Hazard ratios (HR)and 95% confidence intervals (CI) for body mass index (BMI) at various ages and lung cancer risk among never smokers, NIH-AARP Diet and Health Study (1995–2006).

<p>NOTE: <sup>§</sup>BMI = Body mass index (kg/m<sup>2</sup>) as defined in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0070672#pone-0070672-t001" target="_blank"><b>Table 1</b></a>.</p>1<p>Adjusted for age, education, ethnicity, alcohol consumption, vigorous physical activity, physical activity at work, total caloric intake.</p>2<p>Additionally adjusted for BMI (continuous) at baseline.</p>