Power laws in covariability of anxiety and depression among newly diagnosed patients with major depressive episode, panic disorder and controls

Journal of Evaluation in Clinical Practice

Volumn 15, Issue 3, 2009, Pages 565-570

  Katerndahl, David A ^a  

^a UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO   (United States)

Author keywords

Anxiety; Depression; Panic disorder; Power laws

Indexed keywords

ADULT; ANXIETY DISORDER; ARTICLE; CHAOTIC DYNAMICS; CLINICAL ARTICLE; CONTROLLED STUDY; DEPRESSION; DIAGNOSTIC AND STATISTICAL MANUAL OF MENTAL DISORDERS; FEMALE; HUMAN; MAJOR DEPRESSION; MALE; NONLINEAR SYSTEM; PANIC; PRIORITY JOURNAL; RELAPSE; STATISTICAL ANALYSIS; STRESS; SYMPTOMATOLOGY; VISUAL ANALOG SCALE;

ADULT; AGED; ANXIETY; COMORBIDITY; DEPRESSIVE DISORDER, MAJOR; FEMALE; HUMANS; LINEAR MODELS; MALE; MIDDLE AGED; PAIN MEASUREMENT; PANIC DISORDER; TEXAS;

EID: 66249115650     PISSN: 13561294     EISSN: 13652753     Source Type: Journal    
DOI: 10.1111/j.1365-2753.2009.01166.x     Document Type: Article

References (29)

1. Nolen-Hoeksema, S. (2000) Role of rumination in depressive disorders and mixed anxiety/depressive symptoms. Journal of Abnormal Psychology, 109, 504 511.
2. Burns, D. D. Eidelson, R. J. (1998) Why are depression and anxiety correlated? A test of the tripartite model. Journal of Consulting and Clinical Psychology, 66, 461 473. (Pubitemid 28272949)
3. Golier, J. A., Yehuda, R., Schmeidler, J. Siever, L. J. (2001) Variability and severity of depression and anxiety in posttraumatic stress disorder and major depressive disorder. Depression and Anxiety, 13, 97 100. (Pubitemid 32240187)
4. Barlow, D. H. Campbell, L. A. (2000) Mixed anxiety-depression and its implications for models of mood and anxiety disorders. Comprehensive Psychiatry, 41 (suppl. 1 55 60. (Pubitemid 30146635)
5. Helmuth, L. (2003) In sickness or in health? Science, 302, 808 810. (Pubitemid 37339611)
6. Yeragani V. K., Pohl R., Mallavarapu, M. Balon, R. (2003) Approximate entropy of symptoms of mood: an effective technique to quantify regularity of mood. Bipolar Disorders, 5, 279 286. (Pubitemid 37020864)
7. Thayer, J. F. Lane, R. (2000) Model of neurovisceral integration in emotion regulation and dysregulation. Journal of Affective Disorders, 61, 201 216. (Pubitemid 32119267)
8. Thomasson, N. Pezard, L. (1999) Dynamical systems and depression. Acta Biotheoretica, 47, 209 218.
9. Thomasson, N., Pezard, L., Allilaire, J. F., Renault, B. Martinerie, J. (2000). Nonlinear EEG changes associated with clinical improvement in depressed patients. Nonlinear Dynamics, Psychology, and Life Sciences, 4, 203 218.
10. Katerndahl, D. A. Wang, C. P. (2007) Dynamic co-variation of symptoms of anxiety and depression among newly-diagnosed patients with major depressive episode, panic disorder and controls. Nonlinear Dynamics, Psychology, and Life Sciences, 11, 349 365.
11. Morel, B. Ramanujam, R. (1999) Through the looking glass. Organization Science, 10 (3 278 293.
12. West, B. Deering, B. (1995) Lure of Modern Science. Singapore : World Scientific.
13. Schmid, L. (2004) Are living beings in the state of self-organized criticality? A new interpretation of data on work incapacity due to low back pain. Medical Hypotheses, 62, 458 461. (Pubitemid 38388915)
14. Love, T. Burton, C. (2005) General practice as a complex system. Family Practice, 22, 347 352.
15. Campbell, W. G. (1997) Is self-organized criticality relevant to alcoholism? Journal of Addictive Diseases, 16 (1 41 50. (Pubitemid 27104434)
16. Piqueira, J. R. C., Monteiro, L. H. A., de Magalhaes, T. M. C., Ramos, R. T., Sassi, R. B. Cruz, E. G. (1999) Zipf's law organizes a psychiatric ward. Journal of Theoretical Biology, 198, 439 443. (Pubitemid 29267722)
17. Heiby, E. M., Pagano, I. S., Blaine, D. D. Nelson, K. (2003) Modeling unipolar depression as a chaotic process. Psychological Assessment, 15 (3 426 434. (Pubitemid 37296237)
18. Wallace, R. Wallace, D. (2004) Structured psychosocial stress and therapeutic failure. Journal of Biological Systems, 12 (3 335 369. (Pubitemid 39415575)
19. Eaton, L. G. Funder, D. C. (2001) Emotional experience in daily life. Emotion, 1 (4 413 421.
20. First, M. B., Spitzer, R. L., Gibbon, M. Williams J. B. W. (1996) Structured Clinical Interview of the DSM-IV Axis I Disorders-Patient Edition (SCID I/P, Version 2.0). New York : Psychiatric Institute.
21. Folstein, M. F. Luria, R. (1973) Reliability, validity, and clinical application of the Visual Analogue Mood Scale. Psychological Medicine, 3, 479 486.
22. Luria, R. (1973) Validity and reliability of the Visual Analogue Mood Scale. Journal of Psychiatric Research, 12, 51 57.
23. Monk T. H. (1989) Visual analogue scale technique to measure global vigor and affect. Psychiatry Research, 27, 89 99. (Pubitemid 19042430)
24. Keller, E. F. (2005) Revisiting 'scale-free' networks. BioEssays, 27, 1060 1068.
25. (2009) SPSS output for Linear Regression. Statistica website (updated 2009). http://www.statistica.com.au/regression.html#questions (accessed 28 April 2009)
26. Toroczkai, Z. (2005) Complex networks. Los Alamos Science, 29, 94 109.
27. Katerndahl, D. A., Ferrer, R., Best, R. Wang, C. P. (2007) Dynamic patterns in mood among newly-diagnosed patients with major depressive episode, panic disorder, and normal controls. Primary Care Companion to the Journal of Clinical Psychiatry, 9 (3 183 187. (Pubitemid 46878736)
28. Ridley, D. R. Gonzales, E. A. (1994) Zipf's law extended to small samples of adult speech. Perceptual and Motor Skills, 79, 153 154.
29. Rankin, E. D. Marsh, J. C. (1985) Effects of missing data on the statistical analysis of clinical time series. Social Work Research & Abstracts, 21 (2 13 16.