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. 2014 Oct 1;32(2):226–234. doi: 10.1111/dme.12576

Table 2.

Unadjusted diabetes incidence rates (95% CI) per 1000 person years by BMI and waist circumference category in men and women: SABRE study, London, 1988–1990 (baseline) to 2008–2011

Men
Women
European South Asian African-Caribbean European South Asian African-Caribbean
Number (%) 1054 (78) 706 (84) 188 (56) 302 136 146
Number of cases 156 253 56 40 29 44
Person years of follow-up 20 400 12 000 3400 5600 2400 2400
Overall incidence rates/1000 person years 7.4 (6.3, 8.7) 20.8 (18.4, 23.6) 16.5 (12.7, 21.4) 7.2 (5.3,9.8) 12.0 (8.3, 17.2) 17.5 (13.0, 23.7)
BMI (kg/m2)
 < 23 2.9 (1.6, 5.3) 9.5 (6.5, 13.9) 6.1 (2.0, 18.9) 3.4 (1.5, 7.7) 9.4 (3.9, 22.6) 4.8 (0.7, 33.8)
 23 to < 25 4.0 (2.6, 6.2) 17.1 (12.9, 22.4) 10.4 (5.2, 20.7) 1.8 (0.5, 7.2) 2.2 (0.3, 16.0) 16.4 (6.8, 39.4)
 25 to < 27.5 6.8 (5.1, 9.2) 21.3 (17.1, 26.5) 17.1 (10.6, 27.5) 6.6 (3.4, 12.7) 9.4 (3.9, 22.6) 6.3 (1.6, 25.3)
 27.5 to < 30 10.3 (7.3, 14.6) 32.2 (24.4, 42.5) 18.8 (11.5, 30.6) 11.0 (5.2, 23.0) 14.3 (6.4, 31.9) 12.1 (6.3, 23.2)
 30+ 17.1 (12.4, 23.7) 39.2 (27.0, 56.7) 30.7 (15.3, 61.3) 23.8 (14.4,39.5) 22.5 (12.5, 40.6) 27.2 (17.4, 42.7)
Waist circumference (cm)
 < 80 2.5 (1.3, 5.8) 5.4 (2.4, 12.0) 3.1 (0.8, 12.2) 4.1 (2.4, 6.9) 9.0 (4.7, 17.4) 6.8 (2.8, 16.3)
 80 to < 90 4.5 (3.2, 6.4) 14.8 (11.6, 18.9) 20.5 (13.9, 30.3) 7.1 (3.7,13.7) 8.8 (4.2, 18.4) 14.1 (7.8, 25.4)
 90 to < 100 8.3 (6.4,10.8) 23.6 (19.5, 28.4) 14.2 (8.7, 23.1) 14.8 (6.6, 32.9) 19.5 (10.2,37.5) 23.4 (13.6, 40.3)
 100+ 15.2 (11.6, 19.8) 37.2 (29.5, 46.9) 30.5 (17.3, 53.8) 29.1 (16.1,52.5) 23.5 (8.8, 62.7) 40.6 (23.6, 69.9)