Table 3.

Items on the PDQ tested and retained for the final rasch model

Item number	Retained in model	Item content
1		Lose your train of thought when speaking
2	✓	Have difficulty remembering the names of people, even ones you have met several times
3	✓	Forget what you came into the room for
4		Have trouble getting things organized
5		Have trouble concentrating on what people are saying during a conversation
6		Forget if you had already done something
7	✓	Miss appointments and meetings you had scheduled
8		Have difficulty planning what to do in the day
9	✓	Have trouble concentrating on things like watching a television program or reading a book
10		Forget what you did the night before
11	✓	Forget the date unless you looked it up
12		Have trouble getting started, even if you had a lot of things to do
13		Find your mind drifting
14		Forget what you talked about after a telephone conversation
15	✓	Forget to do things like turn off the stove or turn on your alarm clock
16		Feel like your mind went totally blank
17	✓	Have trouble holding phone numbers in your head, even for a few seconds
18		Forget what you did last week-end
19	✓	Forget to take your medication
20	✓	Have trouble making decisions