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Table 4 Mean raw scores on the ILC: Student and parent proxy report by sex and grade

From: Changes in quality of life among Norwegian school children: a six-month follow-up study

 

Girls

Boys

 

Mean

Standard deviation

Sample size

Mean

Standard deviation

Sample size

Grade

T1

T2

T1

T2

T1

T2

T1

T2

T1

T2

T1

T2

Student report

10th

74.5

76.3

15.2

15.8

260

260

80.8

81.1

13.4

14.0

240

240

8th

80.1

78.9

12.9

15.7

187

187

82.9

84.2

12.7

13.3

196

195

6th

81.6

82.4

14.7

13.6

231

231

80.7

82.9

15.5

14.6

212

215

4th

82.2

82.9

11.1

11.5

231

235

84.2

82.3

11.6

11.4

254

255

Total

79.4

80.1

14.0

14.5

909

913

82.2

82.5

13.4

13.3

902

905

Parent proxy report

10th

86.7

87.9

13.6

12.7

151

151

86.6

87.1

12.5

13.5

121

121

8th

88.1

87.5

9.6

11.3

141

142

84.4

86.3

12.6

11.6

130

129

6th

87.3

88.6

11.0

10.8

180

180

83.0

84.6

14.2

13.0

173

172

4th

88.9

90.0

9.8

9.0

214

213

87.0

88.4

10.9

10.5

223

223

Total

87.8

88.6

11.0

10.9

686

686

85.4

86.7

12.6

12.1

647

645

  1. T1 = at baseline
  2. T2 = at 6-month follow-up