Association of Body Mass Index with Physical Function and Health-Related Quality of Life in Adults with Arthritis
Table 3
Unadjusted and adjusted associations between body mass index and health-related quality of life measures.
Model 1a
Model 2b
BMI coeff ()
Model ()
Model
BMI coeff ()
Model ()
Model
Health-related quality of life
Depression
0.07 (0.02)
5.16 (0.02)
0.01
0.06 (0.055)
4.19 (0.0004)
0.06
Stiffness
0.07 (<0.0001)
23.81 (<0.0001)
0.06
0.06 (<0.0001)
7.70 (<0.0001)
0.11
Pain
0.05 (0.0003)
13.42 (0.0003)
0.03
0.04 (0.007)
5.26 (<0.0001)
0.07
Fatigue
0.06 (<0.0001)
16.76 (<0.0001)
0.04
0.06 (0.0006)
7.94 (<0.0001)
0.11
Disability (HAQ total)
0.01 (0.0004)
12.62 (0.0004)
0.03
0.01 (0.001)
6.05 (<0.0001)
0.08
Quality of life, physical
0.12 (0.03)
4.62 (0.03)
0.01
0.08 (0.15)
3.58 (0.002)
0.05
Quality of life, mental
0.12 (0.01)
6.00 (0.01)
0.01
0.1 (0.05)
3.97 (0.0007)
0.06
Model 1: unadjusted; it contains only BMI (model df = 1). Model 2: adjusted for age, gender, race, moderate to vigorous intensity physical activity, and arthritis drug usage (model df = 9).
