Table 1

BCDRS* items (included and missing) and replacement items from SESAMI survey

Depression Questions

Item Questionnaire

Depression Construct


I am losing weight.

BCDRS

Loss of appetite/weight loss

I have dropped many of my interests and activities.

BCDRS

Loss of interest

It must be obvious that I am disturbed and agitated.

BCDRS

Psychomotor agitation.

I am miserable or often feel like crying.

BCDRS

Low mood

I often wish I were dead.

BCDRS

Suicidal thoughts.

I feel in good spirits.

BCDRS

Low mood.

I still enjoy my meals.

BCDRS

Loss of appetite.

I get hardly anything done lately.

BCDRS

Low motivation.

I am exhausted much of the time.

BCDRS

Low energy.

My sleep is restless and disturbed.

BCDRS (missing)

Disturbed sleep

I can concentrate easily when reading the papers.

BCDRS (missing)

Poor concentration

I feel worthless and ashamed about myself.

BCDRS (missing)

Low self-esteem


Replacement Items


During the past week how much of the time have you had trouble sleeping for example, having trouble falling asleep or waking up too early and unable to get back to sleep?*

GUSTO Trial Psychological Well-being Scale[14]

Disturbed sleep

During the past week, how much of the time have you had trouble concentrating or keeping your mind on what you're doing?*

GUSTO Trial Psychological Well-being Scale[14]

Poor concentration

You are a burden on others

SF-12

Low self-esteem


*The BCDRS and SF-12 items were dichotomous (yes/no). The GUSTO trial items had 4 options from None of the time, some of the time (1–2 days/wk), some of the time (3–4 days/wk), and All/most of the time (5 or more days/wk). The GUSTO items were dichotomized around the median of 3 or more days/wk.

Kurdyak et al. BMC Health Services Research 2008 8:200   doi:10.1186/1472-6963-8-200

Open Data