Comparing ambulatory commercial spending in Rhode Island and Massachusetts, 2016-2019.

Objective: To evaluate trends and drivers of commercial ambulatory spending and price variation.

Data Sources And Study Setting: Commercial claims data from the Massachusetts and Rhode Island All-Payer Claims Databases from 2016 to 2019.

Study Design: Observational study of spending in major ambulatory care settings.

Declining Trends and Widening Disparities in Overweight and Obesity Prevalence Among Massachusetts Public School Districts, 2009-2014.

Objectives: We evaluated the overall and sociodemographic disparities in trends in prevalence of childhood overweight and obesity in Massachusetts public school districts between 2009 and 2014.

Methods: In 2009, Massachusetts mandated annual screening of body mass index for students in grades 1, 4, 7, and 10. This was part of the statewide Mass in Motion prevention programs.