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. 2018 Oct 4;54(1):59–67. doi: 10.1007/s00127-018-1602-2
Inter-item correlation coefficients (n = 423) 1 2 3 4 5
1 Item 1 1
2 Item 2—r 0.50*** 1
3 Item 3 0.58*** 0.60*** 1
4 Item 4—r 0.62*** 0.44*** 0.54*** 1
5 Item 5—r 0.63*** 0.50*** 0.58*** 0.73*** 1

r items were coded inverse

***p < 0.001