| { | |
| "age": { | |
| "Description": "age of the participant at the beginning of the study", | |
| "Units": "years" | |
| }, | |
| "sex": { | |
| "Description": "sex of the participant as reported by the participant", | |
| "Levels": { | |
| "M": "male", | |
| "F": "female" | |
| } | |
| }, | |
| "handedness": { | |
| "Description": "handedness of the participant as reported by the participant", | |
| "Levels": { | |
| "left": "left", | |
| "right": "right" | |
| } | |
| } | |
| } | |