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)* |
|||
| Men | Women | Men | Women | |
| Overall | 4.19 (4.17 to 4.21) | 3.72 (3.70 to 3.74) | 1 | 0.81 (0.80 to 0.82) |
| Age, years | ||||
| 0–9 | 0.04 (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) |
| 10–19 | 0.11 (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) |
| 20–29 | 0.36 (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) |
| 30–39 | 1.36 (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) |
| 40–49 | 4.02 (3.97 to 4.08) | 3.00 (2.95 to 3.05) | 1 | 1 |
| 50–59 | 7.86 (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) |
| 60–69 | 11.87 (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) |
| 70–79 | 12.68 (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) |
| 80–89 | 9.08 (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) |
| 90–99 | 5.96 (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 | ||||
| 1 | 3.86 (3.82 to 3.91) | 2.99 (2.95 to 3.03) | 1 | 1 |
| 2 | 4.19 (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) |
| 3 | 4.29 (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) |
| 4 | 4.47 (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) |
| 5 | 4.62 (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 | ||||
| 2000 | 3.69 (3.58 to 3.81) | 3.06 (2.95 to 3.17) | 1 | 1 |
| 2001 | 4.20 (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) |
| 2002 | 4.48 (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) |
| 2003 | 4.52 (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) |
| 2004 | 4.80 (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) |
| 2005 | 4.56 (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) |
| 2006 | 4.52 (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) |
| 2007 | 4.62 (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) |
| 2008 | 4.62 (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) |
| 2009 | 4.71 (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) |
| 2010 | 4.48 (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) |
| 2011 | 4.26 (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) |
| 2012 | 4.40 (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) |
| 2013 | 3.99 (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.