| |
Unadjusted
|
Adjustedd
|
---|
BMIb
|
(n)
|
ORc
|
95% CI
|
OR
|
95% CI
|
---|
Pre-Obese
|
(208)
|
1.6 *
|
1.1 – 2.4
|
1.6*
|
1.0 – 2.5
|
Obese I
|
(119)
|
2.3 **
|
1.4 – 3.8
|
2.0**
|
1.2 – 3.4
|
Obese II
|
(61)
|
4.5***
|
2.3 – 8.9
|
3.9**
|
1.8 – 8.3
|
Obese III
|
(33)
|
7.8 ***
|
2.8 – 20.6
|
7.5**
|
2.5 – 22.6
|
- * P < 0.05; ** P < 0.01; *** P < 0.0001.
-
a Kellgren and Lawrence scale for radiographic osteoarthritis (Grades 2+).
-
b BMI Body Mass Index (kg/m2) WHO Classification: Pre-Obese 25.0–29.9; Obese I 30.0–34.9; Obese II 35.0–39.9; and Obese III 40.0 +.
-
c OR = odds ratio. Referent group for all odds ratios is Normal BMI 18.5–24.9 (n = 155).
-
d Adjusted odds ratio models: [Pain = BMI + age + gender + RKOA grade].