From: The Revised Fibromyalgia Impact Questionnaire (FIQR): validation and psychometric properties
SF-36 subscales (dependent variable) | R and R2 predicted by combined FIQR domains | FIQR function | FIQR overall impact | FIQR symptoms |
---|---|---|---|---|
Physical functioning | R = 0.80a | β = -0.803a | β = -0.005 | β = 0.015 |
R2 = 0.62 | pr = -0.641a | pr = -0.004 | pr = 0.014 | |
Role limitation due to physical health | R = 0.55a | β = -0.270b | β = -0.261c | β = -0.058 |
R2 = 0.29 | pr = -0.200b | pr = -0.167c | pr = -0.040 | |
Role limitation due to emotional health | R = 0.45a | β = 0.170 | β = -0.234c | β = -0.362d |
R2 = 0.19 | pr = 0.120 | pr = -0.140c | pr = -0.237d | |
Energy/Fatigue | R = 0.55a | β = 0.029 | β = -0.133 | β = -0.465a |
R2 = 0.30 | pr = 0.022 | pr = -0.080 | pr = -0.312a | |
Emotional well-being | R = 0.58a | β = 0.308d | β = -0.210c | β = -0.593a |
R2 = 0.32 | pr = 0.231d | pr = -0.137c | pr = -0.392a | |
Social functioning | R = 0.57a | β = 0.066 | β = -0.287b | β = -0.369d |
R2 = 0.32 | pr = 0.050 | pr = -0.186b | pr = -0.256d | |
Pain | R = 0.70a | β = -0.175c | β = -0.219c | β = -0.362a |
R2 = 0.48 | pr = -0.0152c | pr = -0.163c | pr = -0.285a | |
General health | R = 0.57a | β = -0.185c | β = -0.085 | β = -0.347d |
R2 = 0.31 | pr = -0.140c | pr = -0.056 | pr = -0.241d |