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

Table 1 Age group and sex-adjusted odds ratio estimates for pancreas cancer risk factors among Cases and Controls from Ontario, Canada (n = 1569)

Characteristic	Cases (N = 315) N	%	Controls (N = 1254) N	%	OR^a (95% CI)
Family History of Pancreas Cancer^b
No	261	83	1144	91	1.00
Yes	33	11	46	4	3.16 (1.97, 5.06)
Don’t know	21	7	60	5
Missing	0	0	4	0.3
Cigarette Smoking
Never	123	39	569	45	1.00
Ever	190	60	684	55	1.29 (1.00, 1.67)
Missing	2	1	1	0.1
Alcohol Consumption^c
Never	107	34	403	32	1.00
Former	26	8	88	7	1.14 (0.69, 1.86)
Current	181	57	754	60	0.92 (0.69, 1.21)
Missing	0	0.7	9	1
Body Mass Index (kg/m²)^d
< 25.0	103	33	399	32	1.00
25.0- < 30.0	107	34	512	41	0.84 (0.62, 1.14)
≥ 30.0	101	32	336	27	1.24 (0.90, 1.71)
Missing	4	1	7	1
Ethnicity
Caucasian	268	85	1153	92	1.00
Other	45	14	98	8	1.97 (1.35, 2.88)
Missing	2	0.6	3	0.2
Education^e
College/University graduate	127	40	571	46	1.00
High school graduate or less	185	59	679	54	1.17 (0.91, 1.51)
Missing	3	1	4	0.3
Gender
Male	162	51	666	53	–
Female	153	49	588	47	–
Age (y)^f
< 60	81	26	439	35	–
60–64	64	20	285	23	–
65–69	63	20	218	17	–
≥ 70	104	33	312	25	–
Missing	3	1	0	0	–

a. Age group and sex adjusted OR
b. First degree relatives
c. Approximately 2 years prior to questionnaire completion
d. One year before questionnaire completion
e. Highest level of education reached
f. Age at pancreas cancer diagnosis for cases; age at questionnaire completion for control

ISSN: 1471-2407