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Table 2 Response of the items included in the Catquest-9SF questionnaire

From: Catquest-9SF questionnaire: validation of Malay and Chinese-language versions using Rasch analysis

Item Malay version
(n = 236)
Chinese version
(n = 202)
n (%) n (%)
a1. Do you experience that your present vision gives you difficulties in any way in your daily life?
 Yes, very great difficulties 52 (22.0) 19 (9.4)
 Yes, great difficulties 75 (31.8) 54 (26.7)
 Yes, some difficulties 82 (34.7) 111 (55.0)
 No, no difficulties 26 (11.0) 17 (8.4)
 Cannot decide 1 (0.4) 1 (0.5)
a2. Are you satisfied or dissatisfied with your present vision?
 Very dissatisfied 63 (26.7) 58 (28.9)
 Rather dissatisfied 95 (40.3) 95 (47.3)
 Fairly satisfied 61 (25.8) 38 (18.9)
 Very satisfied 17 (7.2) 7 (3.5)
 Cannot decide 0 (0.0) 3 (1.5)
Do you have difficulty with the following activities because of your vision?
1 Reading text in the newspaper
 Yes, very great difficulties 77 (32.6) 42 (20.8)
 Yes, great difficulties 56 (23.7) 56 (27.7)
 Yes, some difficulties 68 (28.8) 82 (40.6)
 No, no difficulties 21 (8.9) 15 (7.4)
 Cannot decide 14 (5.9) 7 (3.5)
2 Recognizing faces of people you meet
 Yes, very great difficulties 33 (14.0) 20 (9.9)
 Yes, great difficulties 65 (27.5) 38 (18.8)
 Yes, some difficulties 76 (32.2) 83 (41.1)
 No, no difficulties 60 (25.4) 60 (29.7)
 Cannot decide 2 (0.9) 1 (0.5)
3 Seeing prices of goods when shopping
 Yes, very great difficulties 74 (31.4) 40 (19.8)
 Yes, great difficulties 56 (23.7) 59 (29.2)
 Yes, some difficulties 55 (23.3) 82 (40.6)
 No, no difficulties 44 (18.6) 16 (7.9)
 Cannot decide 7 (3.0) 5 (2.5)
4 Seeing to walk on uneven ground
Yes, very great difficulties 48 (20.4) 17 (8.4)
Yes, great difficulties 64 (27.2) 35 (17.3)
Yes, some difficulties 70 (29.8) 104 (51.5)
No, no difficulties 50 (21.3) 46 (22.8)
Cannot decide 3 (1.3) 0 (0.0)
5 Seeing to do needlework and handicraft
 Yes, very great difficulties 55 (23.3) 28 (14.0)
 Yes, great difficulties 53 (22.5) 45 (22.5)
 Yes, some difficulties 62 (26.3) 88 (44.0)
 No, no difficulties 44 (18.6) 25 (12.5)
 Cannot decide 22 (9.3) 14 (7.0)
6 Reading text on television
 Yes, very great difficulties 56 (23.7) 23 (11.4)
 Yes, great difficulties 55 (23.3) 69 (34.2)
 Yes, some difficulties 66 (28.0) 74 (36.6)
 No, no difficulties 44 (18.6) 30 (14.9)
 Cannot decide 15 (6.4) 6 (3.0)
7 Seeing to carry out a preferred hobby
 Yes, very great difficulties 36 (15.2) 19 (9.4)
 Yes, great difficulties 58 (24.6) 38 (18.8)
 Yes, some difficulties 67 (28.4) 99 (49.0)
 No, no difficulties 66 (28.0) 37 (18.3)
 Cannot decide 9 (3.8) 9 (4.5)
  1. Number and percentages are based on available information
  2. aAssessment items