Table 1 |
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The distribution of women in the control group (n = 2167) and patients with breast cancer (n = 1492) according to the factors including age, education, body mass index (BMI), smoking and alcohol intake. |
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|
Factors |
women in the control group (n = 2167) |
patients with breast cancer (n = 1492) |
|
|
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|
Age (years) |
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|
|
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|
≥ 35 <35 |
1625 (75.0%) 541 (25.0%) |
1410 (94.5%) 82 (5.5%) |
|
35–39 |
253 (11.7%) |
120 (8.2%) |
|
40–49 |
636 (29.3%) |
410 (27.5%) |
|
≥ 50 |
737 (34.0%) |
880 (58.8%) |
|
|
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|
Education (years) |
||
|
|
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|
<13 |
1110 (51.2%) |
891 (59.7%) |
|
|
||
|
≥ 13 |
1057 (48.8%) |
601 (40.3%) |
|
|
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|
Body mass index (BMI-kg/m2) |
||
|
|
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|
<25 |
971 (44.8%) |
534 (35.8%) |
|
|
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|
≥ 25 |
1196 (55.2%) |
958 (64.2%) |
|
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Smoking |
||
|
|
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|
Never |
1517 (70.0%) |
1141 (76.5%) |
|
|
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|
Ever |
650 (30.0%) |
351 (23.5%) |
|
|
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|
Alcohol intake |
||
|
|
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|
Never |
2166 (99.99%) |
1489 (99.98%) |
|
|
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|
Ever |
1 (0.01%) |
3 (0.02%) |
|
|
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|
Family history of breast cancer [first-degree relative(s)] |
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|
|
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|
No |
2059 (95.0%) |
1384 (92.8%) |
|
|
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|
Yes |
108 (5.0%) |
108 (7.2%) |
|
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|
Ozmen et al. World Journal of Surgical Oncology 2009 7:37 doi:10.1186/1477-7819-7-37 |
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