Table 1: Characteristics of persons age 40 and older in the US NHANES 2005–2008 (n = 2,708).

Mean ± SD or %

Age (years)*
Men (%)47.59
Current smoker (%)21.27
Inflammation and infection
 C-reactive protein, mg/L*
 White blood cell count, 1000 cells/ L*
Weight status
 Body mass index (kg/m2)*
 Weight change in past 1 year (%)
  Loss
   ≥10 kg6.19
   4–9 kg13.81
  Stable (<4 kg)63.91
  Gain
   4–9 kg12.84
   ≥10 kg3.25
 Weight change in past 10 years (%)
  Loss
   ≥10 kg6.91
   4–9 kg9.72
  Stable (<4 kg)33.28
  Gain
   4–9 kg25.65
   ≥10 kg24.44

*Unweighted averages were reported in order to obtain standard deviations (SD).