Table 1.

Demographic and clinical characteristics of MECC study participants (N = 9,242)

Cases (n = 5,145)Controls (n = 4,097)
N (%)N (%)
Age, mean (SD)68.7 (12.2)70.7 (11.9)
Sex (%)
 Male2,689 (52.3)2,121 (51.8)
 Female2,456 (47.7)1,976 (48.2)
Ethnicity (%)
 Ashkenazi3,248 (63.1)2,416 (59.0)
 Sephardi1,006 (19.5)976 (23.8)
 Arab764 (14.8)487 (11.9)
 Non-Jewish, non-Arab126 (2.4)59 (1.4)
Family history of CRC (first-degree relative)447 (8.7)242 (5.9)
Vegetable consumption (≥5/day)2,882 (56.0)2,524 (61.6)
Sports activity1,454 (28.3)1,680 (41.0)
Statins use, 5+ years690 (13.4)772 (18.8)
Daily aspirin use, 2+ years1,009 (19.6)1,188 (29.0)
Smoking status
 Current424 (8.2)525 (12.8)
 Former1,487 (28.9)1,173 (28.6)
 Never2,826 (54.9)2,020 (49.3)
Site
 Colon3,788 (73.6)
 Rectum1,160 (22.5)
 Other or missing197 (3.8)
Stage
 1385 (7.5)
 2825 (16.0)
 3586 (11.4)
 4471 (9.2)
 Missinga2,862 (55.6)

Abbreviation: CRC, colorectal cancer.

  • aAlthough T and N staging was available for all cases, metastasis staging requires individual medical record review which is complete for only 2,267 cases. Medical record review continues.