Table 3 Behavioural characteristics of Vietnamese men by sex with sex workers.

	Never (n = 312)	Ever (n = 101)	Bivariate	Multivariate p value*
Mean acculturation score†	15.4	13.6	0.008	0.1
Median lifetime number of female sex partners	2	13	0.001	0.001
Mean age at first sexual encounter (years)	21.2	20.0	0.03	0.7
Had sexually transmitted infection ever	6.2%	28%	<0.001‡	0.001
Condom use ever	80%	90%	0.03§	0.1
Ever had HIV test	52%	69%	0.01§	0.04

*Adjusted for the other variables in the table.

†Mean acculturation score—8‐point Likert scale items.

‡Fisher's exact test.

§χ² test with Yates correction.