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Table 1 Demographic data of the participants

From: The Quality of Life Impact Refractive Correction (QIRC) questionnaire: validation of the Malay-translated version of the QIRC using Rasch analysis

Parameters 20-Item Pilot
(N = 105)
19-Item Final
(N = 304)
n % n %
Age (year)
 Mean (SD) 26.5 (5.2) 26.2 (5.5)
 Range 18 to 38 18 to 39
Gender
 Male 32 31 71 23
 Female 73 69 233 77
Race
 Malay 88 83.8 277 91.1
 Chinese 12 11.4 18 6.0
 Indian 5 4.8 8 2.6
 Others 1 0.3
Work status
 Government-employed 17 16.2 76 24.9
 Private-employed 13 12.4 80 26.3
 Student 58 55.2 102 33.5
 Self-employed 13 12.4 19 6.2
 Unemployed 4 3.8 27 9.1
Correction type
 Spectacle 71 67.6 198 65.1
 Contact lens 10 9.5 33 10.9
 Combination 24 22.9 73 24.0
Correction history (months)
 Age of current correction, mean (SD) 6.3 (3.4) 7.7 (2.5)
 Wearing experience, mean (SD) 158.2 (36) 142.7 (41.2)
  1. N number of participants, n number, % percentage, SD standard deviation