Table 4.

Results from the fixed-effects regressions for sedentary time broken down into prolonged (30+ minutes) and short (<30 min) bouts. Data were collected between 2011 and 2013 in Columbia, SC.

Predictors	Dependent variables: change across 1 year
	∆POMS														∆PSS		∆Sleep Duration
	∆ TMD		∆ Ten		∆ Dep		∆ Ang		∆ Vig		∆ Fat		∆ Con
	Std. ß	p	Std. ß	p	Std. ß	p	Std. ß	p	Std. ß	p	Std. ß	p	Std. ß	p	Std. ß	p	Std. ß	p
∆ sed bouts of 30+	0.29⁎	0.003	0.16	0.09	0.03	0.19	0.25⁎	0.01	−0.15	0.11	0.25⁎	0.01	0.27⁎	0.006	0.27⁎	0.005	−0.70⁎	<0.0001
∆ sed bouts of <30	0.27⁎	0.004	0.17	0.07	0.23⁎	0.02	0.17	0.07	−0.18	0.06	0.20⁎	0.04	0.27⁎	0.003	0.17	0.08	−0.84⁎	<0.0001
Baseline sed time in bouts of 30+	0.16	0.06	0.08	0.34	0.24⁎	0.01	0.28⁎	0.001	0.01	0.93	0.08	0.34	0.16	0.07	0.10	0.25	−0.02	0.74
Baseline sed time in bouts of <30	0.08	0.29	−0.01	0.89	0.16	0.06	0.17⁎	0.04	−0.05	0.54	0.01	0.89	0.05	0.52	0.00	0.97	−0.00	0.97
Baseline steps	0.04	0.59	−0.00	0.98	0.11	0.18	0.11	0.12	−0.03	0.67	−0.05	0.46	0.01	0.90	0.03	0.67	−0.00	0.98
∆ steps	0.01	0.90	−0.03	0.69	0.17	0.34	0.13	0.07	0.06	0.38	−0.07	0.34	0.04	0.59	−0.07	0.34	−0.27⁎	<0.0001
Overall Model (R2)	0.05⁎	0.049	0.03	0.36	0.06	0.41	0.05⁎	0.031	0.03	0.17	0.04	0.06	0.05	0.06	0.05⁎	0.033	0.37⁎	<0.0001

∆ = change; POMS=Profile of Mood States; TMD = Total Mood Disturbance; Ten = tension; Dep = depression; Ang = anger; Vig = vigor; Fat = fatigue; Con = confusion; PSS=Perceived Stress Scale.

^⁎Significant at p < 0.05.