Table 2A.
Demographic characteristics of caucasian breast cancer patients and age-matched control participants.
| Affected (N=196) | Unaffected (N=203) | p-value† | ||
|---|---|---|---|---|
| Age, mean ± SD (range) | 51.1 ± 10.6 (26-81) | 46.6 ± 10.6 (26-78) | 2.0E-05 | |
| Ashkenazi Jewish, No. (%) | 80 (41) | 86 (42) | 0.83 | |
| Education | ||||
| High school graduate | 8 (4) | 5 (2) | ||
| Vocational/training school | 5 (2) | 5 (2) | ||
| Some college | 22 (11) | 36 (18) | ||
| Associate degree | 15 (8) | 13 (6) | ||
| College graduate | 48 (24) | 43 (21) | ||
| Some professional school | 23 (12) | 36 (18) | ||
| Master's | 47 (24) | 47 (23) | ||
| Doctoral | 28 (14) | 18 (9) | 0.22 | |
| Income | ||||
| Missing/Declined to state | 7 (3) | 3 (1) | 0.31 | |
| <$15,000 | 4 (2) | 3 (2) | ||
| $15,000-30,000 | 10 (5) | 6 (3) | ||
| $30,000-60,000 | 28 (15) | 36 (18) | ||
| $60-100,000 | 49 (26) | 49 (25) | ||
| > $100,000 | 98 (52) | 106 (53) | 0.71 | |
| Smoking History | ||||
| No. reporting > 100 cigarettes/lifetime (%) | 90 (46) | 89 (44) | 0.75 | |
| Alcohol History | ||||
| Missing/Declined to state | 9 (4) | 9 (4) | 0.87 | |
| No. reporting >= 12 drinks/last year (%) | 128 (68) | 137 (70) | 0.72 | |
|
Total number of female first degree relatives, mean ± SD (range) |
2.99 ± 1.7 (1-12) | 2.89 ± 1.5 (0-8) | 0.55 | |
|
Total number of affected first degree relatives, mean ± SD (range) |
0.77 ± 0.50 (1-4) | 0.96 ± 0.50 (1-4) | 0.01 | |
†
p-values calculated using Chi-square tests for categorical variables and two-sided t-tests for continuous variables.