Table 2.

Spearman correlation coefficient for correlation between behavioral variables and the number of lineage migration events

Variables	No. of export. events		No. of import. events
	r	P	r	P
Risky sexual practices
A proportion of PWID who reported participating in group sex	0.21	0.64	−0.82	0.04
Safe sexual practices
A proportion of PWID who always used condoms with casual partners	0.04	0.94	−0.86	0.03
A proportion of PWID who always used condoms with commercial partners	0.07	0.88	−0.75	0.05
Regional level epidemiological characteristics
No. of IDP relocated to and registered in a location	0.96	<0.01	0.14	0.76
No. of HIV-positive IDP relocated to and registered in a location	0.43	0.34	0.86	0.03
HIV prevalence in general population	0.75	0.05	0.18	0.7

r, correlation coefficient. Significant P values are shown in bold.