Multimorbidity associated with functional independence among community-dwelling older people: a cross-sectional study in Southern China

Table 5 Loadings of factors with eigenvalue >1 and logistic regression analysis between functional independence and multimorbidity groups

	Factor loadings
	SGD-CKD-GE and PVD group	Neuropsychiatric-stroke group	Bones and pain group	Cardiometabolic group	Lung and cancer group
Factor analysis
Hypertension				0.64
Diabetes mellitus				0.63
Hyperlipidemia	0.50			0.44
PVD	0.45
Heart disease	0.44
CKD	0.48
SGD	0.60
Gastroenteritis	0.45
Chronic pain			0.63
Bone diseases			0.68
Gout			0.38
Pulmonary disease					0.68
Cancer					0.65
Dementia		0.72
Mental disorder		0.70
Stroke		0.44
Multiple sclerosis		0.52
Prevalence, n (%)	291 (10.8)	13 (0.5)	372 (13.8)	442 (16.3)	4 (0.1)
Regression analysis
Crude OR (95% CI)	1.48(1.14–1.93)^**	7.32(0.95–56.38)	1.69(1.33–2.16)^**	1.43(1.15–1.78)^**	1.82(0.19–17.52)
Adjusted OR (95% CI)	1.29(0.96–1.74)	3.97(0.50–31.72)	1.41(1.09–1.84)^**	1.31(1.03–1.66)^*	1.61(0.15–16.72)

Factor loadings <0.35 have been omitted. SGD Spleen and gallbladder diseases, GE Gastroenteritis, PVD Peripheral vascular disease, CKD Chronic kidney disease. ^aModels per group, adjusted for age, gender, marital status, education level, employment, individual economic conditions, body mass index and all the other factors. OR Odds ratio, CI Confidence interval. ^* P < 0.05, ^** P < 0.01

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