Table 3—

Incidence rates and HRs for diabetes by pulmonary conditions among participants aged 25–74 years, NHEFS, 1971–1975 to 1992–1993

Pulmonary conditionsNo. of casesPerson-yearsUnadjusted incidence per 100,000 person-years*Age-adjusted incidence per 100,000 person-years*HR (95% CI)
UnadjustedAge-adjustedMultiple-adjusted
COPD (moderate or severe)465,6477116041.54 (1.03–2.30)1.23 (0.84–1.81)1.02 (0.68–1.53)
COPD (mild)295,9293883300.83 (0.51–1.35)0.66 (0.40–1.10)0.66 (0.39–1.12)
Symptoms7812,2216166791.31 (0.98–1.76)1.34 (1.00–1.81)1.06 (0.76–1.48)
RLD686,0761,10610472.38 (1.74–3.27)2.04 (1.47–2.81)1.45 (1.04–2.03)
Normal22247,4664755161.001.001.00
P for overall test<0.001<0.0010.032
  • Of 4,830 in the total sample, 443 people developed diabetes.

  • *

    * Estimate calculated using sampling weights.

  • Adjusted for age, sex, race or ethnicity, education, smoking status, systolic blood pressure, use of antihypertensive medication, cholesterol concentration, BMI, alcohol use, recreational exercise, and nonrecreational activity.

  • Wald χ2 test.