| BCS (n=9691) a | ALSPAC (n=9001) a | ||||||
---|---|---|---|---|---|---|---|---|
All participants | High origin SES | Low origin SES | P value for moderation c | All participants | High origin SES | Low origin SES | P value for moderation c | |
Maternal education SES b | ||||||||
 MRB unit increase (0-8) and (0-13) | 1 (REF) | 1 (REF) | 1 (REF) |  | 1 (REF) | 1 (REF) | 1 (REF) |  |
0.81 (0.77, 0.86) p<0.001 | 0.87 (0.80, 0.94) p=0.001 | 0.77 (0.71, 0.84) p<0.001 | 0.03 | 0.85 (0.82, 0.89) p<0.001 | 0.85 (0.80, 0.90) p<0.001 | 0.84 (0.81, 0.89) p<0.001 | 0.83 | |
Parent occupation SES b | ||||||||
 MRB unit increase (0-8) and (0-13) | 1 (REF) | 1 (REF) | 1 (REF) |  | 1 (REF) | 1 (REF) | 1 (REF) |  |
0.81 (0.77, 0.86) p<0.001 | 0.91 (0.83, 1.01) p=0.06 | 0.78 (0.73, 0.83) p<0.001 | 0.009 | 0.85 (0.82, 0.89) p<0.001 | 0.85 (0.82, 0.90) p<0.001 | 0.84 (0.79, 0.90) p<0.001 | 0.72 | |
Household income SES b | ||||||||
 MRB unit increase (0-8) and (0-13) | 1 (REF) | 1 (REF) | 1 (REF) |  | 1 (REF) | 1 (REF) | 1 (REF) |  |
0.81 (0.77, 0.86) p<0.001 | 0.87 (0.81, 0.94) p=0.001 | 0.77 (0.72, 0.84) p<0.001 | 0.03 | 0.85 (0.82, 0.22) p<0.001 | 0.87 (0.82, 0.92) p<0.001 | 0.85 (0.80, 0.89) p<0.001 | 0.31 |