Table 4 Association of social mobility with the risk of BC in E3N using imputed data (N = 83,436)

Covariates

Reference

Modality

HR [95%CI]

HR [95%CI]

HR [95%CI]

HR [95%CI]

Social mobility

Stable disadvantaged SEP

Downward mobility

1.06 [0.95; 1.19]

1.04 [0.93; 1.17]

1.00 [0.90; 1.12]

1.00 [0.89; 1.12]

Stable medium SEP

1.02 [0.92; 1.12]

1.01 [0.91; 1.11]

0.96 [0.87; 1.06]

0.96 [0.87; 1.06]

Upward mobility

1.04 [0.94; 1.14]

1.03 [0.93; 1.13]

1.00 [0.91; 1.10]

0.99 [0.90; 1.09]

Stable advantaged SEP

1.24 [1.07; 1.43]

1.20 [1.04; 1.39]

1.15 [0.99; 1.33]

1.13 [0.98; 1.31]