Fig. 1From: Differences in 5-year weight change between younger and older US firefightersWeight change over 5 years among firefighters by age and BMI category. Values are means ± SE. Both age and Body Mass Index (BMI) (modelled as continuous variables) were independently and significantly (P < 0.05) associated with 5-year weight change. Normal weight (< 25 kg/m2), Overweight (25–29.9 kg/m2), or Obese (≥30 kg/m2)Back to article page