Table 2

Prevalence of type 2 diabetes mellitus by sociodemographic factors and year

Prevalence of type 2 diabetes
Percentage prevalence (95% CI)Adjusted IRR (95% CI)*
Overall4.62 (4.60 to 4.64)
Gender
 Men52.90 (52.75 to 53.05)1
 Woman47.10 (46.95 to 47.25)0.77 (0.77 to 0.77)
Age, years
 0–90.09 (0.08 to 0.09)0.01 (0.01 to 0.01)
 10–190.41 (0.39 to 0.43)0.03 (0.03 to 0.03)
 20–292.19 (2.15 to 2.23)0.12 (0.12 to 0.13)
 30–396.54 (6.47 to 6.61)0.38 (0.38 to 0.39)
 40–4915.18 (15.07 to 15.28)1
 50–5927.30 (27.16 to 27.43)2.28 (2.27 to 2.29)
 60–6937.65 (37.50 to 37.79)4.13 (4.11 to 4.15)
 70–7936.75 (36.60 to 36.89)5.95 (5.92 to 5.97)
 80–8922.18 (22.05 to 22.30)5.59 (5.56 to 5.62)
 90–994.85 (4.78 to 4.91)4.00 (3.97 to 4.04)
Townsend quintile
 120.23 (20.10 to 20.35)1
 219.80 (19.68 to 19.92)1.12 (1.12 to 1.12)
 320.74 (20.62 to 20.87)1.32 (1.32 to 1.33)
 419.90 (19.78 to 20.02)1.53 (1.52 to 1.54)
 514.95 (14.85 to 15.06)1.75 (1.74 to 1.75)
Year
 20002.39 (2.37 to 2.41)1
 20012.60 (2.58 to 2.62)1.10 (1.08 to 1.11)
 20022.84 (2.83 to 2.86)1.20 (1.19 to 1.21)
 20033.11 (3.09 to 3.13)1.32 (1.30 to 1.33)
 20043.40 (3.38 to 3.42)1.44 (1.43 to 1.45)
 20053.66 (3.64 to 3.67)1.55 (1.53 to 1.56)
 20063.88 (3.86 to 3.90)1.64 (1.63 to 1.65)
 20074.10 (4.08 to 4.12)1.73 (1.71 to 1.74)
 20084.33 (4.32 to 4.35)1.82 (1.81 to 1.84)
 20094.56 (4.54 to 4.58)1.91 (1.90 to 1.93)
 20104.78 (4.76 to 4.80)2.01 (1.99 to 2.02)
 20114.98 (4.96 to 5.00)2.08 (2.07 to 2.10)
 20125.17 (5.15 to 5.19)2.16 (2.14 to 2.18)
 20135.32 (5.30 to 5.34)2.21 (2.19 to 2.23)

  • *Adjusted for other variables considered; gender, age band, Townsend quintile, calendar year, respectively.

  • †For figure displaying data above, please consult online supplementary appendix 2.