Figure 1: Mean Physical Component Summary scores for SHIELD respondents who reported exercising regularly or trying to lose weight by weight category. ANOVA ; normal weight = body mass index (BMI) 25.0 kg/ overweight = BMI between 25.0 and 29.9 kg/ obese = BMI between 30.0 and 39.9 kg/ morbidly obese = BMI 40 kg/m2.