Introduction:

High blood pressure is a public health problem worldwide. In Colombia, its prevalence is 25% with a high mortality rate. The psychosocial factors affecting pharmacological adherence among patients have not been sufficiently studied and despite international evidence on their impact, in Colombia, there is a paucity of research on the role of chronic stress in the relationship between socioeconomic status and pharmacological adherence.

Objective:

To examine the role of chronic stress in the relationship between socioeconomic status and pharmacological adherence in hypertensive patients aged 45 to 70 years old in three Colombian cities between 2015 and 2016.

Materials and methods:

We conducted a cross-sectional study in a population of hypertensive patients. Data for this study came from the first wave of longitudinal study aimed at examining social factors associated with the control of hypertension in Bogotá, Medellín, and Quibdó. Patients with hypertension were selected randomly from a sample of those participating in the hypertension control program De todo corazón. For the statistical analysis of the data, we used factorial analysis and multivariate regressions.

Results:

We found a positive association between socioeconomic status and the degree of pharmacological adherence and a negative one with chronic stress. Besides, evidence was found that stress has a negative association with the degree of adherence.

Conclusions:

The results suggest that stress is not a likely mediator between socioeconomic status and the pharmacological adherence of hypertensive patients in Colombia. Additional studies are required to confirm these relationships with a larger sample.

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