The Massachusetts BMI letter: a qualitative study of responses from parents of obese children.

Objectives: Massachusetts (MA) public schools conduct mandated body-mass index (BMI) screening and until recently, communicated results in a letter to parents/caregivers, to encourage primary care visits and provide aggregate data to the state Department of Public Health. This study assessed the letter's readability and qualitatively explored parents' responses to it.

Methods: Readability of the BMI letter was calculated.