Physical Health and Cognitive Function Independently Contributed to Functional Disability among Chinese Older Adults: Data from Two Asian Metropolises

Table 3

Association between health factors and disability in Shanghai and Singapore: stratified analysis.

Variable	Shanghai (𝑛=4639)	Singapore (𝑛=2397)
	OR (95% CI)	OR (95% CI)
Number of chronic diseases	1.36 (1.22–1.52)	1.54 (1.21–1.97)
Self rated overall health	3.13 (2.55–3.85)	1.73 (1.07–2.81)
MMSE total score	0.91 (0.86–0.96)	0.83 (0.73–0.94)

Variables in the model: age, gender, number of chronic diseases, self-rated health status, and MMSE total score.