Table 1.

Characteristics of 85-year-olds examined in 1986–87 and 2008–10.

	Total		p
	1986–87	2008–10
	% (N = 494)	% (N = 571)
Age, mean (SD)	85.55 (0.12)	85.91 (0.17)	<0.001
Female sex	71.1 (351)	62.9 (359)	0.005
More than basic education, % (N)	25.2 (115/457)	57.7 (31/553)	<0.001
History of stroke, % (N)	18.8 (93)	27.1 (155)	<0.001
Mini Mental State Examination, mean (SD)	23.6 (7.7)	25.06 (6.45)	<0.001
Married, % (N)	23.9 (117/490)	35.1 (191/544)	<0.001
Sheltered living, % (N)	24.1 (119/494)	13.3 (76/571)	<0.001
Living alone, % (N)	57.1 (286/494)	66.8 (370/554)	0.003

SD = standard deviation.