Table 1 IMRD-UK study characteristics of the age at diagnoses of IMDs in different ethnic groups
From: Early onset of immune-mediated diseases in minority ethnic groups in the UK
Description | White | Mixed-race/Other | African-Caribbean | South Asian |
|---|---|---|---|---|
Total patients (n) | (n=3,902,748) | (n=199,520) | (n=172,329) | (n=250,755) |
Sex n (%) | ||||
 Male | 1,886,048 (48.33) | 92,835 (46.53) | 82,722 (48.00) | 131,192 (52.32) |
 Female | 2,016,700 (51.67) | 106,685 (53.47) | 89,607 (52.00) | 119,563 (47.68) |
Age (years) median (IQR) | 32.00 (19.00–49.00) | 27.00 (14.00–37.00) | 29.00 (13.00–40.00) | 29.00 (14.00–38.00) |
Age category (years) n (%) | ||||
 Under 18 | 937,782 (24.03) | 57,049 (28.59) | 52,651 (30.55) | 68,599 (27.36) |
 18–34 | 1,170,835 (30.00) | 82,026 (41.11) | 56,095 (32.55) | 100,714 (40.16) |
 35–54 | 1,074,047 (27.52) | 49,430 (24.77) | 51,912 (30.12) | 62,251 (24.83) |
 55 and above | 720,084 (18.45) | 11,015 (5.52) | 11,671 (6.77) | 19,191 (7.65) |
BMI (kg/m2) median (IQR) | 25.00 (22.00–28.00) | 23.00 (20.00–26.00) | 26.00 (23.00–29.00) | 24.00 (21.00–27.00) |
BMI Category (kg/m2) n (%) | ||||
 Underweight/normal (up to 24.9) | 1,150,095 (29.47) | 74,866 (37.52) | 40,217 (23.34) | 81,302 (32.42) |
 Overweight (25–29.9) | 771,355 (19.76) | 29,475 (14.77) | 33,740 (19.58) | 48,327 (19.27) |
 Obese (30 and above) | 478,606 (12.26) | 12,638 (6.33) | 23,698 (13.75) | 19,617 (7.82) |
 Missing or implausible | 1,502,692 (38.50) | 82,541 (41.37) | 74,674 (43.33) | 101,509 (40.48) |
Townsend quintiles n (%) | ||||
 1 (least deprived) | 634,187 (16.25) | 16,278 (8.16) | 7390 (4.29) | 20,472 (8.16) |
 2 | 610,020 (15.63) | 17,024 (8.53) | 9793 (5.68) | 22,395 (8.93) |
 3 | 660,340 (16.92) | 28,424 (14.25) | 22,160 (12.86) | 39,543 (15.77) |
 4 | 618,324 (15.84) | 35,568 (17.83) | 33,686 (19.55) | 51,656 (20.60) |
 5 (most deprived) | 466,411 (11.95) | 33,452 (16.77) | 43,131 (25.03) | 44,886 (17.90) |
 Missing | 913,466 (23.41) | 68,774 (34.47) | 56,169 (32.59) | 71,803 (28.63) |
Smoking status n (%) | ||||
 Non-smoker | 1,643,268 (42.11) | 107,008 (53.63) | 98,327 (57.06) | 149,154 (59.48) |
 Smoker | 746,446 (19.13) | 24,719 (12.39) | 16,499 (9.57) | 23,555 (9.39) |
 Ex-smoker | 561,268 (14.38) | 14,381 (7.21) | 10,051 (5.83) | 12,335 (4.92) |
 Missing | 951,766 (24.39) | 53,412 (26.77) | 47,452 (27.54) | 65,711 (26.21) |