Objective To examine the comorbidity of chronic diseases and its associates among community residents of Jiading district of Shanghai city and to provide evidences for comprehensive prevention of common chronic diseases in community populations.
Methods Using multistage stratified cluster random sampling, we recruited 10 053 permanent residents aged 20 – 75 years in 12 neihborhood committees/villages in Jiading district of Shanghai municipality and conducted face-to-face questionnaire survey and physical examination among the residents during July – September 2019.
Results Among the participants, 4 920 (48.94%) were identified suffering from at least two chronic diseases; of all the sufferers of chronic disease comorbities, 1 988 (40.41%), 1 314 (26.71%), and 1 618 (32.89%) had two, three, and four or more chronic diseases. The results of unconditional multivariate logistic regression analysis demonstrated that male gender, aged ≥ 30 years, lack of physical exercise and with poor sleep quality were risk factors for chronic disease comorbidities; whereas, not smoking, having good sleep quality and without sweet food preference were protective factors against chronic disease comorbidities for the participants.
Conclusion Among community residents of Jiading district of Shanghai municipality, the prevalence of chronic disease comorbidities is relatively high and mainly influenced by gender, age, smoking, physical exercise, sleep quality and sweet food preference.
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