Table 2.

Odds ratios (and 95% confidence intervals) from logistic regressions for associations of metabolic markers with self-reported OA^a

	Models	Categories	Adjusted models (by age)	Adjusted models (by age, BMI)	Adjusted models (by age, serum creatinine)
Female (n = 1267)	Model 1. BMI categories	Underweight/normal (< 25 kg/m2)	Ref	–	Ref
		Overweight (25–30 kg/m2)	1.53 (0.65, 2.13)	–	1.32 (0.87,2.21)
	Model 2. BF%b categories	Athletic/ Acceptable	Ref	Ref	Ref
		Overweight/obese	3.12 (1.25,4.4)*	2.67 (1.32,3.51)*	1.47 (1.12,1.84)*
	Model 3. Waist circumference (cm)	< 88 cm	Ref	Ref	Ref
		> 88 cm	2.62 (1.51,3.01)*	0.91 (0.80,2.64)	1.27 (0.91,2.14)
	Model 4. Maximum Weight change (kg)c	–	1.03 (0.91,1.43)	1.07 (0.96,2.46)	1.03 (0.82,2.68)
	Model 5. Serum Creatinine	≥65 μmol/L	Ref	Ref	–
		< 65 μmol/L	1.21 (0.87,2.45)	0.87 (0.45,1.97)	–
Male (n = 1195)	Model 1. BMI categories	Underweight/normal (< 25 kg/m2)	Ref	–	Ref
		Overweight (25–30 kg/m2)	0.92 (0.75,1.91)	–	1.43 (0.93,2.45)
	Model 2. BF%b categories	Athletic/ acceptable	Ref	Ref	Ref
		Overweight/obese	1.82 (1.15,3.58)*	2.11 (1.38,3.21)*	1.12 (0.78,1.93)
	Model 3. Waist circumference (cm)	< 102 cm	Ref	Ref	Ref
		> 102 cm	2.21 (1.3,3.81)*	0.91(0.83,1.54)	1.08 (0.91,1.72)
	Model 4. Maximum Weight change c(kg)	–	1.04 (1.02,1.76)*	1.05 (0.87,2.32)	0.29 (0.12,2.16)
	Model 5. Serum Creatinine	≥73 μmol/L	Ref	Ref	–
		< 73 μmol/L	1.97 (0.91,2.89)	0.91 (0.35,2.1)	–

^a All results are weighted according to the sample weights of the Canadian Health Measure Survey (CHMS); ^b Body Fat percentage (BF%);^c Individual body fat percentages were grouped into three body fat categories: athletic/good (males: < 14% females < 23%), acceptable (males 15–20%, females 24–30%), or overweight/obese (male > 21% females > 31%).; ^d Maximum Weight change as an adult from 18-years-old (kg); * p-value< 0.05