Research Article

Predictors of Nonadherence to Medications among Hypertensive Patients in Ghana: An Application of the Health Belief Model

Table 4

Association between sociodemographic characteristics and respondents’ medication nonadherence.

ParameterNoncompliance statusχ 2-value (-value)/t-statistic (-value)aOR (95% CI)-value
CompliantNoncompliantTotal

Total145 (36.3%)254 (63.7%)399 (100.0%)
Age (mean ± SD)54.18 ± 12.3551.84 ± 9.0652.69 ± 10.421.993 (0.047)0.972 (0.952–0.992)0.007
Gender0.333 (0.603)
 Male74 (51.0%)122 (48.0%)196 (49.1%)
 Female71 (49.0%)132 (52.0%)203 (50.9%)
Level of education4.179 (0.041)
 Up to basic level51 (30.5%)116 (69.5%)167 (41.9%)1
 Secondary/tertiary94 (40.5%)138 (59.5%)232 (58.1%)0.559 (0.360–0.867)0.009
Any other illness
 None74 (51.0%)153 (60.2%)227 (56.9%)3.874 (0.275)
 Diabetes57 (39.3%)76 (29.9%)133 (33.3%)
 Renal failure5 (3.4%)8 (3.1%)13 (3.3%)
 Heart failure9 (6.2%)17 (6.7%)26 (6.5%)
Type of health insurance cover
 None5 (3.5%)21 (8.3%)26 (6.5%)3.496 (0.174)
 NHIS122 (84.7%)206 (81.1%)328 (82.4%)
 Private17 (11.8%)27 (10.6%)44 (11.1%)
Medication currently taken
 Antihypertensive medication104 (71.7%)192 (75.6%)296 (74.2%)0.721 (0.407)
 Antidiabetic and hypertensive medication41 (28.3%)62 (24.4%)103 (25.8%)

Data are presented as frequency and percentage in parenthesis, f (%). SD: standard deviation, NHIS: National Health Insurance Scheme, aOR: adjusted odds ratio, χ2-value: chi-square value, and CI: confidence interval. -Value < 0.05 is considered significant.