TABLE 1—
Sociodemographic Characteristics of Women Who Reported Sex Exclusively With Men (WSEM), Women Who Reported Sex With Women and Men (WSWM), and Women Who Reported Sex Exclusively With Women (WSEW) in Natsal 2000: Great Britain
| Sociodemographic Characteristic | WSEM, % | WSWM, % | WSEW, % | Pa |
| Age, y | < .001 | |||
| 16–24 | 22.9 | 42.4 | 4.9 | |
| 25–34 | 39.6 | 37.6 | 51.0 | |
| 35–44 | 37.5 | 20.0 | 44.2 | |
| Marital or partnership status | < .001 | |||
| Married | 48.0 | 14.0 | 0.0 | |
| Heterosexual cohabitation | 19.0 | 33.8 | 0.0 | |
| Homosexual cohabitation | 0.0 | 4.2 | 64.4 | |
| Previously married | 7.6 | 8.2 | 5.2 | |
| Never married | 25.4 | 39.8 | 30.4 | |
| Have any natural children | 63.2 | 41.3 | 9.9 | < .001 |
| Race/ethnicity reported as White | 92.7 | 93.5 | 94.1 | .910 |
| Social classb | .305 | |||
| I/II | 31.1 | 30.7 | 52.2 | |
| IIINM/IIIM | 46.4 | 44.3 | 32.8 | |
| IV/V | 22.5 | 25.0 | 15.1 | |
| Highest educational achievementc | .0135 | |||
| Having at least a university degree | 18.3 | 21.3 | 37.9 | |
| A/AS levels | 16.1 | 25.2 | 14.6 | |
| O levels/GCSE | 49.8 | 43.6 | 35.7 | |
| None | 15.7 | 10.0 | 11.8 | |
| Resident of greater London | 13.7 | 20.9 | 21.3 | .011 |
| Weighted denominator (unweighted)d | 4819 (5594) | 118 (147) | 21 (31) | NA |
Notes. Natsal = National Survey of Sexual Attitudes and Lifestyles; NA = not applicable. WSEM are defined as women who reported exclusively male sexual partners in the 5 years prior to the interview for Natsal 2000. WSWM are defined as women who reported female sexual partners and male sexual partners in the 5 years prior to the interview for Natsal 2000. WSEW are defined as women who reported exclusively female sexual partners in the 5 years prior to the interview for Natsal 2000.
aP value for overall difference in proportions among WSEM, WSWM, and WSEW.
bI/II = professional, managerial, and technical occupations; IIINM/IIIM = skilled nonmanual and skilled manual occupations; IV/V = partly skilled and unskilled occupations.42
cA/AS levels = passing school exams around age 18; O levels/GCSEs = passing school exams around age 16; none = having none of these educational qualifications.
d The data were weighted to correct for unequal selection probabilities, including oversampling in greater London, and to match Britain’s age and gender population profile.