[Relation of socioeconomic levels and life style to fibrinogen and von Willebrand factor in healthy Venezuelans and those with ischemic cardiopathy]. / Relación entre el nivel socioeconómico y hábitos de vida, con el fibrinógeno y el factor von Willebrand en venezolanos sanos y con cardiopatía isquémica.

Previous studies in Europe, U.S.A and Japan have revealed an inverse relationship between socioeconomic levels and fibrinogen concentration. Similar results have been reported in a smaller number of studies for concentrations of von Willebrand factor. In this opportunity we present results on the relationship between smoking, drinking, physical activity, age and socioeconomic level on fibrinogen and von Willebrand factor concentrations in a Venezuelan sample. The control population consisted of 978 men and 968 women. Patients with coronary heart disease were 172 males and 78 females. The presence of one or more of the following conditions: smoking or less than 5 years of having quit, non drinkers or drinking in excess, and a reduced physical activity, was considered a health related risk factor for high levels of these two haemostatic variables. Our results indicate that in Controls, the socioeconomic level had a significant effect on fibrinogen and von Willebrand factor levels, only in women: those of lower socioeconomic levels had the highest concentrations. This difference was maintained when age was taken into account. Health related behaviors had no significant effect on either variable. In patients, age had no effect on either variable. The health behavior risk factor had a significant effect only on fibrinogen of male patients, and socioeconomic level had a significant effect only on the fibrinogen of female patients. More studies in Venezuela are recommended, in order to increase our knowledge on the relationship between socioeconomic levels, haemostatic markers and the occurrence of coronary heart disease.