Table 3.

Multiple linear regression models showing the association between handgrip strength and offspring vs. partners of the offspring status

	Handgrip strength (kg)		p Value
	B	SE
Model 1
Offspring/partnersa	0.00	0.49	0.994
Age (years)	−0.44	0.04	<0.001
Genderb	18.47	0.50	<0.001
Model 2
Offspring/partners	6.67	4.82	0.167
Age (years)	−0.30	0.07	<0.001
Gender	29.08	3.42	<0.001
Gender×age interaction	−0.17	0.05	0.002
Offspring/partners×age interaction	−0.10	0.08	0.179
Model 3
Offspring/partners	0.11	0.54	0.832
Age (years)	−0.26	0.06	<0.001
Gender	32.21	5.32	<0.001
Gender×age interaction	−0.25	0.08	0.003
Body composition
Relative appendicular lean mass (kg/m2)	0.44	0.20	0.030
Whole body percentage fat mass (%)	−0.18	0.04	<0.001
Sum score of comorbidities	−0.67	0.45	0.136
Sum score of medication categories	0.55	0.37	0.139
Thyroid function test, fT3 (pmol/l)	0.17	0.40	0.675
Current smoking	−0.92	0.82	0.267
Excessive alcohol use	−0.32	0.68	0.639

B unstandardized regression coefficients, SE standard error

^aOffspring = 0, partners = 1

^bfemale = 0, male = 1