From: Reproductive factors and oesophageal cancer in Chinese women: a case-control study
Variable | Cases (N = 73) | Controls (N = 157) | P value |
---|---|---|---|
Age, years, mean ± SD | 63.4 ± 10.3 | 62.7 ± 11.4 | 0.656 |
Education less than middle school, n (%) * | 19 (26.0) | 23 (14.6) | 0.038 |
Never employed, n (%) * | 15 (20.5) | 17 (10.8) | 0.047 |
Smoking, n (%) | 6 (8.2) | 8 (5.1) | 0.356 |
High alcohol intake, n (%) | 5 (6.8) | 9 (5.7) | 0.742 |
Reflux, n (%) * | 29 (39.7) | 16 (10.2) | <0.001 |
Overweight or obesity, n (%) | 28 (38.4) | 63 (40.1) | 0.798 |
Low consumption of fresh vegetables, n (%) | 6 (8.2) | 10 (6.4) | 0.891 |
Low consumption of fresh fruits, n (%) | 10 (13.7) | 17 (10.8) | 0.529 |