Table 4

Relationship of breast feeding with social class in adulthood (ORs and 95% CIs) from ordinal regression social mobility models

 1958 cohort1970 cohort
OR95% CIOR95% CI
Model 1*1.241.13 to 1.361.291.19 to 1.40
Model 2†1.141.04 to 1.251.191.09 to 1.29
Model 3‡1.221.12 to 1.331.281.18 to 1.38
Model 4§1.141.04 to 1.251.191.09 to 1.29
16 039–16 15416 255–16 361
  • *Controlling for gender, social class of father and their interaction.

  • †Model 1 plus cognitive test score quintiles.

  • ‡Model 1 plus emotional stress score quintiles (mother and teacher reported).

  • §Model 1 plus cognitive test score quintiles and emotional stress score quintiles (mother and teacher reported).

  • ¶Sample sizes for the 20 filled-in datasets after propensity score matching applied to each dataset.