RESEARCH ARTICLE The home environment an

Full list of author information is available at the end of the articleBackground Childhood obesity disproportionally affects low-income children [1], which may contribute to socioeconomic disparities in obesity-related chronic diseases throughout the lifespan [2]. Socioecologic models attribute child-hood obesity to intersecting social, economic, environ-mental, and psychobiologic drivers of energy intake and expenditure [3]. Prior work based on this model has largely focused on neighborhood-level factors, such as local access to healthy and unhealthy foods, geographic density of fast food outlets and supermarkets, and venues for physical activity in relation to childhood obesity risk [4,5]. A few recent studies have highlighted the role of the home environment in childhood obesity, including both its physical features and social processes involving children and caregivers [6]. Physical home environments charac-terized by greater availability of unhealthy foods, fewe