Table 3—

Life expectancy in years at age 50 years for three levels of physical activity*

Total life expectancy*Differences in total life expectancyLife expectancy free of diagnosed diabetesDifferences in life expectancy free of diagnosed diabetesLife expectancy with diabetesDifferences in life expectancy with diabetes
    Low activity25.3 (24.4–26.3)ref23.3 (22.4–24.2)ref2.0 (1.6–2.6)ref
    Moderate activity27.1 (26.0–28.0)1.8 (0.8–2.9)25.6 (24.4–26.8)2.3 (1.2–3.4)1.5 (1.1–2.1)−0.5 (−1.0 to 0.0)
    High activity29.4 (28.3–30.5)4.1 (2.8–5.4)27.5 (26.3–28.7)4.2 (2.9–5.5)1.9 (1.5–2.5)−0.1 (−0.7 to 0.5)
    Low activity32.3 (31.5–33.1)ref30.3 (29.4–31.2)ref2.0 (1.7–2.5)ref
    Moderate activity34.0 (33.0–35.0)1.7 (0.8–2.8)32.6 (31.6–33.6)2.3 (1.2–3.4)1.5 (1.1–2.0)−0.6 (−1.1 to −0.1)
    High activity36.0 (34.9–37.2)3.7 (2.6–4.9)34.2 (33.1–35.4)4.0 (2.8–5.1)1.8 (1.3–2.4)−0.2 (−0.8 to 0.3)
  • Data are years (95% CI).

  • * Life expectancy free of diagnosed diabetes is the average number of years lived free of diabetes prior to the onset of diabetes or death and life expectancy with diabetes is the average number of years lived with diabetes. These life expectancies refer to a population alive and free of diabetes at age 50 years. All life expectancies have been calculated with hazard ratios adjusted for age; sex; education; marital status; smoking; baseline diseases, such as cardiovascular disease, cancer, left ventricular hypertrophy, arthritis, ankle edema, or pulmonary disease; and exam of start follow-up.

  • Differences are calculated using the low physical activity group as reference: moderate vs. low and high vs. low. ref, reference.