MEDLINE

(patient compliance.sh.OR patient dropouts.sh.OR treatment refusal.sh.OR patient compliance.ti,ab.OR adherence.ti,ab.OR treatment persistence.ti,ab.OR noncomplian$.ti,ab) AND (exp Drug Therapy.sh.OR medicat$.ti,ab.OR drug regimen$.ti,ab.OR medication regimen$.ti,ab.OR treatment.ti,ab.) AND (exp Aged OR elderly.ti,ab.OR geriatric$.tw.OR gerontolo$.tw.) AND (clinical and trial.ti,ab.OR exp Clinical Trials.sh.OR clinical trial.pt.OR randomized controlled trial.pt.OR random$.ti,ab.OR random allocation.sh.)

CINAHL

(patient compliance.sh.OR patient dropouts.sh.OR treatment refusal.sh.OR medication compliance.sh.OR self administration. sh.OR patient compliance.ti,ab.OR adherence.ti,ab.OR treatment adj persistence.ti,ab.OR noncomplian$.ti,ab.) AND (exp Drug Therapy.sh.OR medicat$.ti,ab.OR drug regimen$.ti,ab.OR medication regimen$.ti,ab.OR treatment.ti,ab.) AND (Exp Aged. sh.OR elderly.ti,ab.OR geriatric$.ti,ab.OR gerontolo$.ti,ab.) AND (exp Clinical Trials OR clinical and trial.ti,ab.OR clinical trial.pt.OR random$.ti,ab.OR random.hw.)

PsycINFO

(treatment compliance.sh.OR treatment dropouts.sh.OR treatment refusal.sh.OR drug self administration.sh.OR treatment adj compliance.ti,ab. OR adherence.ti,ab.OR treatment persistence. ti,ab.OR treatment dropout$.ti,ab.OR treatment adj refusal$.ti,ab.) AND (exp Drug Therapy OR exp DRUGS OR drug.ti,ab.OR treatment.ti,ab.OR regimen$.ti,ab.) AND (random$.ti,ab.OR clinical trial$.ti,ab.OR treatment outcome$.ti,ab.OR control$.ti,ab.) AND (limit to middle age <age 40 to 64 yrs> OR aged <age 65 yrs and older> OR very old <age 85 yrs and older>)

International Pharmaceutical Abstracts

(patient education interventions.sh.OR interventions patient education .sh.OR interventions patient information.sh.OR interventions patients.sh.OR interventions.hw.OR education.hw.) AND (compliance. hw.OR compliance.fs.OR noncomplian$.tw.OR nonadheren$. tw.OR treatment persistence.tw.) AND limit to journal articles

EMBASE

(randomization/de OR clinical trial/exp OR controlled trial/exp OR controlled study/exp OR random* OR control*) AND (‘drug therapy’/ exp OR medicat* OR ‘drug regimen’) AND(patient compliance/de OR treatment refusal/de OR illness behavior OR patient dropout OR medication compliance OR medication adherence OR patient compliance OR treatment persistence OR noncomplian*) AND (aged/exp OR elderly OR geriatric* OR gerontolog*) AND (intervention* OR outcome* OR treatment outcome/exp OR education)

exp = explode; .fs. = floating subheading; py = publication year; .sh. and /de = subject heading; .ti,ab. = title and abstract; $ and * = truncation symbols.