Table 2 Associations between EL and breast cancer risk
From: Association of education level with the risk of female breast cancer: a prospective cohort study
EL | Total cases | Person years | Incident cases | HR(95%CI) | |
|---|---|---|---|---|---|
Model1 | Model 2 | ||||
Low | 1078 | 13,467.46 | 8 | Ref | Ref |
Medium | 16,833 | 213,025.99 | 244 | 2.37(1.17–4.81) | 2.23(1.12–4.64) |
High | 2218 | 27,893.27 | 27 | 2.51(1.12–5.64) | 2.52(1.12–5.70) |
Excluding participants who developed breast cancer within the first 2 years of follow-up | |||||
Low | 1075 | 13,466.04 | 5 | Ref | Ref |
Medium | 16,805 | 213,001.34 | 216 | 3.23(1.33–7.87) | 3.13(1.28–7.67) |
High | 2214 | 27,889.00 | 23 | 3.19(1.19–8.54) | 3.21(1.19–8.67) |