Table 1.
Subjects: Descriptive Information
|
GAD N=160 |
Comparison Subjects N=37 |
Test Statistic | |
|---|---|---|---|
| Age1 (years) | 71.6 (7.7) | 74.9 (6.2) | t = −2.53, df=195, p=0.012 |
| % Female | 68.8 (n=110) | 67.6 (n=25) | χ2 = 0.02, df=1, p=0.89 |
| % Caucasian | 82.5 (n=132) | 91.9 (n=34) | χ2 = 2.00, df=1, p=0.16 |
| Education1 (years) | 13.9 (2.8) | 14.7 (3.0) | t = −1.48, df=195, p=0.14 |
| CIRS total | 8.5 (3.7) | 7.9 (3.1) | t = 0.85, df=195, p=0.40 |
| CIRS Heart + Vascular Scales | 2.3 (1.7) | 2.1 (1.3) | t = 0.70, df=195, p=0.48 |
| HRSA1 | 22.8 (4.5) | 4.8 (3.7) (n=36) | t = 19.89, df=40.4, p<0.0001* |
| PSWQ | 56.3 (12.6) (n=158) | 28.1 (6.8) (n=30) | t = 17.71, df=73.3, p<0.0001* |
| GAD Onset (years) | 39.6 (26.9) (n=159) | -- | -- |
| GAD Duration (years) | 32.01 (26.00) | -- | -- |
| %Co-morbid Anxiety Disorder | 34.0 (n=53/156) | -- | -- |
| % Co-morbid MDD | 15.4 (n=24/156) | -- | -- |
| HRSD | 11.93 (3.89) | 1.78 (2.20) | <0.0001 |
| HRSD-Core Depression Items | 3.01 (1.85) | 0.11 (0.31) | <0.0001 |
| % Prescribed lorazepam | 22.5 | 2.7 | χ2=772, df=1, p=0.006 |
| MMSE | 28.14 (1.72) (n=159) | 29.03 (1.16) | 0.0015 |
Cumulative Illness Rating Scale-Geriatrics (CIRS-G), Hamilton Rating Scale for Anxiety (HRSA), Penn State Worry Questionnaire (PSWQ), Hamilton Rating Scale for Depression (HRSD); Mini-Mental State Exam (MMSE)
1
SQRT(X) transformation used in the analyses. Means and standard deviations reported in the original units.
*
Satterthwaite test used due unequal variances.