Figure 2.

Prevalence of overweight and obesity, increased waist circumference, and low fat-free mass in smoking groups. (a) Prevalence of overweight and obesity based on rheumatoid arthritis (RA)-specific body mass index for current, ex-, and never-smokers. (b) Prevalence of overweight and obesity based on body fat for current, ex-, and never-smokers. (c) Prevalence of high risk based on waist circumference for current, ex-, and never-smokers. (d) Prevalence of low fat-free mass for current, ex-, and never-smokers. Chi-square analyses identified significant defences among smoking groups for prevalence of (a) overweight and obesity based on body mass index (P < 0.05), (b) overweight and obesity based on body fat (P < 0.05), and (c) increased waist circumference (P < 0.05). Prevalence of low fat-free mass did not differ between groups (P > 0.05).

Stavropoulos-Kalinoglou et al. Arthritis Research & Therapy 2008 10:R59   doi:10.1186/ar2429
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