Table 1.
Description of patient characteristics in the Vermont Breast Cancer Surveillance System (VBCSS) (1996-2012) AGES 40-49
| Variable | Screened (%) (n=979) |
Non-screened (%) (n=470) |
P-value |
|---|---|---|---|
| Body Mass Index | 0.08 | ||
| <18.5 kg/m2 | 12 (1.2) | 13 (2.8) | |
| 18.5-24.9 kg/m2 | 490 (50.1) | 225 (47.9) | |
| 25.0-29.9 kg/m2 | 248 (25.3) | 98 (20.9) | |
| 30.0+ kg/m2 | 188 (19.2) | 93 (19.8) | |
| Unknown | 41 (4.2) | 41 (8.7) | |
| First-Degree Family History | 0.02 | ||
| No | 706 (72.1) | 336 (71.5) | |
| Yes | 200 (20.4) | 66 (14.0) | |
| Unknown | 73 (7.5) | 68 (14.5) | |
| Education | <0.0001 | ||
| Less than high school diploma | 21 (2.2) | 31 (6.6) | |
| High school diploma | 216 (22.1) | 120 (25.5) | |
| Some college | 197 (20.1) | 111 (23.6) | |
| College degree | 541 (55.3) | 197 (41.9) | |
| Unknown | 4 (0.4) | 11 (2.3) | |
| Breast Density | 0.30 | ||
| Almost entirely fat | 18 (1.8) | 8 (1.7) | |
| Scattered fibroglandular elements | 234 (23.9) | 99 (21.1) | |
| Heterogeneously dense | 418 (42.7) | 198 (42.1) | |
| Extremely dense | 113 (11.5) | 69 (14.7) | |
| Unknown | 196 (20.0) | 96 (20.4) |