Table 2 Principal components analysis of CBQoL items
Component | |||
|---|---|---|---|
Items | Health & Lifestyle | Emotions | Work |
Not noticing change in colour of skin due to sunburn | .810 | ||
Difficulty choosing groceries due to colour | .766 | ||
Not noticing change in colour of mole on skin | .763 | ||
Can’t tell when food is cooked due to colour | .755 | ||
Difficulty choosing or buying clothes | .749 | ||
Being confused about colour of pills or other medication due to colour-coding | .733 | ||
Not noticing blood in stools (faeces) | .718 | ||
Difficulty knowing when fruit is ripe due to colour | .711 | ||
Difficulty reading maps (e.g. London Underground map) | .707 | ||
Not noticing a change in colour of urine | .679 | ||
Problems playing sports (e.g. colours of team clothing, colours of snooker balls etc) | .630 | ||
Feeling anxious because of issues caused by problems seeing colours | .880 | ||
Feeling depressed because of issues caused by problems seeing colours | .846 | ||
Feeling unconfident because of issues caused by problems seeing colours | .820 | ||
Feeling embarrassed or humiliated because of CB issues | .816 | ||
Feeling low self esteem because of issues caused by problems seeing colours | .778 | ||
Feeling anxious because you might not realise when you can’t see a colour properly | .767 | ||
Feeling different to other people because of issues caused by problems seeing colours | .720 | ||
Felt that had let down self or others due to problems seeing colours | .692 | ||
Avoiding conversations where colours are discussed | .627 | ||
Being limited in choice of work or career | .754 | ||
Difficulty performing work or other activities (e.g. charts) | .658 | ||
Accomplishing less than would like at work or in career | .621 | ||