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Table 2 Factors inhibiting adherence to medications: thematic matrix of categories, subcategories and concepts (n = 40)

From: Perceptions of inhibitors and facilitators for adhering to hypertension treatment among insured patients in rural Nigeria: a qualitative study

Category Sub-category Concepts
1) Healthcare related factors Inflexible clinic hours Clinic visits always coincide with religious worship time [n = 3]*
Works/farm during clinic hours [n = 10]
Difficult to refill drugs for longer periods when travelling out of town [n = 6]
  Long waiting time Less time available for business or other important activities [n = 31]
Logistics/ travel costs constraints Residence too far from clinic [n = 4]
  Medications out of stock Under dispensed prescriptions [n = 11]
Prescribed pills not dispensed [n = 3]
2) Patient related factors Poor knowledge about hypertension Hypertension is curable, transient [n = 23]
Feels well, no symptoms, so don’t use pills [n = 3]
3) Medication related factors Adverse effects, side effects Abandon pills to avoid intolerable effects [n = 7]
  Complexity of prescription regimes Too many pills prescribed, too frequent dosing to follow [n = 6]
  Substitution/supplementation of prescribed medicines Takes herbal drugs alongside prescribed pills [n = 5]
Takes herbal drugs in place of prescribed pills [n = 2]
4) Religion related factors Medication use discouraged by faith practice Believes in faith healing [n = 2]
Dosing frequency incompatible with faith practice (fasting) [n =13]
5) Social factors None or poor social support Wife lacks husband’s approval (which is) mandatory for outings – clinic visits [n = 1]
  1. *n refers to the number of respondents whose perceptions contribute to the corresponding concepts.