Table 4.

Final linear regression model: Variables retained when adjusting in a single model (backward method), for each sex, the variables: age, waist/height ratio, heart rate, LDL, cholesterol, triglycerides/HDL ratio, HOMA-2, SBP, DBP, physical activity, smoking and alcohol.

INDEPENDENT VARIABLES	DEPENDENT VARIABLE Irisin (µg/mL) WOMEN n=2298 RC (CI95%); p	INDEPENDENT VARIABLES	DEPENDENT VARIABLE Irisin (µg/mL) MEN n=1529 RC (CI95%); p
Age. years	-0.12 (-0.18- -0.06); p<0.001	Age. years	-0.05 (-0.12- 0.01); p=0.097
Waist/height ratio	-0.19 (-0.26- -0.13); p<0.001	Heart rate. b/m	-0.11 (-0.18- -0.04); p=0.002
Heart rate. b/m	-0.09 (-0.15- -0.03); p=0.005	HOMA-2	3.40 (1.45- 5.36); p=0.001
HOMA-2	2.07 (0.06- 4.07); p=0.043	DBP. mmHg	0.08 (0.00- 0.15); p=0.045
DBP. mmHg	0.09 (0.03- 0.15); p=0.005	Physical activity. h/w	1.01 (0.41- 1.62); p=0.001
Physical activity. h/w	1.58 (1.06- 2.10); p<0.001	Alcohol. gr/day	0.03 (0.00- 0.06); p=0.029

DBP, Diastolic blood pressure.