Association between handgrip strength and depressive symptoms in patients undergoing hemodialysis: a cross-sectional study from a single Chinese center

Table 3 Association between weighted handgrip strength (handgrip strength/weight, kg/kg) and depressive symptoms in hemodialysis patients.

	Tertiles of weighted handgrip strength			p for trend^a	per SD increase
	T1	T2	T3	p for trend^a	per SD increase
Weighted handgrip strength (kg/kg)	0.233 (0.226–0.240)^b	0.341 (0.337–0.345)	0.487 (0.476–0.498)
No. of patients	189	189	190
Crude model	Reference (1.00)	0.76 (0.50–1.16)^c	0.50 (0.32–0.76)	0.002	0.74 (0.62–0.89)
Adjusted model 1^d	Reference (1.00)	0.67 (0.43–1.04)	0.39 (0.23–0.64)	< 0.001	0.67 (0.53–0.82)
Adjusted model 2^e	Reference (1.00)	0.67 (0.43–1.04)	0.38 (0.23–0.63)	< 0.001	0.66 (0.53–0.82)
Adjusted model 3^f	Reference (1.00)	0.67 (0.42–1.07)	0.41 (0.24–0.69)	< 0.001	0.68 (0.54–0.85)

^ap-value for linear trend calculated from category median values;
^bMean (95% confidence interval) (all such values);
^cOdds ratio (95% confidence interval) (all such values);
^d Adjusted for age, sex, and body mass index;
^e Additionally adjusted for time on dialysis based on Model 1;
^f Additionally adjusted for physical activity, educational level, household income, smoking status, drinking status, marital status and comorbidities based on Model 2

ISSN: 1471-244X