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Table 4 AGQ item loadings

From: Theoretical and empirical dimensions of the Aberdeen Glaucoma Questionnaire: a cross sectional survey and principal component analysis

Nā€‰=ā€‰656

Ā Ā Ā Ā Ā Ā Ā 

ITEM

F1

F2

F3

F4

F5

F6

F7

Does your eyesight interfere with your recognising or meeting people?

0.58

Ā Ā Ā Ā Ā Ā 

Do you have difficulty watching television? (appreciating the pictures)

0.60

Ā Ā Ā Ā Ā Ā 

Do you have difficulty reading subtitles for film or TV?

0.62

Ā Ā Ā Ā Ā Ā 

Do you have difficulty reading traffic signs, street signs, or store signs?

0.52

Ā Ā Ā Ā Ā Ā 

Do you tend to confuse colours?

0.56

Ā Ā Ā Ā Ā Ā 

Do you have difficulty finding something on a crowded shelf?

0.58

Ā Ā Ā Ā Ā Ā 

How much does your eyesight interfere with using public transport on your own? (for instance bus, train or plane)

Ā 

0.59

Ā Ā Ā Ā Ā 

Because of my eyesight I need help from family or friends.

Ā 

0.64

Ā Ā Ā Ā Ā 

Because of my eyesight I have to rely on what other people tell me.

Ā 

0.53

Ā Ā Ā Ā Ā 

Because of your eyesight, do you have difficulty going out of your home alone?

Ā 

0.74

Ā Ā Ā Ā Ā 

Do you use assistance to get around? (e.g. a guide dog, cane, companion)

Ā 

0.60

Ā Ā Ā Ā Ā 

Do you worry about your eyesight getting worse?

Ā Ā 

0.68

Ā Ā Ā Ā 

Does your eyesight make you concerned or worried about coping with everyday life?

Ā Ā 

0.62

Ā Ā Ā Ā 

Do you feel like a nuisance or a burden because of your eyesight?

Ā Ā 

0.61

Ā Ā Ā Ā 

Do you feel embarrassed because of your eyesight?

Ā Ā 

0.60

Ā Ā Ā Ā 

Do you feel frustrated or annoyed because of your eyesight?

Ā Ā 

0.66

Ā Ā Ā Ā 

Because of your eyesight do you bump against other people in crowded areas?

Ā Ā Ā 

0.70

Ā Ā Ā 

Do you bump into people or objects while walking?

Ā Ā Ā 

0.72

Ā Ā Ā 

Do you trip over objects?

Ā Ā Ā 

0.50

Ā Ā Ā 

Does your eyesight deteriorate in bright light?

Ā Ā Ā Ā 

0.67

Ā Ā 

Does your eyesight deteriorate in dim light?

Ā Ā Ā Ā 

0.61

Ā Ā 

Do you have difficulty with walking down steps in dim light?

Ā Ā Ā Ā 

0.54

Ā Ā 

Do you have difficulty adjusting from bright to dim light? (such as when going from daylight into a dark room)

Ā Ā Ā Ā 

0.72

Ā Ā 

Do you have difficulty with adjusting to bright lights?

Ā Ā Ā Ā 

0.72

Ā Ā 

Because of my eyesight I need help from care services.

Ā Ā Ā Ā Ā 

0.66

Ā 

Because of your eyesight, do you have difficulty entertaining friends and family in your home?

Ā Ā Ā Ā Ā 

0.50

Ā 

When pouring liquid, do you have difficulty judging the level of the liquid in a container, such as the level of a cup of coffee?

Ā Ā Ā Ā Ā 

0.55

Ā 

Do you have difficulty seeing how people react to things you say?

Ā Ā Ā Ā Ā 

0.61

Ā 

In the last 12Ā months have you been anxious or worried about falling? (This may or may not be associated with a feeling of unsteadiness)

Ā Ā Ā Ā Ā Ā 

0.65

Have you fallen in the last 12Ā months?

Ā Ā Ā Ā Ā Ā 

0.71

Do you have difficulty with walking on uneven ground?

Ā Ā Ā Ā Ā Ā 

0.45a

Eigenvalue

19.67

2.09

1.69

1.49

1.35

1.14

1.06

Percentage variance explained

41.8

4.4

3.6

3.2

2.9

2.4

2.3

  1. Notes: aItem added to increase internal consistency.