Ruopeng An

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INTRODUCTION Varying neighborhood definitions may affect research on the association between food environments and diet and weight status. The objective of this study was to examine the association between number and type of neighborhood food outlets and dietary intake and body mass index (BMI) measures among California adults according to the geographic(More)
OBJECTIVES This paper aims to examine the relationship between obesity and onset of depression among U.S. middle-aged and older adults. METHODS Data came from 1994 to 2010 waves of the Health and Retirement Study. Study sample consisted of 6514 community-dwelling adults born between 1931 and 1941 who were free of clinically relevant depressive symptoms in(More)
OBJECTIVES This study examined the impact of co-occurring cognitive impairment and depression on functional limitations, hospital and nursing home admissions, and out-of-pocket expenditures (OOPEs) among older adults. METHODS Individual mixed-effects regressions were performed to examine the relationship between cognitive impairment and depression and(More)
There has been growing evidence showing gait variability provides unique information about gait characteristics in neurological disorders. This study systemically reviewed and quantitatively synthesized (via meta-analysis) existing evidence on gait variability in various neurological diseases, including Alzheimer's disease (AD), amyotrophic lateral(More)
BACKGROUND Drinking plain water, such as tap or bottled water, provides hydration and satiety without adding calories. We examined plain water and sugar-sweetened beverage (SSB) consumption in relation to energy and nutrient intake at full-service restaurants. METHODS Data came from the 2005-2012 National Health and Nutrition Examination Survey,(More)
OBJECTIVE Children with special healthcare needs (CSHCN) are those who have or are at elevated risk for a chronic physical, developmental, behavioral or emotional condition and need healthcare services of a type or quantity beyond that required by children generally. Within CSHCN, a small group of children with medical complexity have medical vulnerability(More)
OBJECTIVE The upsurge in prevalence and long-term use of antidepressants among older adults might have profound health implications beyond depressive symptom management. This study examined the relationship between antidepressant use and functional limitation onset in U.S. older adults. METHODS Study sample came from 2006 and 2008 waves of the Health and(More)
BACKGROUND Physical inactivity is a leading cause of morbidity, disability and premature mortality in the U.S. and worldwide. This study aimed to map the prevalence of physical inactivity across U.S. states over the past three decades, and estimate the over-time adjusted changes in the prevalence of physical inactivity in each state. METHODS(More)