Table 1. Descriptive characteristics of cancer patients and cancer-free controls (n 8096) participating in the databank and biorepository at a comprehensive cancer centre in western New York, USA, December 2003–July 2012.
| Men (n 2787) | Women (n 5309) | |||||||
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| Patients (n 2145) | Controls (n 642) | Patients (n 3273) | Controls (n 2036) | |||||
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| n | % | n | % | n | % | n | % | |
| Age | Men*** | Women*** | ||||||
| ≤30 years | 18 | 0.8 | 59 | 9.2 | 74 | 2.3 | 319 | 15.7 |
| 31–45 years | 101 | 4.7 | 115 | 17.9 | 478 | 14.6 | 429 | 21.1 |
| 46–60 years | 792 | 36.9 | 237 | 36.9 | 1295 | 39.6 | 786 | 38.6 |
| 61–75 years | 963 | 44.9 | 188 | 29.3 | 1115 | 34.1 | 427 | 21.0 |
| ≥76 years | 271 | 12.6 | 43 | 6.7 | 311 | 9.5 | 75 | 3.7 |
| Race/ethnicity | Men | Women | ||||||
| Non-Hispanic Whites | 2054 | 95.8 | 602 | 93.8 | 3044 | 93.0 | 1899 | 93.3 |
| Non-Hispanic Blacks | 64 | 3.0 | 24 | 3.7 | 128 | 3.9 | 69 | 3.4 |
| Hispanics | 11 | 0.5 | 4 | 0.6 | 37 | 1.1 | 28 | 1.4 |
| Others | 16 | 0.8 | 12 | 1.9 | 64 | 2.0 | 40 | 2.0 |
| Education | Men*** | Women*** | ||||||
| <High school | 169 | 7.9 | 19 | 3.0 | 233 | 7.1 | 35 | 1.7 |
| High school/GED | 536 | 25.0 | 93 | 14.5 | 941 | 28.8 | 347 | 17.0 |
| Some college | 687 | 32.0 | 187 | 29.1 | 1147 | 35.0 | 684 | 33.6 |
| College graduate | 417 | 19.4 | 167 | 26.0 | 504 | 15.4 | 565 | 27.8 |
| Advanced degree | 336 | 15.7 | 176 | 27.4 | 448 | 13.7 | 405 | 19.9 |
| BMI category (kg/m2) | Men | Women*** | ||||||
| Underweight (<18.5) | 17 | 0.8 | 2 | 0.3 | 63 | 1.9 | 35 | 1.7 |
| Normal weight (18.5–24.9) | 496 | 23.1 | 176 | 27.4 | 1054 | 32.2 | 766 | 37.6 |
| Overweight (25.0–29.9) | 918 | 42.8 | 269 | 41.9 | 966 | 29.5 | 650 | 31.9 |
| Obese (≥30.0) | 714 | 33.3 | 195 | 30.4 | 1190 | 36.4 | 585 | 28.7 |
| Fruit and vegetables (servings/d) | Men*** | Women*** | ||||||
| 1st quartile (<2.05) | 632 | 29.5 | 148 | 23.1 | 847 | 25.9 | 389 | 19.1 |
| 2nd quartile (2.05–3.45) | 591 | 27.6 | 167 | 22.0 | 778 | 23.8 | 479 | 23.5 |
| 3rd quartile (3.46–5.41) | 514 | 24.0 | 169 | 26.3 | 808 | 24.7 | 549 | 27.0 |
| 4th quartile (>5.41) | 408 | 19.0 | 158 | 24.6 | 840 | 25.7 | 619 | 30.4 |
| Physical activity† | Men | Women*** | ||||||
| Much less active | 46 | 2.1 | 7 | 1.1 | 136 | 4.2 | 42 | 2.1 |
| Less active | 228 | 10.6 | 63 | 9.8 | 463 | 14.2 | 296 | 14.5 |
| About the same | 532 | 24.8 | 151 | 23.5 | 1071 | 32.7 | 646 | 31.7 |
| More active | 853 | 39.8 | 272 | 42.4 | 1106 | 33.8 | 770 | 37.8 |
| Much more active | 486 | 22.7 | 149 | 23.2 | 497 | 15.2 | 282 | 13.9 |
| Smoker status | Men*** | Women*** | ||||||
| Never | 726 | 33.9 | 347 | 54.1 | 1573 | 48.1 | 1189 | 58.4 |
| Former | 1143 | 53.3 | 249 | 38.8 | 1235 | 37.7 | 682 | 33.5 |
| Current | 276 | 12.9 | 46 | 7.2 | 465 | 14.2 | 165 | 8.1 |
| Family history of cancer | Men | Women*** | ||||||
| No | 772 | 36.0 | 241 | 37.5 | 1153 | 35.2 | 816 | 40.1 |
| Yes | 1373 | 64.0 | 401 | 62.5 | 2120 | 64.8 | 1220 | 59.9 |
GED, General Educational Development.
P values from χ2 analyses:
***
P < 0.001, for differences in categorical variables between cases and controls, by sex.
†
Perceived level of physical activity compared with others of similar age.