Table 2.

Body Mass Index Knowledge of Survey Patients^*

BMI Knowledge	2013 Survey	2017 Survey	P Value^†
What does BMI stand for?	61.2	71.1	0.02
BMI is related to what medical concern?	50.7	65.5	0.0005
A BMI of 25 or greater means…	18.3	23.7	0.12
A BMI of 30 or greater means…	19.2	21.1	0.57
A BMI of 40 or greater means…	14.5	20.6	0.06
Do you know what your BMI is?	19.4	18.2	0.73
Have you heard of BMI before this survey?	63.3	71.4	0.04
Has your doctor ever discussed BMI with you	20.1	28.7	0.02

BMI, body mass index.
↵* Data are percentage choosing the correct answer or answering “yes” to the question.
↵† χ² comparison of responses of BMI knowledge questions between patients from 2013 and patients from 2017.