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Table 6 Age differences in the PedsQL 4.0 domains and total scale in adolescents (n = 326)

From: Health-related quality of life in Iranian adolescents: a psychometric evaluation of the self-report form of the PedsQL 4.0 and an investigation of gender and age differences

 

Age

χ2(5)

Pairwise comparisons

12 (n = 63)

13 (n = 51)

14 (n = 48)

15 (n = 53)

16 (n = 62)

17 (n = 49)

Mean rank

Mean rank

Mean rank

Mean rank

Mean rank

Mean rank

Physical functioning

195.24

178.47

177.42

145.58

141.37

140.87

18.53**

12 > 16, 17**

Emotional functioning

203.06

179.83

179.40

148.42

143.02

122.29

28.83**

13, 14 > 17*; 12 > 16, 17**; 12 > 15*

Social functioning

191.87

163.44

181.16

159.70

144.77

137.60

16.45**

12 > 16, 17*

School functioning

208.86

172.41

174.26

143.02

151.73

122.41

29.57**

12 > 15, 16, 17**

Psychosocial health

209.59

178.20

180.43

148.30

140.86

117.45

34.86**

13, 14 > 17*; 12 > 16, 17**

Total score

208.98

180.94

180.75

147.11

137.78

120.24

34.71**

13, 14 > 17*; 12 > 15, 16, 17**

  1. PedsQL 4.0 = Pediatric quality of life inventory version 4.0
  2. *p < 0.05, **p < 0.01