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Table 3 Cross-tabulation of QuIS ratings collapsed over all observation periods, and for the observation periods with lowest and highest unweighted κ

From: Inter-rater reliability of the QuIS as an assessment of the quality of staff-inpatient interactions

  Rater 2 Unweighted κ
+ s + c N - p - r Total
a) Collapsed table from all observation periods
Rater 1 + social 36 23 0 0 0 59 (17%) 0.55
+ care 22 164 10 4 1 201 (57%)
Neutral 3 13 47 2 5 70 (20%)
- protective 0 5 2 7 0 14 (4%)
- restrictive 3 1 0 0 6 10 (3%)
Total 64 (18%) 206 (58%) 59 (17%) 13 (4%) 12 (3%) 354 (100%)
b) Observation period with lowest unweighted κ
Rater 1 + social 2 4 0 0 0 6 0.30
+ care 1 9 2 0 1 13
Neutral 0 2 2 1 0 5
- protective 0 0 0 0 0 0
- restrictive 0 0 0 0 1 1
Total 3 15 4 1 2 25
c) Observation period with highest unweighted κ
Rater 1 + social 1 0 0 0 0 1 0.90
+ care 0 11 0 0 0 11
Neutral 0 0 6 0 0 6
- protective 0 0 1 0 0 1
- restrictive 0 0 0 0 0 0
Total 1 11 7 0 0 19