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Table 1 Sample Characteristics (N = 101)

From: Psychometric validation of the revised SCOPA-Diary Card: expanding the measurement of non-motor symptoms in parkinson's disease

  

N

(%)

Age in years, mean (SD)

66.3

(12.5)

Gender

Male

51

(50.5)

Education

Less than high school

6

(5.9)

 

High school

13

(12.9)

 

Some college

41

(40.6)

 

Bachelor's degree or higher

41

(40.6)

Race/Ethnicity

White, Non-Hispanic

89

(88.1)

 

Black, Non-Hispanic

5

(5.0)

 

Hispanic

4

(4.0)

 

Other

3

(2.9)

Marital Status

Married

71

(70.3)

 

Widowed

6

(5.9)

 

Divorced/Separated

13

(12.9)

 

Never Married/Living with partner

11

(10.9)

Employment Status

Working - paid employee

20

(19.8)

 

Working - self-employed

1

(1.0)

 

Not working/Retired

80

(79.2)

Diagnosed with PD

Less than 1 year

20

(19.8)

 

1 year or more

81

(80.2)

 

Number of years, mean (SD)

7.4

(5.4)

PD Symptoms

Resting tremors

78

(77.2)

 

Slowed ability to start and continue movements

41

(41.0)

 

Rigidity or inability to complete a movement, stiffness

35

(35.0)

 

Difficulty with balance or instability

51

(51.0)

 

Stooped, forward-leaning posture

32

(32.0)

 

Freezing or sudden, brief inability to move the feet

16

(16.2)

Daily Off-Time

None

15

(14.9)

 

1-25% of the day

58

(57.4)

 

26-100% of the day

28

(27.7)

Currently taking levodopa

62

(61.4)

Time taking levodopa

Less than 1 year

11

(17.7)

 

1 year or more

51

(82.3)

PDQ-8 Summary Index, mean (SD)

34.3

(22.5)

WOQ-9 Percentage of Symptoms, mean (SD)

60.5

(22.2)

SF12v2 - Physical Component Summary, mean (SD)

38.2

(10.7)

SF12v2 - Mental Component Summary, mean (SD)

46.0

(10.5)

  1. PDQ8-SI = Parkinson's Disease Questionnaire-8 Summary Index; WOQ-9 = Wearing-Off Questionnaire-9; SF-12 = Short Form-12 Health Survey; PCS = Physical Component Summary;
  2. MCS = Mental Component Summary; SD = Standard deviation; PD = Parkinson's disease.