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Table 2 Descriptive item statistics

From: Psychometric properties and validation of the English version Giessen Subjective Complaints List (GBB-8)

  M SD Skewness Kurtosis rsubscale rit
Being easily exhaustedEx 1.73 1.36 0.06 1.71 .66 .80
TirednessEx 2.06 1.25 − 0.19 2.01 .66 .74
Feeling bloated or distendedGast 1.71 1.36 0.10 1.76 .75 .81
StomachacheGast 1.85 1.38 0 1.72 .75 .81
Backache Musc 1.98 1.30 − 0.12 1.90 .68 .73
Neck or shoulder painMusc 1.95 1.31 − 0.09 1.88 .68 .73
Palpitations or heart poundingCard 1.53 1.28 0.21 1.83 .68 .76
DizzinessCard 1.7 1.34 0.09 1.74 .68 .79
  1. M, mean; SD, standard deviation; rsubscale, subscale-specific correlations; rit, item-total correlations. Subscales: Ex, exhaustion; Gast, gastrointestinal; Musc, musculoskeletal; Card, cardiovascular