Prevalence and associated factors of HIV self-testing among men who have sex with men in Ningbo, China: a cross-sectional study

Table 2 Factors associated with HIVST among study participants in Ningbo, China, 2019 (n = 699)

Factor	Unadjusted OR (CI)^b	P-value	Adjusted OR (CI)^b	P-value
Age (years)
18 ~	1.00		1.00
30 ~	0.72 (0.51–1.01)	0.054	0.49 (0.32–0.76)	0.001
≥ 40	0.20 (0.12–0.34)	< 0.001	0.07 (0.04–0.14)	< 0.001
Marital status
Married	1.00		–
Single	1.08 (0.78–1.48)	0.653	–	–
Education level
Middle school or less	1.00		1.00
High school	1.74 (1.17–2.57)	0.006	2.82 (1.70–4.69)	< 0.001
College or above	1.35 (0.92–1.99)	0.123	1.42 (0.92–2.20)	0.052
Local residence time
< 2	1.00		1.00
2	0.57 (0.40–0.82)	0.002	0.66 (0.44–1.00)	0.052
Monthly income (CNY)
< 5000	1.00		1.00
≥ 5000	1.95 (1.41–2.71)	< 0.001	1.35 (0.94–1.93)	0.100
Sexual orientation
Gay	1.00		1.00
Bisexual	0.46 (0.30–0.71)	< 0.001	0.49 (0.29–0.84)	0.009
Unknown/unsure	0.64(0.32–1.26)	0.198	0.71 (0.34–1.51)	0.379
Gay apps use
No	1.00		1.00
Yes	1.96 (1.26–3.07)	0.003	1.86 (1.13–3.05)	0.014
Multiple male sex partners^a
No	1.00		1.00
Yes	1.43 (1.02–2.00)	0.036	1.90 (1.29–2.80)	0.001
Frequency of male–male sexual contact (times/week)^a
< 1	1.00		1.00
≥ 1	1.63 (1.20–2.22)	0.002	1.86 (1.30–2.66)	0.001
Unprotected sex with men^a
No	1.00		–
Yes	0.77 (0.54–1.09)	0.134	–	–
Syphilis infection
No	1.00		1.00
Yes	3.39 (1.78–6.45)	< 0.001	5.48 (2.53–11.88)	< 0.001

^aIn the prior 6 months
^bUnivariate and multivariate regression analyses were used to generate odds ratios (ORs) and 95% confidence intervals (CIs)

ISSN: 1742-6405