Association between diabetes mellitus and health-related quality of life among patients with chronic kidney disease: results from the Chinese Cohort Study of Chronic Kidney Disease (C-STRIDE)

Table 3 The linear regression between diabetes and KDQOL™-36 scales stratified by CKD stages

KDQOL™-36 scales	CKD stage 1–2		CKD stage 3–4
	(n = 979)		(n = 1763)
	univariate regression	multivariable regression^**	univariate regression	multivariable regression^**
Log transformed symptoms and problems (S)^†	0.015	−0.0027	0.029^*	0.016^*
Effects of kidney disease (E)	−1.95^*	−2.11^*	−0.71	−0.53
Burden of kidney disease (B)	−4.64	− 4.37	0.071	−0.36
SF-12 Physical Function (PCS)	−3.39^*	−1.81^*	− 3.53^*	−2.42^*
SF-12 Mental Function (MCS)	−1.08	−1.15	0.33	0.43

Abbreviations: CKD Chronic kidney disease
Note 1: ^*Statistically significant at 0.05
Note 2: ^**Covariates are the same as those used for each KDQOL™-36 scale in Table 2
Note 3: ^† The log transformation was performed by the formula: ln (175-score of symptoms and problems)

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