Table 3.

Multivariable Adjusted HRs for Colorectal Cancer for the Joint Association between Total Physical Activity and Sitting Time

	Physical Activity
		Inactive (≤1.7)	Low (1.8–7.4)	Medium (7.5–20)	High (>20)	P for interaction
Sitting Time	≥ 10	1.00	1.11 (0.75–1.65)	0.97 (0.65–1.43)	0.71 (0.41–1.22)	0.62
	5.1–9.9	1.11 (0.78–1.58)	0.93 (0.66–1.30)	0.91 (0.66–1.27)	0.85 (0.60–1.20)
	≤ 5	0.76 (0.48–1.20)	0.85 (0.58–1.25)	0.89 (0.62–1.26)	0.75 (0.52–1.10)

MV model: Race, education, total caloric intake, fiber intake, calcium intake, vitamin D intake, red meat intake, alcohol, hormone replacement therapy, income, marital status, smoking, family history of CRC, CRC screening, aspirin and multivitamin use