Table 1.

WHO classification of risk factors for nonadherence (64)

Socio-economic factors Age, gender, nationality, live alone/with others, employment status, perceived adequacy of one's financial situation, level of education
Patient-/disease-related factorsHealth beliefs/behaviors, vaccination status, smoking history, alcohol use, depression
Treatment-related factorsPatient symptoms, side effects of medications
Health care system/health care worker factorsLack of health insurance or health benefits