Table 3.

Recent sexual behaviour, STI/HIV testing, and unmet testing need for STIs and HIV among GBMSM (cis/trans) recruited through Grindr, by data collection period (March–May 2017 (reference category) vs November–December 2021)

	2017 survey % (n)	2021 survey % (n)	uOR (95% CI)	P value	aOR (95% CI)*	P value
Sexual behaviours, STI testing and testing need in the lookback period
≥1 new male sex partner(s)	72.1 (1127)	81.1 (351)	1.66 (1.27–2.16)	<0.001	1.71 (1.29–2.26)	<0.001
≥5 new male sex partners	26.3 (412)	36.3 (157)	1.59 (1.27–1.99)	<0.001	1.71 (1.35–2.16)	<0.001
≥10 new male sex partners	12.7 (198)	17.3 (75)	1.45 (1.08–1.93)	0.013	1.53 (1.13–2.07)	0.006
Anal sex	76.1 (1440)	80.3 (351)	1.28 (0.99–1.66)	0.060	1.35 (1.02–1.77)	0.033
Condomless anal sex (CAS)	54.3 (1032)	67.1 (293)	1.72 (1.38–2.14)	<0.001	1.83 (1.46–2.31)	<0.001
≥2 CAS partners	30.2 (563)	48.5 (212)	2.18 (1.76–2.69)	<0.001	2.22 (1.78–2.77)	<0.001
≥5 CAS partners	10.3 (192)	21.1 (92)	2.32 (1.77–3.06)	<0.001	2.39 (1.80 –3.17)	<0.001
≥10 CAS partners	5.6 (104)	11.4 (50)	2.19 (1.53–3.12)	<0.001	2.24 (1.56–3.23)	<0.001
STI test	37.5 (664)	42.6 (186)	1.23 (1.00–1.53)	0.053	1.34 (1.07–1.68)	0.010
Unmet need for STI testing†	39.2 (631)	43.7 (191)	1.20 (0.97–1.49)	0.088	1.12 (0.89–1.40)	0.335
HIV testing and testing need of HIV-negative/untested participants in the lookback period
HIV test	45.5 (753)	48.5 (189)	1.13 (0.90–1.41)	0.287	1.25 (0.99–1.57)	0.065
Unmet need for HIV testing†	32.9 (494)	39.0 (152)	1.30 (1.03–1.64)	0.025	1.22 (0.96–1.56)	0.109

*Adjusted for age, gender identity, ethnicity and country of residence.

†Reported one or more new male sex partners and/or multiple CAS partners during lookback without reporting an STI/HIV test.

aOR, adjusted OR; GBMSM, gay, bisexual and other men who have sex with men; STI, sexually transmitted infection; uOR, unadjusted OR.