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. Author manuscript; available in PMC: 2018 Jan 22.
Published in final edited form as: Sex Health. 2016 Jul 22:10.1071/SH15144. doi: 10.1071/SH15144

Table 4.

Factors associated with preference for rectal microbicides, injectable PrEP and oral PrEP (N=548)

Preference for Rectal Microbicide Preference for Injectable PrEP Preference for Oral PrEP

OR (95% CI) aOR (95% CI) OR (95% CI) aOR (95% CI) OR (95% CI) aOR (95% CI)

Age 0.95 (0.92 to 0.99) 0.95 (0.91 to 0.99) 1.06 (1.02 to 1.11) 1.08 (1.03 to 1.14) 1.01 (0.96 to 1.06) 1.00 (0.95 to 1.06)

Current Province
 Ho Chi Minh City 1.00 1.00 1.00 1.00 1.00 1.00
 Hanoi 0.89 (0.48 to 1.66) 0.91 (0.47 to 1.75) 1.52 (0.74 to 3.15) 1.71 (0.79 to 3.70) 0.75 (0.32 to 1.75) 0.66 (0.27 to 1.59)
 Other 1.34 (0.87 to 2.06) 1.27 (0.80 to 2.02) 0.91 (0.52 to 1.57) 0.98 (0.54 to 1.76) 0.69 (0.39 to 1.21) 0.68 (0.37 to 1.23)

University or above versus less than university education 0.95 (0.62 to 1.45) 1.17 (0.72 to 1.89) 1.03 (0.60 to 1.77) 0.80 (0.43 to 1.46) 1.06 (0.62 to 1.82) 1.01 (0.56 to 1.84)

Sexual identity
 Gay/homosexual 1.94 (0.58 to 6.46) 1.68 (0.49 to 5.82) 0.89 (0.31 to 2.55) 0.94 (0.29 to 3.04) 0.58 (0.15 to 2.27) 0.59 (0.14 to 2.51)
 Bisexual 1.81 (0.54 to 6.09) 1.53 (0.44 to 5.31) 0.92 (0.31 to 2.74) 0.94 (0.29 to 3.05) 0.62 (0.15 to 2.47) 0.71 (0.17 to 3.05)
 Heterosexual NA NA 4.47 (0.59 to 33.6) 8.91 (0.92 to 86.2) 4.42 (0.43 to 45.0) 3.34 (0.27 to 41.6)
 Unsure/questioning 2.03 (0.60 to 6.81) 1.85 (0.53 to 6.49) 1.33 (0.46 to 3.85) 1.35 (0.42 to 4.35) 0.28 (0.06 to 1.31) 0.28 (0.06 to 1.40)

Sexually active, past 12 months 0.85 (0.55 to 1.30) 0.68 (0.40 to 1.16) 0.81 (0.48 to 1.36) 0.91 (0.48 to 1.75) 1.69 (0.93 to 3.05) 2.12 (1.05 to 4.30)

Used any health service, past 12 months 1.27 (0.88 to 1.83) 1.46 (0.97 to 2.20) 0.79 (0.50 to 1.25) 0.70 (0.42 to 1.17) 0.87 (0.55 to 1.37) 0.79 (0.48 to 1.32)

STI tested in the past 12 months 0.80 (0.48 to 1.33) 0.70 (0.39 to 1.28) 0.98 (0.50 to 1.90) 0.96 (0.44 to 2.08) 1.44 (0.78 to 2.63) 1.71 (0.84 to 3.51)

HIV tested in the past 12 months 1.08 (0.75 to 1.57) 1.29 (0.82 to 2.04) 1.10 (0.69 to 1.75) 1.22 (0.69 to 2.15) 0.80 (0.50 to 1.28) 0.56 (0.31 to 1.01)

HIV knowledge score 1.03 (0.87 to 1.23) 1.05 (0.87 to 1.28) 1.06 (0.85 to 1.32) 1.01 (0.79 to 1.29) 0.90 (0.72 to 1.11) 0.91 (0.72 to 1.15)

Condomless receptive anal intercourse, past 3 months 1.06 (0.71 to 1.60) 1.00 (0.60 to 1.67) 0.79 (0.46 to 1.34) 0.96 (0.49 to 1.88) 1.14 (0.68 to 1.92) 1.03 (0.56 to 1.92)

Condomless insertive anal intercourse, past 3 months 1.27 (0.83 to 1.92) 1.59 (0.95 to 2.66) 0.84 (0.50 to 1.44) 0.89 (0.44 to 1.83) 0.81 (0.47 to 1.39) 0.55 (0.29 to 1.07)

Total number of partners, past 3 months 0.98 (0.94 to 1.03) 1.00 (0.95 to 1.05) 0.92 (0.93 to 1.04) 0.96 (0.90 to 1.04) 1.04 (0.99 to 1.08) 1.03 (0.98 to 1.09)

Depression 0.74 (0.49 to 1.11) 0.74 (0.48 to 1.13) 1.84 (1.12 to 3.05) 1.94 (1.13 to 3.33) 0.88 (0.53 to 1.44) 0.85 (0.51 to 1.42)

Alcohol dependency 1.04 (0.69 to 1.57) 1.16 (0.75 to 1.78) 0.98 (0.58 to 1.64) 0.92 (0.53 to 1.61) 0.95 (0.58 to 1.58) 0.90 (0.52 to 1.54)

Maximum willing to pay for PrEP 0.82 (0.73 to 0.92) 0.81 (0.72 to 0.92) 1.19 (1.04 to 1.36) 1.17 (1.01 to 1.35) 1.13 (0.98 to 1.30) 1.16 (1.00 to 1.35)

N=number; PrEP=pre-exposure prophylaxis; VND=Vietnamese dong; USD= United States dollar