A cross-sectional assessment of oxidative DNA damage and muscle strength among elderly people living in the community

Table 5 Multiple regression analysis for handgrip strength

Predictor	Standardized coefficient (β)	p Value	Adjusted R ²
Model 1			0.64
8-Hydroxy-2′-deoxyguanosine (ng/mg creatinine)	−0.186	0.010*
Age (years)	−0.181	0.015*
Gender	−0.522	<0.001*
Weight (kg)	0.35	<0.001*
BMI (kg/m²)	0.050	0.467
Model 2			0.65
8-Hydroxy-2′-deoxyguanosine (ng/mg creatinine)	−0.171	0.034*
Age (years)	−0.171	0.033*
Gender	−0.355	<0.001*
Weight (kg)	0.458	<0.001*
BMI (kg/m²)	0.069	0.347
Chronic disease (yes or no)	−0.094	0.259
Acute disease (yes or no)	−0.159	0.040*
Physical exercise (yes or no)	0.136	0.086
Alcohol consumption (yes or no)	−0.035	0.671

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