Table 1.

a-c: Factor analyses showing included items, n = 1325 study participants over 60 years of age

Questionnaire item list	Component labels and item loadings by domain
1a. Biological
Can you see (with glasses)…	0.505
Can you hear (with hearing aid)…	0.568
Difficulty in making yourself understood…	0.815
Use the telephone…	0.886
Keep up personal appearance…	0.962
Dress yourself…	0.958
Wash your hands and face…	0.959
Use the bath or shower…	0.988
Do your housework…	0.880
Prepare your own meals…	0.863
Feed yourself…	0.964
Take your own medicine…	0.877
Any accidents with your bladder…	0.712
Accidents with your bowels…	0.736
Use the toilet…	0.973
Move from bed to chair…	0.907
Get around indoors…	0.866
Manage stairs…	0.846
Walk outside…	0.918
Go shopping…	0.884
Any difficulty getting to public services?	0.881
1b. Psychological
Safe inside your home?	0.573
Feel threatened…	0.532
Feel discriminated…	0.780
Anyone to help in case of illness…	0.611
Happy with accommodation?	0.822
Feel lonely?	0.599
Feeling down…	0.705
Bothered by having little interest or pleasure?	0.727
1c. Social
How many relatives do you see or hear from at least once a month?	0.750
How many relatives do you feel at ease with that you can talk about private matters?	0.833
How many relatives do you feel at close to such that you could call on them for help?	0.843
How many of your friends do you see or hear from at least once a month?	0.535
How many of your friends do you feel at ease with that you can talk about private matters?	0.654
How many of your friends do you feel at close to such that you could call on them for help?	0.598