Table 1.

PD knowledge and attitude questionnaire items

Knowledge	Items
	Response options: definitely true, somewhat true, I don’t know, somewhat false, definitely false
Causes	PD is more common in the elderly; In most cases, the cause of PD is unknown; PD is contagious
Symptoms	Shaking (tremor) is a main symptom of PD; Memory loss is a main symptom of PD; Slow movements are a main symptom of PD
Diagnosis	There is a blood test which can diagnose PD
Management	Medications can improve the symptoms of PD; Exercise can improve the symptoms of PD; Diet can improve the symptoms of PD
Attitudes	Items
	Response options: strongly agree, somewhat agree, neither agree nor disagree, somewhat disagree, strongly disagree
Perceived barriers	There is a stigma or shame associated with having PD; I would be embarrassed to use a walker
Perceived severity	People with PD live long and active lives
Perceived susceptibility	My risk of getting PD is high; As long as I eat well and exercise, I can prevent PD; I worry about being diagnosed with PD someday
Perceived benefits	Treatment for early PD is very effective; Treatment for PD is not worth the side effects of medications
Cues to action	If I had signs or symptoms of PD, I would talk to my doctor; PD is a natural result of aging