Table 1.

Names, alpha values, and number of items of the concepts describing physical environment (n = 328).

Concept	Cronbach's alpha	Number of items
Alterations in the home facilitating domestic activities	.94	3
Natural environment contributing to living comfort	.82	3
Factors of Northern environment complicating mobility	.84	3
Temperature as a factor complicating life	.68	2
Natural environment as a pleasant location for exercise	.80	3
Darkness as a factor promoting depression	.93	2
Well-maintained traffic routes facilitating mobility	.67	2
Availability of services as a prerequisite for living at home	.65	2
Meeting familiar people in a natural environment	.60	2
Moving in the immediate vicinity	.50	2
A tidy environment contributing to living comfortably	.62	2