Sociodemographic characteristics of women who have sex with women, Beijing, China, 2010–2011.

1“WSW/M in the past year” refers to women who had had sex with both women and men in the past year, and “WSW exclusive in the past year” refers to women who had only had sex with women in the past year.2Other: 1 participant was married but living alone; 5 were divorced/widowed living alone; 2 were living with a man (not a spouse); 1 was living with a woman (not a partner).