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Table 2 Summary and comparison of socio-demographic and clinical variables by study group

From: The assessment of generalized anxiety disorder: psychometric validation of the Spanish version of the self-administered GAD-2 scale in daily medical practice

 

GAD Group (n = 110)

Control Group (n = 110)

p

Reliability (n = 60)

Age (years): mean (SD)

47.1 (15.6)

48.0 (16.1)

0.679

37.2 (10.7)

Gender (% women)

72.6

72.6

1.000

62.1

BMI (kg/m2)

26.1 (4.8)

25.8 (4.2)

0.635

24.9 (3.4)

Race (% white)

98.1

100

0.498

100

Education (%)

  

0.262

 

None

5.7

1.9

 

0

Primary

35.8

30.2

 

21.7

Secondary

24.5

29.2

 

38.3

Professional Degree

17.0

13.2

 

13.3

Higher

17.0

25.5

 

26.7

Marital Status (%)

  

0.596

 

Single

18.9

15.2

 

28.3

Married

67.0

65.7

 

43.3

Separated/Divorced

6.6

8.6

 

26.7

Widowed

7.5

8.6

 

1.7

Other

0

1.9

 

0

Labour Status (%)

  

0.095

 

Home-maker

17.9

22.9

 

10.0

Active

58.5

62.9

 

45.0

Unemployed

2.8

4.8

 

33.3

Disabled

10.4

1.9

 

8.3

Retired

10.4

7.6

 

3.3

People in Treatment (%)

79

20

< 0.001

NR

Number of Treatments

1.30 (0.11)

0.06 (0.03)

< 0.001

NR

Disorder history (years)

3.49 (0.40)

NA

NA

6.87 (5.56)

HAM

26.54 (9.11)

6.74 (5.12)

< 0.001

NR

HADS-A

12.59 (4.41)

4.08 (2.40)

< 0.001

NR

HADS-D

8.84 (4.99)

2.51 (2.85)

< 0.001

NR

GAD-7

13.96 (4.19)

3.54 (3.32)

< 0.001

13.15 (4.46)

GAD-2

4.58 (1.31)

1.21 (1.39)

< 0.001

3.77 (1.47)

WHODAS-II (overall)

35.78 (22.3)

8.94 (11.8)

< 0.001

NR

  1. NA = Not applicable, NR = Not recorded, HAM-A = Hamilton Anxiety scale, HADS = Hospital Anxiety Depression Scale, GAD-7 = 7-item Generalised Anxiety Disorder scale, GAD-2 = 2-item Generalised Anxiety Disorders scale, WHODAS II = World Health Organisation Disability Assessment Scale II. Data expressed as mean (standard deviation) or percentage.