Table 1

Incidence of type 2 diabetes mellitus by sociodemographic factors and year

Incidence of type 2 diabetes
Rate per 1000 PYAR (95% CI)Adjusted IRR (95% CI)*
MenWomenMenWomen
Overall4.19 (4.17 to 4.21)3.72 (3.70 to 3.74)10.81 (0.80 to 0.82)
Age, years
0–90.04 (0.03 to 0.05)0.04 (0.04 to 0.05)0.01 (0.01 to 0.01)0.01 (0.01 to 0.02)
10–190.11 (0.10 to 0.13)0.28 (0.26 to 0.30)0.03 (0.03 to 0.03)0.09 (0.09 to 0.10)
20–290.36 (0.34 to 0.38)1.15 (1.11 to 1.19)0.09 (0.08 to 0.09)0.37 (0.35 to 0.38)
30–391.36 (1.32 to 1.39)1.91 (1.86 to 1.95)0.33 (0.32 to 0.34)0.63 (0.61 to 0.65)
40–494.02 (3.97 to 4.08)3.00 (2.95 to 3.05)11
50–597.86 (7.78 to 7.95)5.43 (5.36 to 5.50)1.98 (1.94 to 2.01)1.83 (1.79 to 1.87)
60–6911.87 (11.74 to 12.00)8.48 (8.38 to 8.59)2.98 (2.92 to 3.03)2.84 (2.78 to 2.90)
70–7912.68 (12.51 to 12.85)10.32 (10.19 to 10.46)3.18 (3.12 to 3.25)3.43 (3.35 to 3.50)
80–899.08 (8.87 to 9.30)8.00 (7.84 to 8.15)2.26 (2.19 to 2.32)2.57 (2.50 to 2.64)
90–995.96 (5.49 to 6.46)4.55 (4.31 to 4.81)1.48 (1.36 to 1.61)1.45 (1.37 to 1.54)
Townsend quintile
13.86 (3.82 to 3.91)2.99 (2.95 to 3.03)11
24.19 (4.14 to 4.25)3.50 (3.46 to 3.55)1.09 (1.07 to 1.11)1.15 (1.13 to 1.17)
34.29 (4.24 to 4.34)3.86 (3.81 to 3.91)1.25 (1.23 to 1.27)1.37 (1.35 to 1.40)
44.47 (4.41 to 4.53)4.32 (4.26 to 4.38)1.42 (1.40 to 1.45)1.63 (1.60 to 1.66)
54.62 (4.55 to 4.70)4.75 (4.68 to 4.83)1.57 (1.54 to 1.60)1.92 (1.88 to 1.97)
Year
20003.69 (3.58 to 3.81)3.06 (2.95 to 3.17)11
20014.20 (4.08 to 4.31)3.52 (3.42 to 3.63)1.14 (1.09 to 1.19)1.16 (1.10 to 1.21)
20024.48 (4.37 to 4.59)3.73 (3.63 to 3.83)1.22 (1.17 to 1.27)1.24 (1.18 to 1.29)
20034.52 (4.41 to 4.62)3.96 (3.87 to 4.06)1.24 (1.19 to 1.29)1.32 (1.27 to 1.38)
20044.80 (4.70 to 4.90)4.28 (4.19 to 4.38)1.32 (1.27 to 1.37)1.44 (1.38 to 1.50)
20054.56 (4.46 to 4.66)4.04 (3.95 to 4.13)1.25 (1.20 to 1.30)1.36 (1.30 to 1.42)
20064.52 (4.42 to 4.61)3.93 (3.84 to 4.02)1.24 (1.19 to 1.29)1.33 (1.27 to 1.39)
20074.62 (4.52 to 4.72)4.07 (3.98 to 4.16)1.26 (1.22 to 1.31)1.37 (1.32 to 1.43)
20084.62 (4.52 to 4.71)4.06 (3.97 to 4.15)1.26 (1.21 to 1.31)1.37 (1.32 to 1.43)
20094.71 (4.61 to 4.80)4.26 (4.18 to 4.36)1.29 (1.24 to 1.34)1.45 (1.39 to 1.51)
20104.48 (4.39 to 4.58)4.10 (4.01 to 4.19)1.23 (1.18 to 1.28)1.40 (1.34 to 1.46)
20114.26 (4.17 to 4.35)3.97 (3.88 to 4.05)1.16 (1.12 to 1.21)1.35 (1.30 to 1.41)
20124.40 (4.31 to 4.49)4.00 (3.91 to 4.09)1.20 (1.16 to 1.25)1.37 (1.31 to 1.43)
20133.99 (3.90 to 4.08)3.73 (3.65 to 3.82)1.09 (1.05 to 1.13)1.28 (1.22 to 1.33)
  • *Adjusted for other variables considered; age band, Townsend quintile, calendar year, respectively.

  • Table 1 above is presented stratified by gender due to significant age-gender interaction (p<0.001).

  • ‡For figure displaying data above, please consult online supplementary appendix 1.