Table 1. Comparison of prevalence of the diagnostic criteria of fasting plasma glucose (FPG) and/or glycated haemoglobin (HbA1c) by age category.
| Age (years) | N | Diabetes diagnosed by | |||||||
| Both FPG and HbA1c | FPG only (HbA1c <48mmol/mol (6.5%)) | HbA1c only (FPG <7.0 mmol/l) | Either FPG or HbA1c | ||||||
| Men | Women | Men | Women | Men | Women | Men | Women | ||
| ≤37 | 6077 | 24 (0.8) | 3 (0.1)‡ | 11 (0.3) | 1 (0.0)† | 8 (0.3 ) | 4 (0.1) | 43 (1.3) | 8 (0.3)‡ |
| 38–45 | 5245 | 63 (2.1) | 8 (0.3)‡ | 40 (1.4) | 1 (0.0)‡ | 10 (0.3) | 6 (0.3) | 113 (3.8) | 15 (0.7)‡ |
| 46–53 | 6208 | 131 (4.2) | 36 (1.2)‡ | 62 (2.0) | 9 (0.3)‡ | 39 (1.3) | 19 (0.6)* | 232 (7.5) | 64 (2.1)‡ |
| 54–59 | 5433 | 164 (6.8) | 59 (1.9)‡ | 70 (2.9) | 15 (0.5)‡ | 43 (1.8) | 37 (1.2) | 277 (11.5) | 111 (3.7)‡ |
| 60–65 | 5767 | 191 (7.1) | 82 (2.7)‡ | 62 (2.3) | 31 (1.0)‡ | 57 (2.1) | 47 (1.5) | 310 (11.4) | 160 (5.2)‡ |
| ≥66 | 5229 | 163 (6.5) | 116 (4.3)‡ | 59 (2.4) | 25 (0.9)‡ | 71 (2.8) | 74 (2.7) | 293 (11.7) | 215 (7.9)‡ |
| Total | 33959 | 736 (4.3) | 304 (1.8)‡ | 304 (1.8) | 82 (0.5)‡ | 228 (1.4) | 187 (1.1)* | 1268 (7.5) | 573 (3.4)‡ |
Diagnostic criteria for diabetes using FPG ≥7.0 mmol/l and/or HbA1c ≥48 mmol/mol (6.5%). Data are N (%) within age and sex categories. P-values were calculated using a chi-square test to compare men and women within the age categories. *P<0.05, †P<0.01, ‡P<0.001.