Table A1.
Correlation matrix of covariates and cognitive measures
| Sex | SES | Smoking | AH4 | CRT mean | SRT mean | CRT SD | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SES | 0.09 | ** | ||||||||||||
| Smoking | 0.18 | *** | 0.20 | *** | ||||||||||
| AH4 | −0.05 | 0.44 | *** | 0.19 | *** | |||||||||
| CRT mean | 0.00 | 0.24 | *** | 0.15 | *** | 0.50 | *** | |||||||
| SRT mean | −0.02 | 0.15 | *** | 0.05 | 0.33 | *** | 0.61 | *** | ||||||
| CRT SD | −0.18 | *** | 0.10 | *** | 0.10 | *** | 0.28 | *** | 0.49 | *** | 0.21 | *** | ||
| SRT SD | −0.05 | 0.11 | *** | 0.05 | 0.29 | *** | 0.44 | *** | 0.61 | *** | 0.27 | *** | ||
Coding: Sex 0=female, 1=male; SES 0=non-manual 1=manual; Smoking 1=Never smoked, 2=ex-smoker, 3=current smoker
AH4 scores are reversed