ds003653_participant.json

{
    "age": {
        "Description": "age of the participant",
        "Units": "years"
    },
    "sex": {
        "Description": "sex of the participant as reported by the participant",
        "Levels": {
            "M": "male",
            "F": "female"
        }
    },
    "group": {
        "Description": "diagnostic status determined by the study clinician at baseline",
        "Levels": {
            "UD": "individuals with unipolar depression including those diagnosed with MDD and PDD",
            "HC": "healthy controls",
	    "HCconvertedMDD": "individual that presented as HC at baseline, but converted to MDD during the course of the study"
        }
    },
    "group_dx": {
        "Description": "specific diagnosis determined by the study clinician at baseline",
        "Levels": {
            "MDD": "major depressive disorder",
            "PDD": "persistent depressive disorder",
            "HC": "healthy controls",
            "HCconvertedMDD": "individual that presented as HC at baseline, but converted to MDD during the course of the study"
        }
    },
    "number_comorbid_dx": {
        "Description": "a number of diagnoses comorbid with UD (e.g., GAD, PTSD)",
        "Units": "number"
    },
    "medload": {
        "Description": "reflects the number of dosage of psychotropic medications taken by participants. Higher numbers correspond to more medications and/or higher medication dosage ",
        "Units": "arbitrary units" 
    },
    "iq": {
        "Description": "IQ derived based on the NART assessment.",
        "Units": "arbitrary units"
    },
    "session": {
        "Description": "scanning session",
        "Levels": {
            "1": "baseline",
            "2": "6 months follow-up scan"
        }
    }
}