Skip to main content

Table 6 Bivariate and multivariate analysis determinants of non-adherence to antihypertensive medication

From: Predictors of non-adherence to antihypertensive medication in Kinshasa, Democratic Republic of Congo: a cross-sectional study

Variables Bivariate analysis Multivariate analysis
Crude OR (95 % CI) P value Adjusted OR (95 % CI) P value
Age   0.782
Gender 0.8 (0.5–1.3) 0.412
Education
 No formal 1.0 (0.5–2.3) 0.921
 Primary 1.9 (0.9–4.2) 0.078
 Secondary 1.5 (0.7–3.3) 0.272
 Tertiary     
Occupation
 Unemployed/retired 0.9 (0.6–1.4) 0.832
 Employed     
Duration of hypertension, year
 Unknown 0.6 (0.3–1.5) 0.317
 ≥5 1.3 (0.8–1.9) 0.284
 <5     
Duration of antihypertensive treatment, year
 Unknown 0.9 (0.4–1.9) 0.897
 ≥5 1.2 (0.8–1.9) 0.342
 <5     
Control of blood pressure n = 390
 Uncontrolled 1.8 (1.1–3.2) 0.032* 2.0 (1.1–3.7) 0.018*
Experience of medication side effects 1.9 (1.3–2.9) 0.001* 2.2 (1.4–3.3) 0.001*
Experience of physical symptoms due to hypertension 1.4 (0.9–2.1) 0.122
Presence of Co-morbidity 1.2 (0.8–1.7) 0.465
Taking of non-prescribed medications 1.7 (1.1–2.8) 0.042* 2.2 (1.2–3.8) 0.006*
Poor knowledge of risk factors related to HTN 0.7 (0.5–1.1) 0.140
Poor knowledge of HTN related complications 2.5 (1.4–4.3) 0.001* 2.4 (1.4–4.4) 0.003*
Poor knowledge of treatment benefit 1.5 (0.7–3.1) 0.324
Beliefs that BP medications are helpful in controlling BP 1.3 (0.7–2.3) 0.421
Accept hypertensive status 1.2 (0.7–2.0) 0.589
Perception of HTN gravity 1.1 (0.6–1.8) 0.838
Perception of HTN related complications gravity 1.2 (0.7–2.0) 0.526
Perception of patient-provider relationships 2.0 (0.8–4.9) 0.128
Lack of patient education performed in the healthcare facility 1.9 (1.3–2.9) 0.003* 1.7 (1.1–2.7) 0.023*
Perception of treatment cost 0.9 (0.6–1.6) 0.948
Healthcare facility accessible geographically 0.9 (0.6–1.5) 0.771
Unavailability of antihypertensive medications in the healthcare facilities 2.6 (1.3–5.2) 0.003* 2.8 (1.4–5.5) 0.003*
  1. * p value <0.05