|
Factor loadings for final confirmatory 4-factor model for symptoms reported in the US Study of Gulf War veterans (N = 1,163) |
||||
| Current health problem |
Factor 1 |
Factor 2 |
Factor 3 |
Factor 4 |
|
|
||||
| Gastrointestinal/ Respiratory |
Allergies |
Mood-Cognition |
Musculoskeletal |
|
|
|
||||
| Nausea or vomiting |
.80 |
.00 |
.00 |
.00 |
| Diarrhea (3 or more loose bowel movements in 24 hours) |
.73 |
.06 |
-.04 |
.02 |
| Gas, bloating, cramps or abdominal pain |
.71 |
-.01 |
.06 |
.02 |
| Skin rashes or sores |
.56 |
-.10 |
-.05 |
.20 |
| Sore throat |
.54 |
.36 |
-.17 |
.14 |
| Fever |
.53 |
.18 |
.06 |
.17 |
| Swollen lymph nodes in your neck, armpit, groin |
.52 |
.23 |
-.14 |
.08 |
| Night sweats that soak your bed sheets |
.52 |
-.07 |
.10 |
.16 |
| Wheezing |
.52 |
. 22 |
-.10 |
.18 |
| Cough |
.47 |
.36 |
-.16 |
.13 |
| Chest pain |
.44 |
.16 |
.13 |
.12 |
| Sinus congestion |
.00 |
.90 |
.00 |
.00 |
| Hay fever or other allergies |
-.04 |
.60 |
.05 |
-.09 |
| Difficulty remembering or concentrating |
.00 |
.00 |
.87 |
.00 |
| Depression |
-.07 |
.17 |
.77 |
-.08 |
| Trouble finding words |
. 04 |
.05 |
.75 |
-.11 |
| Irritability or moodiness |
-.11 |
.28 |
.74 |
.00 |
| Anxiety |
-.05 |
.29 |
.73 |
-.12 |
| Episodes of disorientation |
.25 |
-.01 |
.66 |
-.03 |
| Fatigue lasting 24 hours after exertion |
.15 |
.05 |
.48 |
.28 |
| Fatigue |
.15 |
.13 |
.48 |
.24 |
| Decreased sexual interest |
.15 |
.00 |
.45 |
.07 |
| Dizziness |
.36 |
.04 |
.40 |
.01 |
| Joint pain |
.00 |
.00 |
.00 |
.96 |
| Joint stiffness |
.06 |
.01 |
.08 |
.80 |
| Muscle pain |
.07 |
.03 |
.15 |
.65 |
|
Goodness-of-fit measures: CFI = .970; TLI = .988; RMSEA = .029; SRMR = .043 Inter-factor correlations: Factor1, Factor2 = .474; Factor1, Factor3 = .670; Factor1, Factor4 = .525; Factor2, Factor3 = .388; Factor2, Factor4 = .488; Factor3, Factor4 = .511 | ||||
Nisenbaum et al. Population Health Metrics 2004 2:8 doi:10.1186/1478-7954-2-8 |
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