Dichotomous factor analysis of symptoms reported by UK and US veterans of the 1991 Gulf War

Population Health Metrics

Volumn 2, Issue , 2004, Pages

  Nisenbaum, Rosane ^a   Ismail, Khalida ^b   Wessely, Simon ^b   Unwin, Catherine ^b   Hull, Lisa ^b   Reeves, William C ^a  

^a CENTERS FOR DISEASE CONTROL AND PREVENTION   (United States)

^b KING'S COLLEGE LONDON   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; AIR FORCE; ARTICLE; COGNITIVE DEFECT; CORRELATION ANALYSIS; FACTORIAL ANALYSIS; FEMALE; GASTROINTESTINAL DISEASE; HEALTH SURVEY; HUMAN; MAJOR CLINICAL STUDY; MALE; MOOD DISORDER; MUSCULOSKELETAL DISEASE; NEUROLOGIC DISEASE; PERIPHERAL NERVOUS SYSTEM; PERSIAN GULF SYNDROME; RESPIRATORY TRACT DISEASE; SOLDIER; SYMPTOMATOLOGY; UNITED KINGDOM; UNITED STATES; UROGENITAL TRACT DISEASE;

EID: 18144428395     PISSN: 14787954     EISSN: None     Source Type: Journal    
DOI: 10.1186/1478-7954-2-8     Document Type: Article

References (28)

1. Cotton P: Gulf War symptoms remain puzzling. JAMA 1992, 268:2619.
2. Ismail K: A review of the evidence for a "Gulf War Syndrome". Occup Environ Med 2001, 58(11):754-760.
3. Young HA, Simmens SJ, Kang HK, Mahan CM, Levine PH: Factor analysis of fatiguing syndrome in Gulf War era veterans: implications for etiology and pathogenesis. J Occup Environ Med 2003, 45(12): 1268-73.
4. Hallman WK, Kipen HM, Diefenbach M, Boyd K, Kang H, Leventhal H, Wartenberg D: Symptom patterns among Gulf War registry veterans. American J Public Health 2003, 93:624-630.
5. Shapiro SE, Lasarev MR, McCauley L: Factor analysis of Gulf War illness: what does it add to our understanding of possible health effects of deployment? Am J Epidemiol 2002, 156: 578-585.
6. Kang HK, Mahan CM, Lee KY, Murphy FM, Simmens SJ, Young HA, Levine PH: Evidence for a deployment-related Gulf War syndrome by factor analysis. Arch Environ Health 2002, 57:61-68.
7. Bourdette DN, McCauley LA, Barkhuizen A, Johnston W, Wynn M, Joos SK, Storzbach D, Shuell T, Sticker D: Symptom factor analysis, clinical findings, and functional status in a population-based case control study of Gulf War unexplained illness. Journal of Occup Environ Med 2001, 43:1026-1040.
8. Cherry N, Creed F, Silman A, Dunn G, Baxter D, Smedley J, Taylor S, Macfarlane GJ: Health and exposures of United Kingdom Gulf war veterans. Part 1: the pattern and extent of ill health. Occup Environ Med 2001, 58:291-298.
9. Doebbeling BN, Clarke WR, Watson D, Torner JC, Woolson RF, Voelker MD, Barrett DH, Schwartz DA: Is there a Persian Gulf War syndrome? Evidence from a large population-based survey of veterans and nondeployed controls. Am J Med 2000, 108:695-704.
10. Knoke JD, Smith TC, Gray GC, Kaiser KS, Hawksworth AW: Factor analysis of self-reported symptoms: does it identify a Gulf War syndrome? Am J Med 2000, 152:379-388.
11. Ismail K, Everitt B, Blatchley N, Hull L, Unwin C, David A, Wessely S: Is there a Gulf War syndrome? Lancet 1999, 353: 179-182.
12. Fukuda K, Nisenbaum R, Stewart G, Thompson WW, Robin L, Washko RM, Noah DL, Barrett DH, Randall B, Herwald BL, Mawle AC, Reeves WC: A chronic multisymptom illness affecting Air Force veterans of the Persian Gulf War. JAMA 1998, 280:981-988.
13. Haley RW, Kurt TL, Hom J: Is there a Gulf War syndrome? Searching for syndromes by factor analysis of symptoms. JAMA 1997, 277:215-222.
14. Floyd FJ, Widaman KF: Factor analysis in the development and refinement of clinical assessment instruments. Psychol Assess 1995, 7:286-299.
15. Muthen BO: Dichotomous factor analysis of symptom data. Soc Methods Res 1989, 18:19-65.
16. Waller NG, Tellegen A, McDonald RP, Lykken DT: Exploring nonlinear models in personality assessment: development and preliminary validation of a negative emotionality scale. J Pers 1996, 64: 545-576.
17. Everitt B, Ismail K, David AS, Wessely S: Searching for a Gulf War syndrome using cluster analysis. Psychol Med 2002, 32:1371-1378.
18. Unwin C, Blatchley N, Coker W, Ferry S, Hotopf M, Hull L, Ismail K, Palmer I, David A, Wessely S: Health of UK servicemen who served in Persian Gulf War. Lancet 1999, 353:169-178.
19. Ismail K, Blatchley N, Hotopf M, Hull L, Palmer I, Unwin C, David A, Wessely S: Occupational risk factors for ill health in UK Gulf war veterans. Journal Epidemiol Community Health 2000, 54:834-838.
20. Muthen LK, Muthen BO: Mplus: Statistical analysis with latent variables. User's guide Los Angeles: Muthen & Muthen; 2001.
21. Browne MW, Cudeck R: Alternative ways of assessing model fit. In Testing Structural Equation Models Edited by: Bollen L, Long JS. Newbury Park: Sage Publications; 1993:136-162.
22. Hu LT, Bentler PM: Cutoff criteria for fit indices in covariance structure analysis: conventional criteria versus new alternatives. Structural Equation Modeling 1999, 6:1-55.
23. Attanasio V, Andrasik F, Blanchard EB, Arena JG: Psychometric properties of the SUNYA revision of the Psychosomatic Symptom Checklist. J Behav Med 1984, 7:247-257.
24. Harman HH: Modern Factor Analysis Chicago: University of Chicago Press; 1967.
25. Wherry RJ: Contributions to Correlational Analysis New York: Academic Press; 1984.
26. Shen BJ, Todaro JF, Niaura R, McCaffery JM, Zhang J, Spiro A, Ward KD: Are metabolic risk factors one unified syndrome? Modeling the structure of the metabolic syndrome X. Am J Epidemiol 2003, 157:701-711.
27. Hyams KC, Wignall FS, Roswell R: War syndromes and their evaluation: from the US Civil War to the Persian Gulf War. Ann Intern Med 1996, 125:398-405.
28. Jones E, Hodgins-Vermaas R, McCartney H, Everitt B, Beech C, Poynter D, Palmer I, Hyams K, Wessely P: Post-combat syndromes from the Boer War to the Gulf War: A cluster analysis of their nature and attribution. BMJ 2002, 324:321-324.