This study was designed based on a cross-sectional investigation conducted Shanghai, China. Demographic characteristics, diaper utilization, Activities of Daily Living (ADL) and emotion were collected by Unified Needs Assessment Form for Elderly Care Questionnaire. Cognition function was assessed by Mini-mental State Examination (MMSE) scale. Multivariate logistic regression was used for statistical analysis. The diaper utilization rate was 31.2%. Female, higher level of education, poorer ADL and cognition, more severe incontinence and financial dependence on others were facilitating factors for diaper usage (P < 0.05). The possibility of using diaper differed according to the intimacy of caregivers. Among incontinent individuals with relatively good ADL and cognition level, diaper utilization can significantly decrease the risk of going out only once a month (OR: 2.63 vs 4.05), and going out less than once a month (OR: 5.32 vs 6.53). Incontinence people who going out at least once a week had a lower risk of some negative emotion. Significantly, diaper utilization further decreased this risk. In conclusion, for incontinence elderly people with relatively independent ability, proper use of diaper may improve the frequency of outdoor activity and emotion. Nevertheless, diaper utilization should be decided based on elderly people's own will.
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