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Table 2 Comparison of Means of Child and Parent Reports

From: Determinants of agreement between self-reported and parent-assessed quality of life for children in Germany-results of the German Health Interview and Examination Survey for Children and Adolescents (KiGGS)

   Children Parents Correlation Difference abs. Difference
  N Mean 95%CI Mean 95%CI Pearson ICC MW Effect size MW SD
All            
   Total 6,388 72.6 (72.4-72.9) 74.3 (74.0-74.6) 0.49 0.49 -1.6 0.16 8.2 6.5
   Physical 6,277 70.7 (70.2-71.2) 74.1 (73.5-74.6) 0.46 0.45 -3.4 0.20 13.8 11.4
   Psychological 6,318 81.1 (80.7-81.5) 79.3 (78.9-79.7) 0.32 0.32 1.9 0.14 11.5 10.2
   Self-Esteem 6,332 58.4 (57.9-58.8) 67.4 (66.9-67.8) 0.27 0.23 -9.0 0.54 17.3 14.1
   Family 6,302 81.9 (81.5-82.3) 76.4 (76.0-76.8) 0.47 0.44 5.5 0.36 12.9 10.6
   Friends 6,386 77.5 (77.0-77.9) 77.2 (76.8-77.6) 0.41 0.41 0.3 0.02 11.9 10.2
   School 6,182 66.7 (66.1-67.3) 71.4 (70.9-72.0) 0.47 0.45 -4.7 0.29 13.5 11.3
Girls            
   Total 3,141 71.3 (70.8-71.7) 73.9 (73.5-74.3) 0.51 0.49 -2.6 0.25 8.4 6.7
   Physical 3,089 67.1 (66.3-67.9) 71.6 (70.9-72.4) 0.48 0.46 -4.5 0.27 14.3 11.6
   Psychological 3,112 80.3 (79.7-80.9) 79.0 (78.4-79.6) 0.34 0.34 1.3 0.10 11.7 10.3
   Self-Esteem 3,119 56.1 (55.4-56.8) 67.2 (66.6-67.8) 0.30 0.30 -11.1 0.66 17.7 14.5
   Family 3,108 81.4 (80.8-82.0) 76.5 (75.9-77.2) 0.48 0.45 4.9 0.31 12.9 10.6
   Friends 3,139 76.6 (76.1-77.2) 76.7 (76.2-77.2) 0.43 0.43 -0.1 0.00 11.8 10.0
   School 3,059 66.3 (65.6-67.1) 72.4 (71.6-73.1) 0.50 0.50 -6.0 0.36 13.6 11.3
Boys            
   Total 3,247 74.0 (73.6-74.4) 74.7 (74.3-75.1) 0.48 0.48 -0.7 0.07 8.0 6.3
   Physical 3,188 74.2 (73.6-74.7) 76.5 (75.8-77.2) 0.41 0.40 -2.3 0.15 13.3 11.2
   Psychological 3,206 81.9 (81.4-82.4) 79.5 (79.0-80.0) 0.29 0.29 2.4 0.19 11.3 10.1
   Self-Esteem 3,213 60.6 (59.9-61.3) 67.5 (66.9-68.1) 0.25 0.23 -6.9 0.41 16.9 13.6
   Family 3,194 82.4 (81.9-83.0) 76.3 (75.7-76.9) 0.47 0.43 6.2 0.41 12.9 10.6
   Friends 3,247 78.3 (77.7-78.9) 77.7 (77.2-78.2) 0.40 0.40 0.6 0.04 12.0 10.3
   School 3,123 67.0 (66.3-67.8) 70.5 (69.9-71.2) 0.44 0.43 -3.5 0.21 13.5 11.3
11 to 13 years            
   Total 2,901 74.6 (74.1-75.1) 75.2 (74.7-75.6) 0.43 0.43 -0.6 0.06 8.2 6.4
   Physical 2,864 74.2 (73.5-74.8) 75.4 (74.6-76.2) 0.43 0.42 -1.2 0.08 13.2 11.0
   Psychological 2,870 82.8 (82.3-83.3) 79.4 (78.8-80.0) 0.26 0.25 3.4 0.28 11.5 10.0
   Self-Esteem 2,883 56.2 (55.3-57.0) 67.6 (66.9-68.2) 0.21 0.17 -11.4 0.69 18.9 14.5
   Family 2,869 83.9 (83.3-84.5) 76.5 (75.8-77.1) 0.39 0.34 7.4 0.53 13.4 10.8
   Friends 2,901 80.3 (79.6-81.0) 76.9 (76.3-77.5) 0.38 0.37 3.4 0.24 12.1 10.5
   School 2,810 70.9 (70.0-71.8) 75.1 (74.4-75.9) 0.41 0.40 -4.2 0.27 13.2 11.3
14 to 17 years            
   Total 3,417 71.4 (71.0-71.7) 73.7 (73.3-74.1) 0.52 0.51 -2.4 0.22 8.3 6.6
   Physical 3,413 68.4 (67.7-69.0) 73.2 (72.5-73.9) 0.48 0.46 -4.9 0.28 14.2 11.6
   Psychological 3,448 80.0 (79.5-80.5) 79.2 (78.7-79.7) 0.35 0.35 0.8 0.06 11.5 10.3
   Self-Esteem 3,449 59.9 (59.3-60.4) 67.2 (66.7-67.8) 0.32 0.28 -7.4 0.44 16.2 13.6
   Family 3,443 80.6 (80.0-81.2) 76.4 (75.8-76.9) 0.52 0.50 4.2 0.26 12.6 10.5
   Friends 3,485 75.6 (75.1-76.2) 77.4 (76.9-77.9) 0.45 0.44 -1.8 0.13 11.7 9.9
   School 3,372 63.9 (63.2-64.6) 69.0 (68.3-69.6) 0.47 0.44 5.1 0.31 13.7 11.3
  1. ICC: Intraclass Correlation coefficient
  2. Directional difference: child score-parent score
  3. Absolute difference: |child score-parent score|
  4. Effect size: |Mean directional difference|/[(SDchild - SDparent)/2]
  5. CI: confidence interval