Maciej Hyzy, Raymond Bond, Maurice Mulvenna, Lu Bai, Anna-Lena Frey, Jorge Martinez Carracedo, Robert Daly, Simon Leigh
Don't judge a book or health app by its cover: User ratings and downloads are not linked to quality
PloS one
cognitive dysfunction one leading causes disability dependence older adults major economic burden public health system aim study investigate risk factors cognitive dysfunction predictive value older adults northwest china crosssectional study conducted using multistage sampling method questionnaires distributed elderly disability monitoring platform older adults aged 60 years northwest china divided cognitive dysfunction normal cognitive function groups addition univariate analyses logistic regression decision tree modelling used construct model identify factors predict occurrence cognitive dysfunction older adults total 12494 valid questionnaires collected including 2617 participants cognitive dysfunction group 9877 participants normal cognitive function group univariate analysis revealed ethnicity bmi age educational attainment marital status type residence residency status current work status main economic source type chronic disease longterm use medication alcohol consumption participation social activities exercise status social support total scores balanced test assessment total scores gait speed assessment total score activities daily living adl significantly different two groups p 005 according logistic regression analyses ethnicity bmi educational attainment marital status residency main source income chronic diseases annual medical examination alcohol consumption exercise status total scores balanced test assessment activities daily living adls found influence cognitive dysfunction older adults p 005 decision tree model ability perform activities daily living root node followed total scores balanced test assessment marital status educational attainment age annual medical examination ethnicity traditional risk factors including bmi literacy alcohol consumption potentially modifiable risk factors including balance function ability care oneself daily life widowhood significant impact increased risk cognitive dysfunction older adults northwest china use decision tree models help health care workers better assess cognitive function older adults develop personalized interventions research could help gain insight mechanisms cognitive dysfunction provide new avenues prevention intervention