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. Author manuscript; available in PMC: 2010 Apr 12.
Published in final edited form as: J Nerv Ment Dis. 2009 Apr;197(4):215–224. doi: 10.1097/NMD.0b013e31819d954f

Table 3.

Classes and Rates of Symptom Endorsement

Class 1 Class 2 Class 3 Class 4 Class 5 Class 6 Class 7
Study
Sample
Low Distress Mild
Psychological
Depression
Mild Somatic
Anxiety
Psychological
Anxious-
Depression
Anxious -
Misery
Somatic
Depressed-
Anxiety
Restless
Somatic
Depression
Percent of Sample 100% 11% 11% 19% 22% 6% 15% 16%
N 1009 108 113 191 222 60 152 162

Depressed mood 96.17% 86.90% 99.70% 92.70% 98.10% 88.30% 98.90% 99.50%
Lack of Interest 47.38% 0.00% 35.20% 9.00% 50.30% 97.10% 68.80% 88.20%
Decreased Appetite/Weight 43.10% 0.00% 32.10% 13.60% 54.20% 20.10% 86.80% 63.20%
Increased Appetite/Weight 19.86% 0.00% 9.00% 9.30% 18.10% 43.80% 4.50% 56.60%
Decreased Sleep (D) 67.87% 6.20% 45.20% 54.70% 89.10% 31.50% 97.20% 98.40%
Increased Sleep 18.45% 1.70% 17.50% 0.80% 18.20% 51.60% 14.90% 33.90%
Psychomotor Retardation 22.57% 0.00% 0.30% 4.10% 21.60% 11.90% 23.80% 80.40%
Psychomotor Agitation 20.24% 0.00% 3.10% 3.90% 27.70% 7.80% 32.40% 48.20%
Lack of Energy 78.04% 22.80% 71.40% 67.40% 88.80% 93.10% 92.30% 100.00%
Feelings of Worthlessness 70.19% 11.70% 85.80% 62.30% 68.70% 93.80% 81.90% 91.60%
Decreased Concentration (D) 63.21% 3.70% 50.00% 32.60% 76.70% 79.00% 91.50% 98.10%
Thoughts of Death 50.95% 6.50% 39.00% 24.80% 55.00% 85.10% 75.30% 74.60%
Feeling Restless 91.31% 55.10% 62.40% 98.20% 98.70% 100.00% 99.80% 100.00%
Feeling Fatigued (A) 66.31% 24.60% 25.80% 65.20% 67.70% 96.40% 78.20% 96.90%
Decreased Concentration (A) 88.11% 72.80% 59.10% 85.90% 91.50% 96.40% 99.60% 100.00%
Feeling Irritable 71.12% 35.60% 57.90% 71.30% 70.50% 89.80% 82.30% 88.20%
Muscle Tension 47.27% 18.50% 3.60% 52.80% 39.20% 43.30% 72.20% 72.90%
Decreased Sleep (A) 76.73% 38.40% 40.40% 76.00% 92.40% 42.70% 94.80% 97.20%
Feeling Dizzy 40.70% 6.60% 3.00% 50.30% 17.00% 51.40% 82.60% 62.80%
Excessive Sweating 42.96% 6.00% 3.40% 59.80% 12.50% 59.40% 88.70% 65.70%
Stomach Problems 55.11% 15.00% 19.90% 60.50% 41.70% 69.20% 95.90% 79.50%
Dry Mouth 40.41% 11.90% 2.10% 58.50% 10.70% 68.50% 98.80% 43.50%
Racing Heart 69.23% 32.70% 19.60% 85.80% 62.90% 75.10% 95.90% 89.90%