Table 2

Adjusted* ORs and 95% CIs for the association of probability of use of PREPs and covariates (n=40 724)

CovariatesUse of PREPs adjusted OR (95% CI)p Value
Age<0.001
 18–241.93 (1.65 to 2.26)
 25–391.41 (1.24 to 1.61)
 40–541.06 (0.93 to 1.21)
 55+1.00
Sex0.546
 Male1.02 (0.93 to 1.13)
 Female1.00
Race/ethnicity0.065
 Non-Hispanic black0.88 (0.74 to 1.05)
 Hispanic1.20 (1.01 to 1.42)
 Non-Hispanic AI/AN0.90 (0.70 to 1.16)
 Non-Hispanic A/H/PI1.16 (0.59 to 1.14)
 Other1.17 (0.87 to 1.57)
 Non-Hispanic white1.00
Education0.039
 Less than high school1.26 (1.05 to 1.51)
 High school diploma and some college1.21 (1.04 to 1.40)
 Bachelors or higher degree1.00
Occupation0.023
 Service1.15 (0.97 to 1.36)
 Sales1.04 (0.90 to 1.20)
 Farming1.01 (0.54 to 1.92)
 Construction0.93 (0.77 to 1.12)
 Production1.10 (0.92 to 1.30)
 Unemployed1.34 (1.10 to 1.65)
 Not in labour force1.02 (0.87 to 1.19)
 Professional1.00
Poverty status0.129
 ≤100%1.09 (0.95 to 1.25)
 >100% and ≤200%1.05 (0.92 to 1.19)
 >200% and ≤300%0.92 (0.80 to 1.04)
 >300%1.00
 No income information1.06 (0.89 to 1.27)
Region0.023
 Midwest1.07 (0.94 to 1.23)
 South1.18 (1.03 to 1.34)
 West1.19 (1.03 to 1.38)
 Northeast1.00
Heaviness of smoking index<0.001
 01.00
 11.15 (0.99 to 1.34)
 21.17 (1.02 to 1.34)
 31.26 (1.12 to 1.42)
 41.33 (1.15 to 1.54)
 51.55 (1.26 to 1.90)
 61.41 (1.09 to 1.83)
Intention to quit<0.001
 Yes1.20 (1.10 to 1.31)
 No1.00
  • *Adjusted for the effect of all covariates.

  • AI, American Indian; AN, Alaskan Native; A, Asian; H, Hawaiian; PI, Pacific Islander; PREPs, potentially reduced exposure products.