aEstimates adjusted for sex, country of birth, quintile of socioeconomic status, body size at baseline, cumulative smoking status, and the following covariates measured at baseline and wave 2: physica
NIH-AARP (National Institutes of Health-American Association of Retired Persons) study; USRT (United States Radiologic Technologists) study; PLCO (Prostate, lung, colorectal and Ovarian Cancer Screeni
Hazard ratios and 95% confidence intervals for the development of airflow obstruction (AFO) in workers with non-obstructive spirometry at baseline (n = 1683).
