Table 1.
Selected characteristics of cases and controls, MAP study, 1994-19971
| Cases (n = 171) | Controls (n = 220) | P1 | |
| Demographic factors | |||
| Age (yr)2 | 58.4 (8.4) | 55.8 (10.2) | 0.006 |
| Male (%) | 60 | 36 | <0.001 |
| White (%) | 89 | 89 | 0.98 |
| College education (%) | 19 | 23 | 0.38 |
| Major risk factors | |||
| Family history of colon cancer (%) | 14 | 31 | <0.001 |
| Currently smoke cigarettes (%) | 30 | 20 | 0.02 |
| Currently drink alcohol (%) | 75 | 55 | <0.001 |
| NSAID3 use (%) | 19 | 30 | 0.007 |
| Dietary intakes | |||
| Total energy (kcal/d) | 2 010 (30) | 2 169 (1 999) | 0.27 |
| Total fat (g/d) | 71.3 (39.9) | 72.6 (65.9) | 0.8 |
| Total meat (serve/wk) | 4.4 (1.4) | 4.5 (1.4) | 0.57 |
| Total fruits and vegetables (serve/wk) | 6.1 (3.6) | 7.4 (10.2) | 0.09 |
| Total calcium (mg/d) | 736 (406.6) | 871 (757) | 0.02 |
| Total vitamin D (IU/d) | 315 (258.2) | 359 (374) | 0.16 |
| Total folate (mg/d) | 416.7 (241.6) | 467 (402) | 0.12 |
| Total alcohol (g/d) | 7.4 (15.1) | 4.8 (20.8) | 0.14 |
1Adjusted for age, sex, total energy intake, history of colon cancer in a first degree relative, nonsteroidal anti-inflammatory drug use, current smoking status, and total calcium and alcohol intakes;
2
mean±SD presented unless otherwise indicated, except for age, all other means are age adjusted; 3non-steroidal anti-inflammatory drug.