Characteristics of the entire study population aged 14–28 years, England, 2006–2019
| n (%) | |
| Sex | |
| Female | 2 665 681 (52.46) |
| Male | 2 415 582 (47.54) |
| Region | |
| East Midlands | 263 503 (5.19) |
| East of England | 145 945 (2.87) |
| London | 1 440 473 (28.35) |
| North East | 166 704 (3.28) |
| North West | 785 490 (15.46) |
| South East | 1 057 045 (20.80) |
| South West | 530 486 (10.44) |
| West Midlands | 413 949 (8.15) |
| Yorkshire and Humber | 277 668 (5.46) |
| Townsend deprivation quintile | |
| 1 (least deprived) | 788 343 (15.51) |
| 2 | 887 389 (17.46) |
| 3 | 972 339 (19.14) |
| 4 | 1 140 155 (22.44) |
| 5 (most deprived) | 1 276 398 (25.12) |
| Not known | 16 639 (0.33) |
| Ethnic group | |
| White | 3 411 054 (67.13) |
| Mixed | 86 356 (1.70) |
| Asian or Asian British | 495 412 (9.75) |
| Black or black British | 242 655 (4.78) |
| Chinese or other ethnic group | 277 467 (5.46) |
| Not known | 568 319 (11.18) |
| Known ethnic group | |
| White | 3 411 054 (75.58) |
| Mixed | 86 356 (1.91) |
| Asian or Asian British | 495 412 (10.98) |
| Black or black British | 242 655 (5.38) |
| Chinese or other ethnic group | 277 467 (6.15) |
| Outcome first recorded at age 14–28 years | |
| SSRI | 279 271 (5.50) |
| Citalopram | 114 228 (2.25) |
| Fluoxetine | 68 569 (1.35) |
| Sertraline | 88 015 (1.73) |
| Depression | 338 634 (6.66) |
| Anxiety | 186 150 (3.66) |
| Self-harm | 53 506 (1.05) |
SSRI, selective serotonin reuptake inhibitor.