Objective:

To identify the hereditary family history of hypertension (father-mother) as a risk factor for hypertensive family (children).

Design:

Case-control study.

Participants:

Families with children over 18, defining the family as the group of children (unit of analysis)..

Main measures:

We considered case families when at least one child was hypertensive (hypertensive family). We considered control families those whose children had no diagnosis (non-hypertensive family). 102 cases and 151 controls were studied. The hereditary family history of hypertension was divided into four categories: hypertensive father, hypertensive mother, hypertensive father and mother, and non-hypertensive father and mother (comparison group). The analysis included multiple logistic regression and probability estimates.

Results:

The model that best explained hypertension includes hereditary family history (father and mother) and age of the family (p=0.001). y= -7.754 + 1.428 (hypertensive father and mother) +0.144 (age of the family). When the average age of the family is 50 and there is a history of hypertensive father and mother, the probability that at least one of the children is hypertensive is 70.6 %; in the case of non-hypertensive father and mother, the probability is 36.5 %.

Conclusions:

A history of hypertensive father and mother associated with the average age of the family (children) is a risk factor for hypertensive family (children).

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