Mixing matrix
| Partner ethnicity | Male index case | Female index case | ||||
|---|---|---|---|---|---|---|
| Black Caribbean | Black African | White | Black Caribbean | Black African | White | |
| Figures presented as proportions of partners reported by index cases from each ethnic group. | ||||||
| *White males did not report sexual partners from any other ethnic group owing to small sample size. This discrepancy would lead to division by zero in the equations used, therefore, in simulations we used the values in parentheses. | ||||||
| Source: Low N, Sterne JAC, McKevitt C, Connell P. Investigating ethnic and geographic variations in sexual health in South East London. 463 16–25 year olds of black Caribbean, black African or white ethnicity living in 14 electoral wards with the highest gonorrhoea rates in the former Lambeth, Southwark and Lewisham Health Authority area. Fieldwork by National Centre for Social Research, Jan 2000 to Jan 2001. | ||||||
| Ethnic group of the most recent sexual partner reported by 469 men and women from three ethnic groups. | ||||||
| Black Caribbean | 0.63 | 0.34 | 0.0 (0.01)* | 0.77 | 0.42 | 0.17 |
| Black African | 0.06 | 0.43 | 0.0 (0.01)* | 0.13 | 0.56 | 0.07 |
| White | 0.31 | 0.23 | 1.00 (0.98)* | 0.10 | 0.02 | 0.76 |