Table 2.

Eligibility criteria for study inclusion in the qualitative literature review

Criteria	Include	Exclude
Population	•Patient population aged ≥50 years •Patient population with mild AD	•Patient population aged <50 years •Patient population with early onset AD only •Patient population with severe AD as defined within the specific study
Setting	•Patients from English-speaking countries (initial focus on US data)	•Patients from non–English-speaking countries
Study design	•Any study designs which report qualitative patient (or caregiver reported) experiences (including interviews, focus groups, and survey designs) •Studies reporting on concepts relating to symptoms of mild AD and related impact	•Nonqualitative studies
Publication language	•English language	•Non-English language
Year of publication	•2000–Present (date of search: April 29, 2016)	•Before 2000

Abbreviation: AD, Alzheimer's disease.