From: Factor analysis of the clustering of common somatic symptoms: a preliminary study
 | Factor | |||
---|---|---|---|---|
 | 1 Pain Symptoms | 2 Cold Symptoms | 3 Cardiopulmonary Symptoms | 4 Gastrointestinal Symptoms |
Dizziness | 0.28 | 0.51 | 0.25 | 0.24 |
Neck pain or stiffness | 0.61 | 0.08 | 0.28 | 0.23 |
Chest pain | 0.28 | 0.13 | 0.79 | 0.13 |
Sensation of dyspnea or asphyxia | 0.22 | 0.20 | 0.76 | 0.08 |
Palpitation | 0.24 | 0.37 | 0.59 | 0.27 |
Poor appetite | 0.18 | 0.29 | 0.11 | 0.65 |
Stomach ache or abdominal discomfort | 0.14 | 0.20 | 0.26 | 0.69 |
Constipation or diarrhea | 0.22 | 0.05 | 0.03 | 0.77 |
Low back pain | 0.69 | 0.06 | 0.24 | 0.24 |
Sensation of anesthesia | 0.74 | 0.21 | 0.08 | 0.10 |
Sensation of heavy limbs | 0.61 | 0.46 | 0.11 | 0.11 |
Joint pain | 0.72 | 0.23 | 0.12 | 0.06 |
Muscle weakness | 0.55 | 0.45 | 0.16 | 0.15 |
Cold sweating | 0.12 | 0.71 | 0.07 | 0.07 |
Feeling too warm or cold | 0.12 | 0.77 | 0.12 | 0.18 |
Shuddering | 0.13 | 0.61 | 0.18 | 0.11 |
Muscle pain | 0.75 | 0.03 | 0.23 | 0.21 |
% Variance explained | 20.9 | 15.2 | 11.8 | 11.2 |
Cumulative variance | 20.9 | 36.1 | 47.9 | 59.1 |