Trajectories of physical activity, from young adulthood to older adulthood, and pancreatic cancer risk; a population-based case-control study in Ontario, Canada

Table 3 Odds ratio estimates for physical activity trajectories across life-course and pancreatic cancer risk among Cases and Controls from Ontario, Canada stratified by sex

Age-specific physical activity trajectories	Males				Females
Age-specific physical activity trajectories	Cases N = 162%	Controls N = 666%	OR^a (95% CI)	OR^b (95% CI)	Cases N = 153%	Controls N = 588%	OR^a (95% CI)	OR^b (95% CI)
Group 1: Inactive at all ages	13	14	1.00	1.00	23	18	1.00	1.00
Group 2: Low activity at all ages	28	28	1.10 (0.62, 1.95)	1.38 (0.74, 2.57)	40	38	0.83 (0.51, 1.33)	0.94 (0.55, 1.64)
Group 3: High activity in young adulthood with slight decrease in older adulthood	27	27	1.10 (0.61, 1.96)	1.35 (0.72. 2.51)	12	15	0.53 (0.27, 1.03)	0.57 (0.27, 1.21)
Group 4: Increasingly active	5	3	1.99 (0.76, 5.20)	2.53 (0.89, 7.20)	5	7	0.54 (0.22, 1.34)	0.62 (0.24, 1.61)
Group 5: High activity in young adulthood with substantial decrease in older adulthood	14	20	0.78 (0.41, 1.51)	0.90 (0.45, 1.81)	14	18	0.68 (0.37, 1.25)	0.71 (0.35, 1.41)
Group 6: Persistent high activity	13	9	1.57 (0.78, 3.17)	1.78 (0.83, 3.80)	7	5	1.01 (0.46, 2.25)	1.24 (0.51, 3.04)

a. Age group adjusted OR
b. Age group, alcohol consumption, smoking, vegetable consumption, fruit consumption, red meat consumption, family history of pancreatic cancer, race, education adjusted OR

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