Incidence of pre-diabetes by age and deprivation
| Rate per 1000 PYAR (95% CI) | Adjusted IRR (95% CI)* | |||
| Men | Women | Men | Women | |
| Overall | 4.54 (4.52 to 4.52) | 4.66 (4.64 to 4.68) | 1 | 1.01 (1.01 to 1.02) |
| Age, years | ||||
| 0–19 | 0.04 (0.04 to 0.05) | 0.07 (0.06 to 0.07) | 0.01 (0.01 to 0.02) | 0.02 (0.02 to 0.02) |
| 20–29 | 0.23 (0.21 to 0.24) | 0.49 (0.47 to 0.51) | 0.07 (0.07 to 0.07) | 0.16 (0.15 to 0.17) |
| 30–39 | 1.00 (0.97 to 1.02) | 1.27 (1.24 to 1.31) | 0.31 (0.30 to 0.32) | 0.43 (0.42 to 0.44) |
| 40–49 | 3.33 (3.28 to 3.38) | 3.02 (2.97 to 3.06) | 1 | 1 |
| 50–59 | 7.72 (7.64 to 7.80) | 6.75 (6.68 to 6.82) | 2.31 (2.26 to 2.36) | 2.21 (2.17 to 2.26) |
| 60–69 | 13.70 (13.58 to 13.83) | 11.34 (11.23 to 11.45) | 4.14 (4.06 to 4.22) | 3.72 (3.64 to 3.79) |
| 70–79 | 17.45 (17.27 to 17.63) | 15.62 (15.47 to 15.77) | 5.46 (5.35 to 5.57) | 5.38 (5.27 to 5.49) |
| 80–89 | 17.52 (17.25 to 17.80) | 15.32 (15.12 to 15.51) | 5.59 (5.45 to 5.72) | 5.54 (5.41 to 5.66) |
| 90–99 | 15.21 (14.54 to 15.91) | 12.18 (11.82 to 12.54) | 4.89 (4.65 to 5.14) | 4.37 (4.22 to 4.54) |
| Townsend quintile | ||||
| 1 | 4.48 (4.43 to 4.53) | 4.16 (4.11 to 4.20) | 1 | 1 |
| 2 | 4.65 (4.60 to 4.71) | 4.45 (4.40 to 4.51) | 1.05 (1.03 to 1.07) | 1.08 (1.06 to 1.10) |
| 3 | 4.66 (4.61 to 4.71) | 4.82 (4.77 to 4.87) | 1.13 (1.11 to 1.15) | 1.22 (1.19 to 1.24) |
| 4 | 4.43 (4.36 to 4.49) | 4.99 (4.93 to 5.05) | 1.19 (1.17 to 1.22) | 1.36 (1.34 to 1.39) |
| 5 | 4.47 (4.40 to 4.54) | 5.28 (5.20 to 5.35) | 1.26 (1.24 to 1.29) | 1.52 (1.49 to 1.56) |
*Adjusted for other variables considered: age, deprivation and calendar year. Stratified by gender due to significant age-gender interaction.
IRR, incidence risk ratio; PYAR, person years at risk.