Common Data Elements

CDE Long Name Preferred Definition CDE ID
Patient Health Questionnaire (PHQ-9) Last Two Weeks How Often Feel Depressed Score 4 Point Scale A person's stated observation of how often over the last 2 weeks they have been bothered by feeling down, depressed, or hopeless, using a four point Likert scale. 3811420

Valid Values

Value Value Meaning Description Display Order
0 Not at all

A subjective answer of non-agreement.

0
1 Several days

An indefinite small quantity that is more than two but less than many.: The time for Earth to make a complete rotation on its axis; ordinarily divided into twenty-four hours, equal to 86 400 seconds. This also refers to a specific day.

1
2 More than 1/2 the days

A time period that includes one-half of the total number of days plus at least one more.

2
3 Nearly every day

Not quite or just short of.: Including all possibilities or occurring at regular intervals.: The time for Earth to make a complete rotation on its axis; ordinarily divided into twenty-four hours, equal to 86 400 seconds. This also refers to a specific day.

3