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Table 1 Inclusion and exclusion criteria to recruit for survey participants

From: Impact of Alzheimer’s Disease on Caregiver Questionnaire: internal consistency, convergent validity, and test-retest reliability of a new measure for assessing caregiver burden

Inclusion criteria Exclusion criteria
Age ≥ 18 years Questionable validity of content Each participant was required to read the informed consent form that appeared on their computer screen prior to beginning the survey.
Alzheimer’s disease caregiver status Informal caregiver to an AD patient Cognitively impaired Possess any of the following conditions:
 psychiatric disorder,
 developmental disorder that affected cognitive or emotional functions so that judgment and reasoning were significantly diminished,
 under the influence of/dependent on drugs/alcohol, or
 suffering from degenerative diseases affecting the brain.
English literacy Able to read and write English sufficiently to complete the study instrument and provide the informed consent.