Table 2: Descriptive statistics for independent and dependent study variables.

Independent variablesN Mean (SD)

Grip strength (kg)40127.1 (10.2)
6-minute walk distance (m)399494.1 (91.2)
30-second chair stands (#)40110.0 (3.5)
Seated reach (cm)39921.7 (9.9)
Gait velocity (m/sec)3991.1 (0.2)
Balancea (ratio of eyes open/eyes closed) 3981.2 (0.3)
HAQ score (0–3)4010.6 (0.5)

Dependent variableN Median, Range

Depressive symptomsa (0–30)4015, 0–28

HAQ: Health Assessment Questionnaire Disability Index.
aLower score = more favorable.