Higher (self-reported) BMI means more likely to limit carb intake

50% of the consumers whose self-reported Body-Mass-Indices (BMI) are in the "obese" category have been trying to limit their carbohydrate intakes.
42% of the consumers whose self-reported BMI are in the "overweight" category have been trying to limit their carbohydrate intakes.
32% of the consumers whose self-reported BMI are in the "normal weight" category have been trying to limit their carbohydrate intakes.
13% of the consumers whose self-reported BMI are in the "underweight" category have been trying to limit their carbohydrate intakes.

The group differences are statistically significant (p < 0.0001).