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Table 2
Presence of chronic disease by categories of sitting time
Odds (95% CI) of having a chronic disease
	Any chronic disease		Cancer		Heart disease		Diabetes		High blood pressure
Sitting time model 1^a
0 to <4^*	1.00		1.00		1.00		1.00		1.00
4 to <6	1.09	1.04 - 1.14	1.07	0.97 - 1.18	1.07	0.99 - 1.16	1.12	1.03 - 1.23	1.06	1.01 - 1.11
6 to <8	1.12	1.07 - 1.18	1.14	1.02 - 1.27	1.13	1.03 - 1.23	1.19	1.08 - 1.31	1.10	1.04 - 1.16
≥8	1.04	0.99 - 1.08	0.98	0.89 - 1.08	0.95	0.88 - 1.03	1.15	1.06 - 1.25	1.04	0.99 - 1.09
Sitting time model 2^b
0 to <4^*	1.00		1.00		1.00		1.00		1.00
4 to <6	1.07	1.01 - 1.13	1.03	0.92 - 1.16	1.03	0.94 - 1.14	1.04	0.94 - 1.16	1.04	0.98 - 1.11
6 to <8	1.12	1.06 - 1.19	1.13	1.00 - 1.27	1.13	1.02 - 1.25	1.18	1.05 - 1.32	1.08	1.01 - 1.15
≥8	1.12	1.06 - 1.19	1.07	0.95 - 1.19	1.04	0.95 - 1.15	1.25	1.13 - 1.38	1.09	1.03 - 1.15
Sitting time model 3^c
0 to <4^*	1.00		1.00		1.00		1.00		1.00
4 to <6	1.06	1.00 - 1.12	1.02	0.91 - 1.15	1.01	0.92 - 1.11	1.03	0.92 - 1.14	1.03	0.97 - 1.09
6 to <8	1.10	1.03 - 1.16	1.10	0.97 - 1.24	1.08	0.98 - 1.20	1.15	1.03 - 1.28	1.06	0.99 - 1.13
≥8	1.09	1.03 - 1.15	1.03	0.92 - 1.16	0.99	0.90 - 1.08	1.21	1.09 - 1.33	1.06	1.00 - 1.12

* Reference category.

^a Unadjusted odds for sitting time alone.

^b Adjusted for physical activity, age, pre-tax household income, educational qualification, smoking status, and BMI.

^c Adjusted for physical activity, age, pre-tax household income, educational qualification, smoking status, BMI and functional limitation.

George et al. International Journal of Behavioral Nutrition and Physical Activity 2013 10:20 doi:10.1186/1479-5868-10-20

Table 2