006
 STI knowledge1.10 (1.02 to 1.19)0.011.08 (1.00 to 1.17)0.04
Interpersonal factors
 Male sex partners in past 3 months4.00 (2.46 to 6.52)0.000023.52 (2.06 to 6.02)0.004
 Number of lifetime sexual partners1.03 (1.01 to 1.04)0.011.03 (1.01 to 1.04)0.01
Structural factors
 Enacted sexual stigma5.64 (1.08 to 29.43)0.046.50 (1.10 to 38.31)0.04
 History of forced sex2.18 (1.35 to 3.53)0.0022.38 (1.44 to 3.93)0.003
 Perceived sexual stigma2.08 (1.12 to 3.87)0.022.09 (1.08 to 4.03)0.03
 Barrier: belief HCP not comfortable with sexual orientation2.00 (1.10 to 3.63)0.021.97 (1.06 to 3.67)0.03
 Perceived as gender non-conforming (eg, butch/stud/masculine)0.59 (0.46 to 0.76)0.000070.58 (0.45 to 0.76)0.001
 Barrier: do not have the time1.71 (1.03 to 2.84)0.041.48 (0.88 to 2.49)0.14
Sexual healthcare access
 Ever had an STI test4.27 (1.66 to 10.99)0.0023.89 (1.49 to 10.14)0.01
 Ever had an HIV test2.95 (1.49 to 5.82)0.0032.76 (1.38 to 5.52)0.004
 Pap test in past 2 years2.76 (1.48 to 5.17)0.0012.38 (1.24 to 4.56)0.01
 Had STI test in past 2 years2.36 (1.44 to 3.87)0.0012.02 (1.20 to 3.39)0.01
 Had HIV test in past 2 years1.61 (1.01 to 2.56)0.041.33 (0.82 to 2.16)0.24
  • Note: 83.1% correct classification of cases; Hosmer–Lemeshow (χ2=7.90, p=0.44), R2=0.17 (Cox and Snell) and R2=0.28 (Nagelkerke).

  • *Adjusted for sexual orientation and relationship status.

  • HCP, healthcare provider; STI, sexually transmitted infection.