Table 1 Selected characteristics of subjects from CRC case-control study in NL and ON
Characteristicsa | Cases(n = 1760) | Controls(n = 2481) |
|---|---|---|
| Â | No. (%) | No. (%) |
Age (years)* | Â | Â |
   18-49 | 368(20.9) | 265(10.7) |
   50-59 | 412(23.4) | 690(27.8) |
   60-69 | 646(36.7) | 998(40.2) |
   70+ | 334(19.0) | 528(21.3) |
Sex | Â | Â |
   Males | 935(53.1) | 1357(54.7) |
   Females | 825(46.9) | 1124(45.3) |
Province of residence | Â | Â |
   NL | 488(27.7) | 651(26.2) |
   ON | 1272(72.3) | 1830(73.8) |
BMIb (kg/m2)* | Â | Â |
   Underweight(< 18.5) | 23(1.3) | 22(0.9) |
   Normal(18.5-24.9) | 595(33.8) | 930(37.5) |
   Overweight (25-29.9) | 748(42.5) | 1069(43.1) |
   Obese(≥ 30) | 394(22.4) | 460(18.5) |
Physical activity (METs/weekb)* | Â | Â |
   0 - 7.4 | 465(26.4) | 595(24.0) |
   7.4 - 22.4 | 348(19.8) | 633(25.5) |
   22.4 - 53.0 | 429(24.4) | 633(25.5) |
   > 53.0 | 518(29.4) | 620(25.0) |
Family history of CRC* | Â | Â |
   No | 1582(89.9) | 2337(94.2) |
   Yes | 178(10.1) | 144(5.8) |
Reported any colon screening procedure* | Â | Â |
   No | 1500(85.2) | 1861(75.0) |
   Yes | 260(14.8) | 620(25.0) |
Regular use of NSAIDb* | Â | Â |
   No | 1163(66.1) | 1439(58.0) |
   Yes | 597(33.9) | 1042(42.0) |
Education attainment* | Â | Â |
   High school graduate or less | 884(50.2) | 1042(42.0) |
   Technical school/some college/university | 540(30.7) | 866(34.9) |
   Bachelor's degree/graduate degree | 336(19.1) | 573(23.1) |
Household income ($CAN)* | Â | Â |
   < 12,000 | 109(6.2) | 154(6.2) |
   12,000-29,999 | 507(28.8) | 573(23.1) |
   30,000-49,999 | 547(31.1) | 777(31.3) |
   ≥ 50,000 | 597(33.9) | 977(39.4) |