Associations of sedentary behavior and physical activity with older adults’ physical function: an isotemporal substitution approach

Table 2 Single-activity Models Examining the Associations of Each of SB, LIPA, and MVPA with Physical Function

	SB		LIPA		MVPA
	β	95%CI	β	95%CI	β	95%CI
Hand grip strength	−0.056	(−0.130, 0.017)	0.058	(−0.024, 0.141)	0.092	(−0.135, 0.318)
Usual gait speed	−0.003	(−0.006, −0.001) **	0.001	(−0.001, 0.004)	0.019	(0.011, 0.026) ***
Maximum gait speed	−0.004	(−0.007, −0.001) *	0.002	(−0.002, 0.005)	0.025	(0.016, 0.034) ***
Time up and go	0.021	(0.008, 0.034) **	−0.011	(−0.025, 0.004)	−0.155	(−0.153, −0.077) ***
One-legged stance with eyes open	−0.238	(−0.477, 0.001)	0.139	(−0.131, 0.409)	1.187	(0.462, 1.913) **

Note. * p < .05, **p < .01, ***p < .001. SB = sedentary behavior, LIPA = light-intensity physical activity, MVPA = moderate- to vigorous-intensity physical activity. Regression coefficients correspond to a 10-min increment of each activity
Adjusted for age (years), sex, BMI (kg/m2), the number of past illnesses, complications and comorbidity, smoking status (current smoker/never smoked, past smoker), drinking status (current drinker/non-drinker, past drinker), residence status (living alone/living with someone), highest educational attainment (up to and including high school / university, junior college, vocational school, or higher degree), and total wear time

ISSN: 1471-2318