Table 2

I-CVIs and S-CVIs for three assessment loops of the validation process

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  • Item Content Validity Index (I-CVI) defined as the proportion of expert ratings higher than two. Cut-off for acceptable I-CVI was 0.78. Scale Content Validity Index, Average (S-CVI/Ave) defined as mean I-CVI.

  • *Discarded after the first stage.

  • †Split into four questions after the first stage.

  • ‡Replaced by two standard Alcohol Use Disorders Identification Test (AUDIT) questions after the second stage.

  • §Merged into endurance exercise question.

  • ¶Converted into a set of demand–control–support questions after the first stage and split into three separate questions (demand, control and support) after the second stage.39

  • () Control question.