Journal of Aging Research

Research Article

A Cross-Sectional Examination of Patterns of Sedentary Behavior and Cardiometabolic Risk in Community-Dwelling Adults Aged 55 Years and Older

Table 2

Associations between SB measures and selected cardiometabolic biomarkers.


	BMI			WC			SBP			DBP
	β (95% CI)	R²_adj	∆R²	β (95% CI)	R²_adj	∆R²	β (95% CI)	R²_adj	∆R²	β (95% CI)	R²_adj	∆R²

Total SB (min/day)	0.010 (−0.014, 0.034)	0.017	0.014	0.044 (−0.029, 0.118)	−0.020	0.031	0.077 (−0.007, 0.162)	0.251	0.053	0.052 (0.008, 0.096)	0.035	0.112
Number of sedentary bouts
# (bouts/day)	−0.260 (−0.839, 0.319)	0.021	0.017	−0.296 (−2.096, 1.505)	−051	0.002	0.521 (−1.577, 2.619)	0.198	0.004	−0.023 (−1.152, 1.107)	−0.087	0.000
Bout length (min)	0.210 (−0.013, 0.432)	0.155	0.069	0.634 (−0.053, 0.1.322)	0.023	0.070	0.513 (−0.306, 1.332)	0.222	0.026	0.575 (0.164, 0.987)	0.079	0.152
Number of sedentary breaks
(# breaks/day)	−0.260 (−0.839, 0.319)	0.021	0.017	−0.297 (−2.098, 1.503)	−0.051	0.002	0.516 (−1.583, 2.614)	0.198	0.004	−0.022 (−1.151, 1.107)	−0.087	0.002
Break length (min)	0.016 (−0.055, 0.088)	0.007	0.004	0.020 (−0.201, 0.241)	−0.053	0.001	−0.048 (−0.305, 0.210)	0.196	0.002	−0.081 (−0.218, 0.055)	−0.053	0.031

	TC (n = 38)			HDL (n = 38)			Non-HDL (n = 37)			GLU (n = 38)
	β (95% CI)	R²_adj	∆R²	β (95% CI)	R²_adj	∆R²	β (95% CI)	R²_adj	∆R²	β (95% CI)	R²_adj	∆R²

Sedentary time (min/day)	0.086 (−0.140, 0.311)	0.078	0.015	−0.111 (−0.215, 0.−006)	0.033	0.121	0.173 (−0.067, 0.414)	0.067	0.056	−0.030 (−0.131, 0.070)	−0.079	0.011
Sedentary bouts
# bouts/day	2.371 (−2.710, 7.451)	0.087	0.022	1.153 (−1.344, 3.651)	−0.074	0.026	1.989 (−3.559, 7.537)	0.020	0.015	−0.234 (−2.527, 2.059)	−0.090	0.001
Bout length (min)	−0.498 (−2.962, 1.966)	0.066	0.004	−1.529 (−2.615, −0.442)	0.117	0.196	0.309 (−2.748, 3.366)	0.005	0.001	−0.062 (−1.162, 1.038)	−0.091	0.000
Sedentary breaks
# breaks/day	2.2373 (−2.709, 7.455)	0.087	0.022	1.158 (−1.340, 3.656)	−0.073	0.026	1.986 (−3.564, 7.535)	0.020	0.014	−0.235 (−2.529, 2.058)	−0.090	0.001
Break length (min)	−0.113 (−0.723, 0.498)	0.066	0.004	−0.0571 (−0.357, 0.243)	−0.097	0.004	−0.062 (−0.712, 0.588)	0.005	0.001	0.012 (−0.261, 0.284)	−0.091	0.000

; ; all models were adjusted for age, wear time, and MVPA. BMI: body mass index; WC: waist circumference; SBP: systolic blood pressure; DBP: diastolic blood pressure; TC: total cholesterol; HDL: high-density lipoprotein; GLU: glucose; SB: sedentary behavior; MVPA: moderate-to-vigorous physical activity.