Modelling the potential health and economic benefits of reducing population sitting time in Australia

Table 3 The association between sitting time and chronic diseases

Disease	Number of studies	Meta-analysis results relative risk (95% CI)
Disease	Number of studies	Moderate SB 4–8 h sitting per day	High SB > 8 h sitting per day
Results from meta-analyses – used as model inputs to calculate disease incidence
Breast cancer	4 cohort studies [50,51,52]	1.05 (0.94; 1.18)	1.22 (1.08; 1.39)
Colorectal cancer	3 cohort studies [50,51,52]	1.03 (0.94; 1.13)	1.16 (1.07; 1.26)
Endometrial cancer	3 cohort studies [50,51,52]	1.29 (0.99; 1.67)	1.54 (1.29; 1.83)
T2D	6 cohort studies [50,51,52]	1.13 (0.94; 1.35)	1.31 (1.15; 1.48)
Results from a single cohort study
Stroke	1 cohort study [62]	1.05 (0.95; 1.15)	1.21 (1.07; 1.37)

CI confidence interval, SB sedentary behaviour, T2D type 2 diabetes, Reference group: Low sedentary behaviour, i.e. < 4 h of sitting per day

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