Psychometric Properties of the 8-Item English Arthritis Self-Efficacy Scale in a Diverse Sample
Table 1
Sample characteristics ().
Characteristic
% ()
Mean (SD)
Range
Gender, %
Men
14.21 (57)
Women
85.79 (344)
Race, %
White
64.00 (256)
African American
35.25 (141)
Other races or biracial
0.75 (3)
Age group, %
18–44 years
12.75 (51)
45–64 years
65.50 (262)
64+ years
21.75 (87)
Educational attainment, %
Less than college graduate
39.25 (157)
College graduate
60.75 (243)
Weight status, %
Normal weight
14.50 (58)
Overweight
28.50 (114)
Obese
57.00 (228)
Arthritis self-efficacy
6.32 (2.12)
0–10
Arthritis symptoms, %
Pain
4.71 (2.32)
0–10
Fatigue
4.99 (2.65)
0–10
Stiffness
5.32 (2.55)
0–10
Depressive symptoms
6.47 (5.14)
0–28
HRQOL, days impaired in past month
10.42 (10.70)
0–30
Self-rated health (1 = poor; 5 = excellent)
3.07 (0.83)
1–5
Self-reported disability (3 = most disabled)
0.63 (0.52)
0–2
Functional performance
6-minute walk, meters
494.05 (91.22)
151.46–721.57
Gait speed, meters/second
1.09 (0.22)
0.39–1.72
Chair stands, number in 30 seconds
9.99 (3.48)
0–24
Total PA, hours/week
9.94 (7.37)
0–46.75
Note: not all numbers sum to 401 due to missing data. HRQOL = health-related quality of life; min = minute; total PA = light-, moderate-, and vigorous-intensity physical activity.
