Table 2.

Prevalence of STIs for migrants versus urban non-migrants and rural non-migrants in China

	Men, weighted % (n)					Women, weighted % (n)
	Overall	Migrants	Urban non-migrants	Rural non-migrants	P value*	Overall	Migrants	Urban non-migrants	Rural non-migrants	P value*
Any STI	2.09 (1688)	1.77 (234)	2.25 (1095)	2.05 (359)	0.900	2.66 (1737)	4.99 (198)	5.33 (1184)	1.62 (355)	0.010***
95% CI	1.33–3.28	0.63–4.87	1.42–3.53	1.07–3.89		1.68–4.18	2.90–8.46	4.12–6.86	0.64–4.00
Gonorrhoea	0.00 (1688)	0.00 (234)	0.00 (1095)	0.00 (359)	0.584	0.00 (1737)	0.20 (198)	0.30 (1184)	0.00 (355)	0.030**
95% CI	0.00–0.00	0.00–0.00	0.00–0.38	0.00–0.00		0.00–0.39	0.00–1.62	0.00–1.37	0.00–0.00
Chlamydia	2.07 (1688)	1.77 (234)	2.16 (1095)	2.05 (359)	0.941	2.59 (1737)	4.79 (198)	5.09 (1184)	1.62 (355)	0.013**
95% CI	1.31–3.26	0.63–4.87	1.36–3.41	1.07–3.89		1.65–4.05	2.74–8.24	4.07–6.33	0.64–4.00

Note: Prevalence rates based on urine test results; n = number of observations; CI = confidence interval

^*P value obtained from χ² test;

^**P < 0.05;

^***P < 0.01