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Table 3 Mean ± SD, number of items, observed and possible range, Cronbach's α, and correlations with hyperarousal and IES-R-total of the Social Support Inventory scales

From: The psychological burden of an initially unexplained illness: patients with sternocostoclavicular hyperostosis before and after delayed diagnosis

      Correlations with
Scale name Mean ± SD Number of items Range of scores a Cronbach's α hyperarousal IES-R-total
Emotional support 12.70 ± 2.43 5 5 - 15 .842 -.294 (.018b) -.250 (.039b)
Instrumental support 12.02 ± 2.60 5 5 - 15 .742 -.380 (.003b) -.265 (0.30b)
Social companionship 12.17 ± 2.85 5 5 - 15 .844 -.288 (.020b) -.206 (.074b)
Informative support 12.39 ± 2.54 5 5 - 15 .782 -.236 (.048b) -.166 (.123b)
SSI total 49.29 ± 9.10 20 20 - 60 .931 -.343 (.007b) -.253 (.037b)
  1. aThe ranges of the observed scores were equal to the ranges of the possible scores. b One-tailed probability.