Table 1. Participant characteristics.

	Total	65–74 years	≥75 years
	n = 75,358	n = 43,790	n = 31,568
Age, years	73.8 (6.0)	69.5 (3.0)	79.6 (3.8)
Men	45.0	45.3	44.5
Years of education
≤9	37.4	30.6	47.3
10–12	39.9	43.1	35.2
≥13	22.7	26.2	17.4
Married	65.8	69.7	60.2
Living alone	22.0	20.6	23.8
Currently working	37.7	46.8	24.8
Current smoker	13.2	16.6	8.5
Regularly exercising	57.4	58.4	56.0
Body mass index, kg/m2
<18.5	7.3	6.6	8.4
18.5–24.9	68.7	68.8	68.5
≥25.0	23.9	24.6	23.1
Diagnosed disease
Cancer	9.3	8.6	10.3
Heart disease	11.1	8.9	13.8
Stroke	4.1	3.6	4.8
Hypertension	45.8	42.6	50.4
Hyperlipidemia	12.2	13.0	11.0
Diabetes mellitus	14.5	14.3	14.9
Depression	19.5	16.8	23.2
Childhood SES
High/middle-high	15.1	14.0	16.5
Middle	45.9	44.5	47.8
Middle-low	26.0	27.5	23.8
Low	13.1	14.0	11.9
Subjective dementia symptoms	6.6	3.7	10.6

SES, socioeconomic status.

Values represent mean (standard deviation) or %.