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Assessment Timeline of Key Variables
| Average Age at Assessment | ||||
|---|---|---|---|---|
|
| ||||
| 20 | 40 | 56 | 62 | 68 |
| Regular Variables | ||||
|
| ||||
| General Cognitive Ability | Smoking Consumption | PBAD | PBAD | PBAD |
| Alcohol Consumption | Age | |||
| BMI | Ethnicity | |||
| Cardiovascular health problems | Education | |||
| Hypertension | ||||
| Depression | ||||
| Respiratory health problems | ||||
|
| ||||
| Change Scores | ||||
|
| ||||
| Change in Alcohol Consumption (56–40) | ||||
| Change in Smoking Consumption (56–40) | ||||
| Age Change (62–56) | ||||
| Age Change (68–56) | ||||
Abbreviations: PBAD=predicted brain age difference score.
