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Table 2 Characteristics of the study population at the first antidepressant prescription, according to antidepressant class

From: Secondary care specialist visits made by children and young people prescribed antidepressants in primary care: a descriptive study using the QResearch database

 Any SSRIAny TCAAny antidepressant
N22,13010,48933,031
Female, n (%)14,960 (67.6%)7054 (67.3%)22,279 (67.4%)
Age at first prescription, median (IQR)16 (15–17)16 (13–17)16 (15–17)
Aged 5–11, n (%)652 (2.9%)1659 (15.8%)2330 (7.1%)
Aged 12–17, n (%)21,478 (97.1%)8830 (84.2%)30,701 (92.9%)
Townsend quintile, n (%)
 1 (least deprived)5481 (24.8%)2670 (25.5%)8234 (24.9%)
 25554 (25.1%)2515 (24.0%)8156 (24.7%)
 34891 (22.1%)2200 (21.0%)7195 (21.8%)
 43912 (17.7%)1798 (17.1%)5788 (17.5%)
 5 (most deprived)2262 (10.2%)1288 (12.3%)3610 (10.9%)
 Unknown30 (0.1%)18 (0.2%)48 (0.2%)
Ethnicity, n (%)
 White15,769 (71.3%)6786 (64.7%)22,827 (69.1%)
 Mixed298 (1.4%)146 (1.4%)451 (1.4%)
 Asian or Asian British541 (2.4%)576 (5.5%)1130 (3.4%)
 Black or Black British191 (0.9%)219 (2.1%)416 (1.3%)
 Chinese or Other177 (0.8%)81 (0.8%)265 (0.8%)
 Unknown5154 (23.3%)2681 (25.6%)7942 (24.0%)
Practice region, n (%)
 East Midlands1092 (4.9%)623 (5.9%)1730 (5.2%)
 East of England1615 (7.3%)869 (8.3%)2510 (7.6%)
 London2387 (10.8%)1341 (12.8%)3780 (11.4%)
 North East824 (3.7%)382 (3.6%)1215 (3.7%)
 North West3915 (17.7%)1499 (14.3%)5498 (16.6%)
 South East6275 (28.4%)2618 (25.0%)9010 (27.3%)
 South of England2367 (10.7%)1418 (13.5%)3838 (11.6%)
 West Midlands2759 (12.5%)1076 (10.3%)3882 (11.8%)
 Yorkshire and The Humber896 (4.1%)663 (6.3%)1568 (4.8%)
  1. SSRI selective serotonin reuptake inhibitor, TCA tricyclic and related antidepressant, n number, IQR interquartile range