Table 3.
Sex-specific diabetes incidence among CKB participants included in prospective analyses according to educational level and household income
| Socioeconomic status | Men (n = 197,736) | Women (282,417) | ||
|---|---|---|---|---|
| No. of participants with incident diabetes | Standardised incidence ratea (no./1000 person-years) | No. of participants with incident diabetes | Standardised incidence ratea (no./1000 person-years) | |
| All | 3607 | 2.59 (2.51, 2.68)b | 5937 | 2.93 (2.86, 3.01)b |
| Highest educational level | ||||
| No formal school | 480 | 3.38 (2.98, 3.85) | 2330 | 3.80 (3.62, 3.99) |
| Primary school | 1342 | 2.65 (2.49, 2.81) | 1945 | 2.96 (2.83, 3.10) |
| Middle or high school | 1469 | 2.37 (2.25, 2.51) | 1485 | 2.29 (2.16, 2.43) |
| College or above | 316 | 3.24 (2.88, 3.64) | 177 | 2.51 (2.13, 2.94) |
| Household income, yuan/year | ||||
| <10,000 | 747 | 1.86 (1.73, 2.00) | 1522 | 2.36 (2.23, 2.48) |
| 10,000–19,999 | 835 | 2.11 (1.97, 2.25) | 1536 | 2.59 (2.46, 2.72) |
| 20,000–34,999 | 1003 | 2.95 (2.77, 3.14) | 1650 | 3.49 (3.32, 3.67) |
| ≥35,000 | 1022 | 3.89 (3.65, 4.14) | 1229 | 3.87 (3.65, 4.09) |
a5 year age group standardised to the whole CKB population
bCrude incidence
No., number