Proportions of girls menstruating (weighted %), by income and ethnicity
| Per cent | Sample size | |
|---|---|---|
| Overall | 9.5 | 5839 |
| Income quintile | ||
| Richest | 6.8 | 1115 |
| Fourth | 7.2 | 1163 |
| Third | 8.8 | 1156 |
| Second | 12.8*** | 1200 |
| Poorest | 14.1*** | 1205 |
| Ethnic group | ||
| White | 8.6 | 4989 |
| Indian | 24.2*** | 129 |
| Pakistani | 14.8** | 239 |
| Bangladeshi | 21.6*** | 109 |
| Black Caribbean | 13.0 | 126 |
| Black African | 20.1** | 117 |
| Other | 15.3* | 130 |
Significant differences are in reference to richest quintile for income and to white for ethnicity. Unweighted sample sizes are conditional on observed ethnicity and mother reported menstruation.
***p<0.001, **p<0.01, *p<0.05.