Table 2.

Modeling lipids levels in relation to physical activity status

	b-coefficient for physical activity*	Standard Error	P-value
Men
Triglycerides (mg/dl)	-3.655	0.81	0.259
Apolipoprotein B (mg/dl)	-0.829	0.85	0.347
Apolipoprotein A1 (mg/dl)	0.671	0.725	0.355
Total cholesterol (mg/dl)	-0.985	1.105	0.373
Non HDL-cholesterol (mg/dl)	-0.353	1.202	0.769
HDL-cholesterol (mg/dl)	0.056	0.438	0.897
Oxidised LDL (mg/dl)	0.118	1.265	0.926
LDL-cholesterol (mg/dl)	-0.089	1.15	0.938
Women
Apolipoprotein A1 (mg/dl)	1.890	0.811	0.020
HDL-cholesterol (mg/dl)	0.958	0.425	0.024
Apolipoprotein B (mg/dl)	-0.529	0.852	0.489
Oxidised LDL (mg/dl)	-0.676	1.097	0.538
Triglycerides (mg/dl)	-1.096	1.68	0.583
LDL-cholesterol (mg/dl)	-0.482	1.105	0.644
Non HDL-cholesterol (mg/dl)	-0.207	1.131	0.855
Total cholesterol (mg/dl)	-0.104	1.06	0.882

Physical activity entered in the models as an ordered variable according to kcal/min expended per week (i.e. sedentary, low, medium, and high). Covariates entered in all models are: age (years), body mass index (Kg/m² ), dietary and smoking habits (pack-years).