Table 3.
Type 2 diabetes (T2D) incidence (95% confidence intervals) by sex under counterfactual scenarios eliminating excess baseline BMI and current and former cigarette smoking
| Scenarios | T2D Incidence (per 1,000 person years) | Amount Explained (per 1,000 person years) | Percentage Explained |
|---|---|---|---|
| Men | |||
| Observed | 10.24 | - | - |
| (9.48, 11.00) | |||
| Eliminating Excess Baseline BMI | 3.20 | 7.04 | 68.72 |
| (2.66, 3.75) | (6.33, 7.75) | (63.98, 73.46) | |
| Eliminating Smoking | 9.28 | 0.97 | 9.45 |
| (7.95, 10.61) | (−0.17, 2.11) | (−1.67, 20.56) | |
| Eliminating Excess Baseline BMI and Smoking | 2.90 | 7.35 | 71.71 |
| (2.30, 3.49) | (6.57, 8.12) | (66.30, 77.12) | |
| Women | |||
| Observed | 7.04 | - | - |
| (6.42, 7.65) | |||
| Eliminating Excess Baseline BMI | 2.58 | 4.46 | 63.34 |
| (2.12, 3.04) | (3.90, 5.01) | (57.63, 69.04) | |
| Eliminating Smoking | 6.05 | 0.98 | 13.97 |
| (5.34, 6.76) | (0.50, 1.46) | (7.24, 20.70) | |
| Eliminating excess Baseline BMI and Smoking | 2.18 | 4.86 | 69.03 |
| (1.74, 2.61) | (4.28, 5.43) | (63.50, 74.57) |
Note: Counterfactuals calculated from logistic regression models shown in Table 2. Ages 40–74 years at time of survey. Excess BMI is a BMI BMI≥25.0. Smoking status ascertained at baseline. Data are from FINRISK 1997, 2002, 2007 with follow-up through 2011.