Muscle mass rather than muscle strength or physical performance is associated with metabolic syndrome in community-dwelling older Chinese adults

Table 2 Logistic regression analyses of the association of grip, SMI, TUGT, and walking speed quartiles with MetS

	Q1	Q2	Q3	Q4	P for trend
Grip/weight(%)
N	353	353	354	353
Crude	Ref	0.88 (0.65–1.19)	0.55 (0.41–0.75)	0.23 (0.17–0.32)	0.012
Adjusted model	Ref	0.98 (0.63–1.52)	0.40 (0.25–0.64)	0.37 (0.21–0.65)	0.106
SMI (%)
N	350	354	354	385
Crude	Ref	0.68 (0.50–0.93)	0.48 (0.36–0.66)	0.12 (0.09–0.18)	0.009
Adjusted model	Ref	0.67 (0.45–1.00)	0.27 (0.15–0.47)	0.04 (0.01–0.14)	0.014
WS (m/s)
N	352	354	354	353
Crude	Ref	0.80(0.59–1.07)	0.73 (0.54–0.98)	0.59 (0.43–0.79)	0.004
Adjusted model	Ref	0.71(0.44–1.15)	0.75 (0.45–1.24)	0.71 (0.42–1.21)	0.181
TUGT (s)
N	353	354	354	352
Crude	Ref	1.60 (1.18–2.16)	1.34 (0.99–1.81)	1.66 (1.23–2.25)	0.270
Adjusted model	Ref	1.42 (0.85–2.37)	1.13 (0.67–1.89)	1.09 (0.64–1.87)	0.247

Data are presented as adjusted OR, with 95% CI in parentheses, unless otherwise stated
Adjusted model is adjusted with age, sex, smoking status, drinking, occupation, MNA, educational level, family income and physical activity level, CHD, stroke
Notes: SMI skeletal muscle mass index, TUGT timed up and go test, WS 4 m walking speed, MNA Mini-Nutritional Assessment, MetS metabolic syndrome, Q quartiles

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