Table 1 |
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Selected characteristics of subjects from CRC case-control study in NL and ON |
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Characteristicsa |
Cases(n = 1760) |
Controls(n = 2481) |
|
|
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|
No. (%) |
No. (%) |
|
|
|
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|
Age (years)* |
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|
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 |
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|
Males |
935(53.1) |
1357(54.7) |
|
Females |
825(46.9) |
1124(45.3) |
|
Province of residence |
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|
NL |
488(27.7) |
651(26.2) |
|
ON |
1272(72.3) |
1830(73.8) |
|
BMIb (kg/m2)* |
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|
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)* |
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|
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* |
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|
No |
1582(89.9) |
2337(94.2) |
|
Yes |
178(10.1) |
144(5.8) |
|
Reported any colon screening procedure* |
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|
No |
1500(85.2) |
1861(75.0) |
|
Yes |
260(14.8) |
620(25.0) |
|
Regular use of NSAIDb* |
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|
No |
1163(66.1) |
1439(58.0) |
|
Yes |
597(33.9) |
1042(42.0) |
|
Education attainment* |
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|
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)* |
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|
< 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) |
|
|
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|
a All characteristic variables presented as number(%). b BMI, body mass index; METs/week, metabolic equivalent hours per week; NSAID, nonsteroid anti-inflammatory drug. * Significant differences between cases and controls (p ≤ 0.05) |
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|
Sun et al. Nutrition Journal 2012 11:18 doi:10.1186/1475-2891-11-18 |
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