Table 3.

Variables most associated with grip strength.

	Independent variables	Regression coefficients	Cumulative R 2	P values
Women n = 79	Age	−0.13		0.0043
	Question  4	−0.66		<0.001
	Intercept	17.61	0.54	<0.001
Men n = 44	Age	−0.20		0.0095
	Question  28	−1.97		<0.001
	Intercept	26.9	0.46	<0.001

Question  4: do you have difficulty in opening a jar of jam (or jar of something else) that has never been opened?

Question  28: how would you rate your grip strength compared to other people in your age?