Baseline (2002–5) and follow-up (2007–10) descriptive characteristics of analytic sample.

Data presented are mean & standard deviation (continuous) or percentage & number (categorical). *Non-normally distributed data are presented as median & SEM. Δ DEXA= dual-energy X-ray absorptiometry; PSA= Prostate-Specific Antigen; + AHI= Apnea-Hypopnea Index; f Health conditions were determined by participant response to question regarding multiple chronic diseases (“Have you ever been told by a doctor that you have any of the following conditions?”)Baseline (2002–5) and follow-up (2007–10) descriptive characteristics of analytic sample.