Table 3. Hazard ratios and 95% confidence intervals of mortality according to quartiles of sedentary time in different subsamples^a.

	Model 1c		Model 2d		Model 3e		Model 4f
	HR	95%CI	HR	95%CI	HR	95%CI	HR	95%CI
Hours of sedentary timeb
1 (lowest)	1.00 (REF)		1.00 (REF)		1.00 (REF)		1.00 (REF)
2	0.93	0.40–2.14	3.06	1.26–4.75	1.97	0.66–5.91	1.92	0.50–7.32
3	2.02	0.78–5.23	1.59	0.59–4.26	5.01	1.39–18.08	3.02	1.21–7.55
4 (highest)	2.62	1.15–5.99	4.16	1.22–14.16	8.31	2.54–27.18	4.62	1.76–12.11
Percent sedentary timeb
1 (lowest)	1.00 (REF)		1.00 (REF)		1.00 (REF)		1.00 (REF)
2	0.89	0.28–2.89	0.95	0.26–3.50	1.85	1.10–7.79	1.96	0.55–7.04
3	2.57	0.98–6.72	2.53	0.96–4.70	1.97	0.87–4.43	4.78	1.38–16.65
4 (highest)	4.24	1.76–10.24	3.34	1.10–10.18	2.92	1.10–7.80	6.49	2.05–20.61

^aAdjusted for gender, age, race/ethnicity, educational level, smoking status, alcohol intake, BMI, diabetes, coronary heart disease, congestive heart failure, cancer, stroke, mobility limitation, and moderate to vigorous physical activity.

^bQuartile cut-off point sedentary time men: 7.6, 9.2, 10.8 hrs, women: 7.2, 8.7 10.1 hrs; percent sedentary time: men: 55.4, 64.7, 73.5%, women: 53.9, 61.9, 70.5%.

^cExcluded participants with mobility limitation, n = 1518, 111 deaths.

^dExcluded participants with diabetes, coronary heart disease, congestive heart failure, and stroke n = 1326, 70 deaths.

^eExcluded participants with cancer, n = 1583, 96 deaths.

^fExcluded first year of follow-up, n = 1855, 94 deaths.