Abstract
The objective of this study is to examine how increasing body mass index (BMI) among nursing home residents affects the amount of staffing assistance needed for activities of daily living (ADL). We analyzed 1,627,141 US nursing home residents reported in the 2013 Minimum Data Set in seven BMI categories, from underweight (BMI < 18.5 kg/m(2)) to obesity Class IIIB (≥50 kg/m(2)). Logistic regression models estimated the odds of nursing home-reported need for extensive (≥2 staff member) assistance needed for ADLs. The adjusted odds increased from 1.07 (95% Confidence Interval (95%CI) 1.06-1.08) for Class I, 1.16 (95%CI 1.14-1.17) for Class II, 1.33 (95%CI 1.31-1.35) for Class IIIA, and 1.90 (95%CI 1.86-1.95) for Class IIIB obesity residents compared to residents of normal weight. As a nursing home resident's BMI increases, especially for BMI ≥40 kg/m(2), the need for extensive staffing assistance with ADLs also increases substantially.