Table 1.

Physical characteristics, pain, and perceived health of study population (n = 95)

Variables	Mean ± SD
Age (years)	70.7 ± 4.7
Height (cm)	152.4 ± 5.0
Mass (kg)	53.2 ± 6.9
BMI (kg/m2)	23.0 ± 3.0
Paina	1.8 ± 1.4
Perceived health (1poor ~ 4very good)	2.9 ± 0.5

^aNo pain = 0. Responses of the subject with pain to the question “Does the pain disturb your daily life activities?” were ranked as follows; hardly ever = 1, occasionally = 2, sometimes = 3, frequently = 4, and almost always = 5