Table 2

Corrected item to total correlations for the Symptom Inventory Total Score and the Symptom Inventory Short-Form Score

Symptom
Corrected item to total correlations



Total score
Short-form score

Sore throat
.43

Tender nodes
.48

Diarrhea
.37

Unusual fatigue after exertion
.69
.64
Muscle aches
.70
.64
Joint pain
.54

Feverishness
.28

Chills
.52

Unrefreshing sleep
.77
.79
Sleeping problems
.65
.70
Headaches
.43

Memory problems
.62
.66
Concentration
.59
.67
Nausea
.40

Stomach pain
.32

Sinus problems
.51

Shortness of breath
.41

Sensitivity to light
.41

Depression
.52


Wagner et al. Population Health Metrics 2005 3:8   doi:10.1186/1478-7954-3-8