Summary of pupil demographic information at baseline
| Baseline value for those analysed in this study (n=1304) | |
| Age in years, mean (SD); missing data (n)* | 6.3 (0.31); 61 |
| Gender, n (%) | |
| Male | 654 (50.2) |
| Female | 650 (49.9) |
| Missing data* | 0 |
| Ethnicity, n (%) | |
| White British | 656 (50.8) |
| South Asian | 333 (25.8) |
| African-Caribbean | 100 (7.8) |
| Other | 202 (15.7) |
| Missing data* (n) | 13 |
| Deprivation quintile, n (%)† | |
| 1 (most deprived) | 639 (50.0) |
| 2 | 266 (20.8) |
| 3 | 146 (11.4) |
| 4 | 119 (9.3) |
| 5 (least deprived) | 109 (8.5) |
| Missing data* (n) | 25 |
| Deprivation score, mean (SD); missing data (n)* | 33.8 (17.9); 25 |
*Missing data values are not included in the denominator.
†Index of Multiple Deprivation scores categorised into five groups using the national quintile cut-offs for England.