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Table 1 Characteristics of the study samples

From: Enhancing rigour in the validation of patient reported outcome measures (PROMs): bridging linguistic and psychometric testing

Characteristic   Cognitive testing Sample  
Student Clinical
N   8 115 37
Gender, n (%)
  Female 5 (62.5) 94 (81.7) 22 (59.5)
  Male 3 (37.5) 21 (18.3) 15 (40.5)
Age, n (%)
  <17 years 1 (12.5)   
  17-24 years 2 (25) 73 (63.5) 1 (2.7)
  25-34 years 2 (25) 18 (15.7) 7 (18.9)
  35-44 years 1 (12.5) 16 (13.9) 13 (35.1)
  45-54 years 2 (25) 7 (6.1) 7 (18.9)
  > 54 years 0 (0) 1 (0.9) 9 (24.3)
Percentage of time Welsh is spoken
  Range N/A 5-100 5-100
  Median (IQR) N/A 90 (60 to 95) 70 (80 to 95)
  Missing   5 6
BDI-II: Welsh
  Range N/A 0-35 19-62
  Mean (SD) N/A 5.1 (5.9) 38.4 (11.9)
  Median (IQR) N/A 3 (1 to 7) 39 (28.5-46)
  Missing   4 -
BDI-II: English
  Range N/A 0-34 15-61
  Mean (SD) N/A 5.7 (5.5) 37.7 (11.5)
  Median (IQR) N/A 5 (1.1 to 8) 38 (28.5-47)
  Missing   1 -