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Table 3 Intraclass Correlation Coefficients (ICCs) for all subscales

From: Developing and testing a measure of consultation-based reassurance for people with low back pain in primary care: a cross-sectional study

  ICC Sample 1 ICC Sample 2
Data gathering
 Item 2 0.85, n = 75 (74,74) 0.82, n = 68 (67,67)
 Item 4 0.83, n = 74 (73,73) 0.70, n = 67 (66,66)
 Item 7 0.77, n = 74 (73,73) 0.75, n = 68 (67,67)
 Whole subscale 0.90, n = 76 (75,75) 0.81, n = 68 (67,67)
Relationship building (Subscale 1)
 Item 7 0.87, n = 155 (154,154)
 Item 19 0.84, n = 155 (154,154)
 Item 21 0.88, n = 154 (153,153)
 Whole subscale 0.93, n = 153 (152,152)
Relationship-building (Subscale 2)
 Item 4 0.78, n = 156 (155,155)
 Item 6 0.80, n = 156 (155,155)
 Item 15 0.86, n = 156 (155,155)
 Whole subscale 0.88, n = 156 (155,155)
Generic reassurance
 Item 9 0.87, n = 71 (70,70) 0.82, n = 68 (67,67)
 Item 18 0.90, n = 68 (67,67) 0.83, n = 66 (65,65)
 Item 20 0.89, n = 73 (72,72) 0.77, n = 68 (67,67)
 Whole subscale 0.91, n = 73 (72,72) 0.87, n = 68 (67,67)
Cognitive reassurance
 Item 1 0.82, n = 72 (71,71) 0.82, n = 65 (64,64)
 Item 12 0.82, n = 71 (70,70) 0.79, n = 65 (64,64)
 Item 23 0.85, n = 72 (71,71) 0.79, n = 66 (65,65)
 Whole subscale 0.82, n = 73 (72,72) 0.88, n = 66 (65,65)