Table 4.
Relationship between body fat/obesity measures and disease status and cardiovascular risk factors*
DXA |
BMI |
Waist circumference |
|||||
---|---|---|---|---|---|---|---|
Total fat % (Total fat mass/ total mass)§ |
Obese by DXA | Trunk fat % (Trunk fat mass/ total mass§ |
Original | New | Original | New | |
Men | |||||||
Disease status | |||||||
Pain rating (0 – 10) | 0.8 (0.2, 1.4) †† | 0.9 (−0.7, 2.4) | 1.2 (0.1, 2.3) † | 1.4 (0.02, 2.6) † | 1.3 (0.1, 2.7) † | 0.8 (−0.4, 2.1) | 0.7 (−0.6, 1.9) |
RADAI score | 0.6 (0.1, 1.1) † | 0.5 (−0.7, 1.7) | 0.8 (−0.1, 1.7) | 1.2 (0.2, 2.2) † | 1.0 (0.0, 2.0) † | 0.6 (−0.4, 1.6) | 0.4 (−0.6, 1.4) |
Fatigue | 1.1 (0.4, 1.7) †† | 0.7 (−1.0, 2.5) | 1.6 (0.3, 2.9) † | 1.5 (0.02, 2.9) † | 1.3 (−0.1, 2.8) | 0.7 (−0.7, 2.2) | 0.8 (−0.6, 2.2) |
HAQ | 0.1 (−0.04, 0.3) | −0.2 (−0.7, 0.2) | 0.2 (−0.1, 0.5) | 0.4 (0.05, 0.8) † | 0.2 (−0.2, 0.5) | 0.2 (−0.2, 0.6) | 0.2 (−0.1, 0.6) |
ESR | 1.2 (−4.5, 6.9) | 1.8 (−11.4, 15.1) | 4.4 (−5.6, 14.4) | 11.6 (0.9, 22.4) † | 1.9 (−9.1, 12.9) | 9.6 (−1.0, 20.3) | 10.1 (−0.2, 20.4) |
Cardiovascular risk factors | |||||||
Framingham Risk Score | 0.1 (−0.5, 0.7) | 0.8 (−0.6, 2.2) | 0.7 (−0.3, 1.8) | 1.8 (0.7, 2.9) †† | 1.1 (−0.1, 2.3) | 1.4 (0.3, 2.5) † | 1.8 (0.7, 2.8) †† |
hsCRP (log) | 0.0 (−0.3, 0.3) | −0.5 (−1.0, 0.1) | 0.2 (−0.3, 0.6) | 0.4 (−0.1, 0.8) | −0.3 (−0.8, 0.2) | 0.4 (−0.1, 0.9) | 0.4 (−0.1, 0.9) |
Women | |||||||
Disease status | |||||||
Pain rating (0 – 10) | 0.9 (0.3, 1.4) †† | 1.3 (0.4, 2.2) †† | 1.5 (0.7, 2.2) †† | 2.1 (1.0, 3.2) †† | 0.9 (−0.03, 1.9) | 1.5 (0.6, 2.4) †† | 1.0 (0.1, 1.9) † |
RADAI score | 0.7 (0.2, 1.1) †† | 0.9 (0.1, 1.6) † | 1.2 (0.5, 1.8) †† | 1.7 (0.8, 2.6) †† | 0.6 (−0.2, 1.4) | 1.2 (0.4, 1.9) †† | 0.9 (0.1, 1.6) † |
Fatigue | 0.9 (0.3, 1.5) †† | 1.2 (0.3, 2.2) † | 1.7 (0.9, 2.5) †† | 2.4 (1.3, 3.6) †† | 1.4 (0.4, 2.4) †† | 2.0 (1.2, 2.8) †† | 1.5 (0.6, 2.5) †† |
HAQ | 0.1 (−0.1, 0.3) | 0.1 (−0.1, 0.4) | 0.2 (−0.1, 0.5) | 0.2 (−0.2, 0.5) | −0.1 (−0.3, 0.2) | 0.3 (0.03, 0.6)† | 0.1 (−0.2, 0.4) |
ESR | 3.3 (−1.8, 8.4) | 4.0 (−4.5, 12.5) | 7.5 (0.1, 14.9) † | 11.6 (0.6, 21.5) † | 0.4 (−8.5, 9.2) | 11.0 (2.3, 19.6) †† | 6.3 (−2.1, 14.7) |
Cardiovascular risk factors | |||||||
Framingham Risk Score | 0.7 (−0.02, 1.4) | 1.2 (0.1, 2.4) † | 1.3 (0.3, 2.3) † | 1.8 (0.4, 3.2) †† | 0.5 (−0.7, 1.7) | 1.8 (0.7, 3.0) †† | 1.5 (0.3, 2.6) † |
hsCRP (log) | 0.3 (0.1, 0.5) † | 0.3 (−0.1, 0.6) | 0.4 (0.1, 0.8) † | 0.5 (0.1, 1.0) † | 0.2 (−0.2, 0.6) | 0.3 (−0.1, 0.7) | 0.3 (−0.1, 0.7) |
Values in table are beta 95% confidence) from multivariate regression analyses, adjusted for age, glucocorticoid use, disease duration, and smoking. (Exception: Framingham risk scores were not adjusted for smoking because smoking in included in the calculation of the risk score.)
Per 10% increment.
p<.05;
p<.01