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Table 1 Quality Tool

From: Dementia ascertainment using existing data in UK longitudinal and cohort studies: a systematic review of methodology

 

Quality tool components

1

Baseline population size

 A) Exact number (score = 3)

 B) Approximate number (score = 2)

 C) Other description of size (score = 1)

 D) Not specified (score = 0)

2

Baseline population age

 AI) Exact age range specified for total population (score = 4)

 AII) Broad age range specified for total population (score = 3)

 BI) Exact age range specified for analyses (score = 2)

 BII) Broad age range specified for analyses (score = 1)

 C) Not specified (score = 0)

3

Baseline population sex

 A) Specified (score = 1)

 B) Not specified (score = 0)

4

Baseline population

 A) Named with description (score = 2)

 B) Named only (score = 1)

 C) Not specified (score = 0)

5

Dementia ascertainment

 AI) Sources and specific criteria clearly described (score = 3)

 AII) Sources and specific criteria less clearly described (score = 2)

 B) Sources named but no specific criteria described (score = 1)

 C) Unclear/ not described (score = 0)

6

Dementia cases

 A) Number plus comparison to expected/ documented rate (external UK comparison) (score = 2)

 B) Number only (score = 1)

 C) Not specified (score = 0)

7

Time/ period/ date

 A) Specified

 B) Not specified/ unclear