Table 2.

Characteristics of the study sample across health-related behaviour clusters

	Cluster 1: Physically active and young old	Cluster 2: Young old with a tendency to binge drink and smoke	Cluster 3: Middle old, with a tendency to drink and slightly active	Cluster 4: Very old who do not binge drink or smoke	Cluster 5: Sedentary, less physically active, very old	Total
	n = 5,436	n = 6,440	n = 3,105	n = 2,273	n = 2,958	n = 20,212
Mean age (SD)	70.66 (4.52)	68.60 (4.02)	76.85 (1.55)	81.82 (1.38)	79.52 (9.18)	73.51 (6.94)
Sex
Male	40.1	55.1	45.4	43.5	47.4	47.2
Female	59.9	44.9	54.6	56.5	52.6	52.9
Number of medications
0 medication	44.5	44.7	33.3	32.4	37.7	40.5
1 medication	14.3	13.0	11.3	9.2	8.2	12.0
2 medications	11.9	11.2	12.3	11.0	8.8	11.2
3 medications	9.6	9.3	11.3	11.4	8.3	9.7
4 medications	7.0	7.2	9.8	9.6	9.1	8.1
≥5 medications	12.7	14.6	22.1	26.5	28.1	18.5
BMI
Under weight	1.6	1.1	1.4	2.1	4.2	1.8
Normal weight	50.4	39.3	47.2	50.2	45.2	45.6
Over weight	39.5	43.1	39.3	37.2	34.1	39.6
Obese	8.6	16.5	12.1	10.5	16.6	13.0
Presence of:
Sleep problems	36.3	37.4	40.4	41.6	45.7	39.2
Reduced mobility	13.3	19.9	28.7	43.6	58.2	27.6
Poor mental health (GHQ-12 ≥3)	7.1	9.0	11.2	14.0	21.8	11.2
Depression diagnosis	7.7	8.4	6.0	7.1	8.6	7.8
Diabetes diagnosis	8.5	11.6	13.4	12.1	15.6	11.7
Chronic obstructive pulmonary disease diagnosis	3.0	4.6	6.4	7.3	8.9	5.4
Angina diagnosis	6.5	8.1	11.5	14.4	15.2	9.9
Congestive heart failure diagnosis	3.6	5.4	8.9	13.8	15.5	7.8
High blood pressure	41.8	46.6	56.2	56.1	55.9	49.2
Fall injury	1.0	0.9	1.9	3.4	5.9	2.1