Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc
Journal website http://www.jocmr.org

Original Article

Volume 2, Number 1, February 2010, pages 27-33


The Value of Patient-administered Depression Rating Scale in Detecting Cognitive Deficits in Depressed Patients

Tables

Table 1. The factor Structure and Lodgings and Factors Cronbach’s α for the TDQ
 
Factor 1Factor 2Factor 3
CognitiveAffectiveSomatic
Factor 1 : Cognitive
3. I felt more agitated than before.46.07-0.09
9. I felt upset.64-.18.19
10. I had poor memory.63-.02.04
11. I could not concentrate when doing things.50-.11.01
12. I was slower in thinking and doing things than before.68.04-.22
13. I felt less confident than before.74.16-.31
14. I tended to look at the dark side of everything.64.10-.19
15. I felt miserable and even want to die.43-.02.18
18. I felt worthless.65-.38.63
Cronbach’s α.86
Factor 2: Affective
1. I often felt like crying-.14.40-.18
2. I felt blue and depressed.24.89-.52
5. I had poor appetite.05.50.37
7. I felt uneasy, uncomfortable-.13.64.32
8. I felt tired and weak (“Xu”, “mo wan qi”).23.68-.11
16. I lost interest in everything.32.48.13
17. I felt sick. (Headache, dizziness, palpitation, or abdominal distress).00.59.39
Cronbach’s α.95
Factor 3: somatic
4. I had trouble in sleeping...-.12.15.72
6. I frequently had chest tightness(“sim-guan-tau-bang-bang”)-.25.36.63
Cronbach’s α.87

 

Table 2. Demographic Data and Neuropsychological Measures for Patients and Controls
 
Major DepressionNormal ControlsZSig.
Mean ± SDNMean ± SDN
*p < 0.05 (two-tailed); **p < 0.01 (two-tailed). aHAM-D-17: 17-item Hamilton Rating Scale for Depression; WMS-R: Wechsler Memory Scale–Revised; CPT: Continuous Performance Test; FTT: Finger Tapping Test, SCWT: Stroop color-word test. bMann-Whitney U test was used to compare the ages and variables of cognitive measurement in both groups. Cross table chi-square was used to compare the sex, education level, and marital status. cSignificance at the study-wise type I error rate of 0.05 (2-tailed) after adjustment. P value with Hochberg’s Sharpened Bonferroni correction.
Sex
  Male510.09
  Female149
Educational level
  Below junior high school40.11
  Above junior high school1519
Marital status
  Married812.33
  Single117
Age33.16 ± 9.771936.05 ± 7.9119-.86.40
HRSD-1721.47 ± 5.00190.33 ± 0.7619-5.35**
WMS-R
  Verbal MEM.I80.08 ± 18.061993.25 ± 10.7619-2.38*
  Visual MEM.I87.58 ± 24.1319115.25 ± 13.9519-2.71**
  General MEM.I84.42 ± 22.8419100.00 ± 9.3819-2.43*
  Attention/Concentration102.42 ± 8.7119101.14 ± 10.2519-0.77.45
  Delayed Recall I90.07 ± 19.1319108.07 ± 11.9919-2.86**
FTT
  Dominant hand35.63 ± 14.861961.46 ± 10.6319-3.81**
SCWT
  Test time118.8 ± 76.871970.85 ± 20.2719-2.42*
CPT
  d’ MASKED3.83 ± .91193.70 ± .9119-.41.71

 

Table 3. Neurocognitive Performance versus HRSD Scores and Principal Components, Partial Correlation Controlling for Age
 
SumFactor 1Factor 2Factor 3
(r)(r)(r)(r)
*p < 0.05 (two-tailed). aWMS-R: Wechsler Memory Scale–Revised; CPT: Continuous Performance Test; FTT: Finger Tapping Test, SCWT: Stroop color-word test. bFactor 1: insomnia/hypochondriasis factor; Factor 2: anxiety factor; Factor 3: core depression factor.
WMSR
  Verbal MEM.I-.50-.40-.06-.30
  Visual MEM.I.17-.07-.10-.44
  General MEM.I-.49-.62*.00-.41
  Attention/Concentration I.37-.01-.10.07
  Delayed Recall I-.28-.13-.01-.50
FTT
  Dominant hand.42.05.55-.57*
SCWT
  Test time.14-.32.06-.15
CPT
  d’ MASK-.52-.51.02-.46

 

Table 4. Neurocognitive Performance versus TDQ Scores and Principal Components, Partial Correlation Controlling for Age
 
SumCognitive FactorAffective FactorSomatic Factor
(r)(r)(r)(r)
*p < 0.05 (two-tailed); **p < 0.01 (two-tailed); ***p < 0.001 (two-tailed). aWMS-R: Wechsler Memory Scale–Revised; CPT: Continuous Performance Test; FTT: Finger Tapping Test, SCWT: Stroop color-word test.
WMSR
  Verbal MEM.I-.50-.31-.78**.33
  Visual MEM.I.17.06-.07.68*
  General MEM.I-.49-.39-.63*.34
  Attention/Concentration I.37.59-.09.54
  Delayed Recall I-.28-.08-.53.43
FTT
  Dominant hand.42.22-.08.63
SCWT
  Test time.14-.11-.46.92***
CPT
  d’ MASK-.52-.61-.58-.19

 

Table 5. Change in Neurocognitive Performance versus Change in TDQ Scores and Principal Components, Partial Correlation Controlling for Age
 
SumCognitive FactorAffective FactorSomatic Factor
(r)(r)(r)(r)
*p < 0.05 (two-tailed); **p < 0.01 (two-tailed); ***p < 0.001 (two-tailed). aWMS-R: Wechsler Memory Scale-Revised; FTT: Finger Tapping Test, SCWT: Stroop color-word test.
WMSR
  Verbal MEM.I.84.64-.11.91
  Visual MEM.I-.66-.80-0.111.00***
  General MEM.I1.00**-.01-.891.00***
  Attention/Concentration I-.13.28-1.00***.63
  Delayed Recall I.64.43-.501.00***
FTT
  Dominant hand.29-.191.00***1.00***
SCWT
  Test time.29.19-.401.00***
CPT
  d’ MASK-1.00**-.61-.58-.19