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Table 2 Factor loadings for the four extracted somatic complaints profiles from 31 somatic complaints

From: The relationship between dietary inflammatory index and psychosomatic complaints profiles: results from SEPAHAN cross-sectional study

Somatic complaints Factor loadings a
Psychological Gastrointestinal Neuro-skeletal Pharyngeal-respiratory
Sleep disorder 0.420 0.148 0.325 0.154
Pounding heart 0.577 0.129 0.300 0.236
Feeling low on energy 0.565 0.163 0.416 0.014
Feeling like ′butterflies′ in the stomach 0.869 0.242 0.110 0.167
Difficulty concentrating 0.869 0.242 0.110 0.167
Disturbing thoughts 0.664 0.144 0.261 0.036
Dry mouth 0.103 0.248 0.236 0.220
Chest pain 0.339 0.454 0.087 0.233
Feeling of fullness 0.259 0.662 0.139 0.132
Nausea 0.283 0.509 0.047 0.262
Gastroesophageal reflux 0.153 0.544 0.012 0.318
Pain or discomfort in the abdomen 0.239 0.678 0.206 0.139
Constipation 0.070 0.512 0.255 −0.037
Diarrhea −0.061 0.374 0.235 0.124
Bloating or swelling of the abdomen 0.210 0.644 0.288 0.022
Anal pain 0.122 0.473 0.239 0.183
Headache 0.246 0.239 0.547 0.134
Back pain 0.139 0.168 0.661 0.148
Pain in joints 0.230 0.170 0.612 0.160
Eyesore 0.207 0.075 0.461 0.301
Severe fatigue 0.361 0.185 0.646 0.081
Dizziness and confusion 0.343 0.245 0.513 0.254
Chills and extreme cold 0.158 0.175 0.435 0.346
Hot flashes 0.274 0.279 0.350 0.146
Menstrual disorder −0.038 0.323 0.389 −0.021
Neck pain 0.105 0.154 0.322 0.570
Globus sensation 0.165 0.372 0.015 0.510
Having trouble swallowing 0.090 0.240 −0.021 0.596
Shortness of breath 0.391 0.124 0.311 0.492
Hoarseness 0.015 0.092 0.225 0.612
Wheezing (asthma) 0.104 0.000 0.124 0.567
Variance explained (%) 12.70 11.73 11.55 8.85
Cumulative variance 12.70 24.43 35.99 44.84
  1. aThe highest factor loadings have been highlighted, and the interpretation of factors was done based on them