Does knowledge of family history of CVD have an effect on behavioral compliance among hypertensive persons?

Background: Cardiovascular disease (CVD) is one of the leading causes of death among both men and women. Hypertension (HTN) is a major risk factor for CVD. Furthermore, studies have shown that awareness of a family medical history does not result in behavior modification. Additionally, research suggests controlling HTN can reduce the risk of CVD related mortality. The objective was to determine if knowledge of family history of CVD has an impact on behavioral compliance among hypertensive persons. The hypothesis was that family history does not have a significant impact on behavior compliance as it related to CVD prevention.

Methods: Data from National Health and Nutrition Examination Survey (1999-2005) was utilized. The sample population was comprised of 4,635 hypertensive persons between the ages of 16-85years. Compliance was assessed by questions regarding provider suggested behavior change due to hypertension.

Results: The rate of hypertensives with knowledge of CVD among the population was 35%. The most common behavior modification amongst this population was increased physical activity. When evaluating family history and its affect on compliance 42% of the population failed to modify their behaviors in spite of their increased risk for CVD. Knowledge of family history of CVD did not significantly affect behavioral compliance.

Conclusion: Lack of influence of family history knowledge on behavioral compliance demonstrates, perhaps, a lack of comprehension on the increased risk of morbidity and mortality from CVD. These results provide an opportunity for a health education intervention in the importance of family history on risk of CVD.