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Table 4 Spearman’s rank order correlations between short-term and long-term changes in zBMI and changes in HRQoL for the entire sample (n = 74) and for girls (n = 50) and boys (n = 24) separately

From: Changes in self-reported and parent-reported health-related quality of life in overweight children and adolescents participating in an outpatient training: findings from a 12-month follow-up study

 

Short-term zBMI change

Long-term zBMI change

Short-term zBMI change

Long-term zBMI change

HRQoL changes:

self-report

proxy-report

self-report

proxy-report

self-report

proxy-report

self-report

proxy-report

total

total

total

total

♀

♂

♀

♂

♀

♂

♀

♂

total HRQoL

short-term

.008

-.024

-.143

-.080

-.088

.131

.001

-.031

-.255*

-.006

-.196

.187

long-term

.127

.189

-.006

-.056

.107

.189

.175

.187

-.170

.392*

-.191

.201

physical

short-term

-.218*

-.108

-.094

-.046

-.357**

.100

-.251*

.266

-.153

-.003

-.219

.395*

long-term

.003

.087

-.118

-.101

.010

.054

.043

.110

-.170

.054

-.277*

.358*

emotional

short-term

-.002

-.093

-.150

-.021

-.080

.197

-.059

-.157

-.309*

.172

-.059

.059

long-term

.112

.066

.038

-.151

.109

.124

.117

-.024

-.132

.467*

-.181

-.035

self-esteem

short-term

.009

-.002

-.226*

-.070

-.067

.236

-.044

.123

-.300*

-.078

-.166

.192

long-term

.162

.142

-.017

-.140

.222

.009

.066

.306

-.011

-.045

-.208

-.018

family

short-term

.021

.017

-.068

.002

-.003

.057

.006

.094

-.039

-.160

-.056

.146

long-term

.169

.119

.166

.024

.108

.321

.113

.154

.069

.368*

-.046

.168

friends

short-term

.179

-.140

.165

-.069

.155

.242

-.151

-.111

.047

.445*

-.156

.092

long-term

.254*

.187

.058

.013

.190

.408*

.183

.166

-.123

.485**

-.055

.212

school

short-term

-.098

.073

-.243*

-.016

-.176

.164

-.025

.329

-.383**

.039

-.116

.182

long-term

-.237*

.041

-.232*

-.117

-.237*

-.086

.167

-.041

-.380**

.124

-.115

.044

weight-specific HRQoL

short-term

-.176

-.218*

-.072

-.088

-.323

.218

-.234

-.232

-.281

.250

-.296*

.305

long-term

.164

-.010

-.363*

-.135

.137

.127

-.040

.080

-.377

-.261

-.360**

.290

weight complaints

short-term

.417*

.300**

.120

.142

.568*

.111

.322*

.275

.496*

-.322

.253*

-.062

long-term

.165

.061

.495**

.134

.406

-.191

.051

.096

.710**

.242

.311*

-.324

  1. * p < .05, ** p < .01, ** p < .001 (one-tailed); ♀: girls; ♂: boys;
  2. Short-term change = from pre- to post-treatment (pre minus post);
  3. Long-term change = from pre-treatment to follow-up 2 (follow-up 2 minus pre);
  4. Except for weight complaints, negative correlations imply that reductions in zBMI (negative change score) were associated with improvements in HRQoL (positive change score).
  5. In general, correlations with generic HRQoL change scores were very similar for raw scores and z-scores, so only results for z-scores are given.