Table 2. Changes in smoking status between the baseline and final examinations.
| Never‐smokers | Ex‐smokers | Current smokers | |
|---|---|---|---|
| n | 353 | 583 | 263 |
| Outcome: impaired insulin secretion, n (%)a | |||
| No change | 353 (100.0) | 565 (96.9) | 197 (74.9) |
| Started smoking | 0 (0.0) | 18 (3.1) | 0 (0.0) |
| Quit smoking | 0 (0.0) | 0 (0.0) | 66 (25.1) |
| Outcome: insulin resistance, n (%)b | |||
| No change | 353 (100.0) | 561 (96.2) | 193 (73.4) |
| Started smoking | 0 (0.0) | 22 (3.8) | 0 (0.0) |
| Quit smoking | 0 (0.0) | 0 (0.0) | 70 (26.6) |
a
The mean follow up was 2.8 years (total person‐years: 3,403).
b
The mean follow up was 3.4 years (total person‐years: 4,092).