Table 1.

Characteristics of subjects

	Total group (n = 775)	0/1 risk factor (n = 688)	≥2 risk factors (n = 87)	Sign. (p)
Age in years – Mean (SD)	60.3 (2.9)	60.4 (2.9)	60.2 (3.0)
Male % (n)	48.6 (377)	49.6 (341)	41.4 (36)
Diabetes mellitus % (n)		7.4 (51)	10.3 (9)	0.391
Stroke % (n)		2.0 (14)	4.6 (4)	0.247
Osteoarthritis % (n)		39.1 (269)	50.6 (44)	0.048*
Rheumatoid arthritis % (n)		8.6 (59)	10.3 (9)	0.687
Heart disease % (n)		10.0 (69)	11.5 (10)	0.706

^*Statistical significant result.