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Table 3 Floor and ceiling effects for the CHU9D among school children in grades 1–9 and stratified by school stages

From: Feasibility, reliability and validity of the health-related quality of life instrument Child Health Utility 9D (CHU9D) among school-aged children and adolescents in Sweden

  All
(n = 473)
School stages
Grades 1–3
(n = 168)
Grades 4–6
(n = 146)
Grades 7–9
(n = 159)
Dimensions Floor1
(%)
Ceiling2
(%)
Floor1
(%)
Ceiling2
(%)
Floor1
(%)
Ceiling2
(%)
Floor1
(%)
Ceiling2
(%)
Total score 0 8.5 0 11.9 0 8.2 0 5.0
 Worried 0.8 73.4 0 83.3 1.4 77.4 1.3 59.1
 Sad 1.3 76.5 0 84.5 2.0 75.3 1.9 69.2
 Pain 1.7 58.8 1.2 64.9 3.4 53.4 0.6 57.2
 Tired 9.3 21.1 7.1 28.0 4.8 23.3 15.7 11.9
 Annoyed 0.6 67.6 0 80.9 0.7 69.9 1.3 51.6
 Schoolwork 0.2 58.3 0.6 74.4 0 67.8 0 32.7
 Sleep 1.7 55.8 2.4 59.5 1.4 58.9 1.3 49.1
 Daily routine 0.4 73.4 1.2 76.8 0 71.9 0 71.1
 Activities 1.3 62.6 1.2 67.9 2.0 67.8 0.6 52.2
  1. 1Share of respondents (%) reporting the worst possible health state (highest level of severity)
  2. 2Share of respondents (%) reporting no problems