Table 3 Univariate and multivariate analysis of factors associated with willingness to participate in free HIV testing

Gender

Male

1.00

1.00

1.00

1.00

Female

0.95(0.90–1.00)

0.99(0.94–1.05)

0.93(0.89–0.98) **

0.94(0.90–0.98) **

Ethnicity

Han

1.00

1.00

1.00

Minorities

0.99(0.92–1.06)

0.94 (0.88–1.00) *

0.97 (0.92–1.03)

Age (Years)

15–20

1.00

1.00

1.00

1.00

21–50

1.10(0.97–1.24)

1.13(0.99–1.28)

1.24(1.10–1.40) **

1.14 (0.99–1.32)

51–69

1.04(0.91–1.18)

1.09(0.95–1.27)

1.21(1.06–1.37) **

1.13 (0.98–1.32)

Marital status

Single

1.00

1.00

1.00

1.00

Married/cohabitating

0.95(0.89–1.01)

0.94(0.88–1.01)

1.10(1.02–1.18) *

1.05(0.97–1.15)

Divorced/widowed

0.87(0.74–1.02)

0.84(0.71–0.99) *

1.17 (1.00–1.37) *

1.07(0.91–1.27)

Education

Primary school or less

1.00

1.00

Middle school

0.94 (0.85–1.04)

0.89(0.81-0.89)*

1.02 (0.97–1.07)

0.99(0.95–1.04)

Over high school

0.99 (0.91–1.09)

0.90(0.83-0.99)*

1.05 (0.97–1.14)

0.98(0.90–1.05)

Employment

Unemployed

1.00

1.00

Employed

1.06 (0.96–1.17)

0.94(0.88–1.00)

Time in city

< 2 years

1.00

1.00

≥ 2 years

0.95 (0.89–1.02)

0.95 (0.88–1.03)

Household per-capita income (CNY/month)

<1000

1.00

1.00

1.00

1.00

1000–2000

1.09(1.02–1.16) **

1.07(1.01–1.14)*

1.00 (0.95–1.06)

0.98 (0.93–1.03)

≥2000

1.03 (0.94–1.12)

1.01(0.92–1.10)

0.93 (0.85–1.01)

0.92 (0.85–0.99) *

HIV/AIDS Knowledge

Is AIDS a contagious disease?

1.10(1.02–1.19) *

0.99(0.92–1.08)

1.11 (1.03–1.19) **

1.02(0.95–1.10)

Can an apparently healthy person be a carrier for HIV?

1.14(1.06–1.22) **

1.12(1.03–1.21)**

1.13 (1.08–1.19) **

1.07(1.01–1.13) *

At present, is there a vaccine to protect against HIV?

1.10 (1.05–1.15) **

At present, is AIDS curable?

1.02 (0.96–1.08)

0.95(0.89–1.02)

1.11 (1.06–1.17) **

1.02 (0.97–1.08)

Awareness of transmission modes score

1.05(1.03–1.07) **

1.02(1.00–1.05)

1.05(1.03–1.06)**

1.03(1.01–1.06)**

Awareness of transmission misconceptions score

1.03(1.02–1.05) **

1.02(1.00–1.04) *

1.03 (1.02–1.04) **

1.01(0.99–1.02)

Stigma attitude score

1.00(0.97–1.03)

1.02(1–1.05)

Total Knowledge score

1.02(1.01–1.03) **

1.02(1.01–1.03) **