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Table 3 Factors associated with the VSP-A index in haemodialysis adolescents

From: Quality of life in adolescents with chronic kidney disease who initiate haemodialysis treatment

  Index VSP-A Univariate model Multivariate model*
Mean ± SD β [IC 95%] β [IC 95%]
1-Adolescents
 Gender
  Malea 61.8 ± 2.5   
  Female 60.8 ± 4.0 − 0.9 [−7.7; 7.5] − 1.4 [−8.3; 5.3]
Age   −0.6 [−2.7; 1.4] −3.5 [−5.2; − 1.9]
Primary diagnosis
 Congenitala 59.6 ± 2.4   
 Acquired 65.2 ± 4.3 5.6 [−2.8; 14.1]
Age at primary diagnosis   0.0 [−0.7; 0.8]
 11–17 yearsa 63.4 ± 4.7   
 6–10 years 62.5 ± 6.6 − 0.9 [−13.8; 12]  
 0–5 years 60.6 ± 5.5 −2.8 [− 13.6; 8.1]  
Age at CKD diagnosis   0.4 [−0.3; 1.2] 0.8 [0.2; 1.4]
 11–17 yearsa 66.9 ± 3.9   
 6–10 years 66.1 ± 5.1 −4.8 [−14.8; 5.1]  
 0–5 years 57.5 ± 5.1 −9.4 [−19.5; 0.7]  
Delay between primary diagnosis and HD   −0.2 [− 0.9; 0.6]  
Medical history
 Noa 61.9 ± 2.4   
 Renal transplantation and/or HD and/or PD 59.9 ± 4.7 −2.1 [−11.3; 7.1]
Growth failure
 Noa 62.8 ± 2.4   
 Yes 58.1 ± 4.5 −4.7 [−13.4; 4.0] −0.7 [−7.6; 6.2]
Anaemia
 Noa 63.1 ± 3.8   
 Yes 60.7 ± 4.5 −2.3 [−11.2; 6.5] −1.5 [−8.3; 5.3]
Number of comorbidities   −1 [−3.5; 1.4]
Number of treatments   0.4 [− 3.4; 4.0]
Active coping   1.3 [−0.3; 2.9] 2.9 [1.0; 4.7]
Avoidant coping   −0.0 [−1.6; 1.6] −1.1 [−2.5; 0.4]
Negative coping   −0.2 [−2.3; 1.9] − 1.4 [− 3.2; 0.4]
2-Environmental    
 Age of parents   −0.4 [− 0.9; 0.1]
  Family structure    
   Separated parentsa 60.1 ± 2.9   
   Not separated parents 62.3 ± 4.1 2.3 [−5.6; 10.3]
Siblings
Noa 70.2 ± 6.8   
Yes 60.2 ± 7.2 −9.9 [−24.2; 4.0]
Place of residence
 Rurala 64.3 ± 2.8   
 Urban 57.9 ± 4.0 −6.4 [−14.1; 1.6]
Time between home and HD   0.1 [−0.0; 0.1]
  < 20 mina 53.1 ± 5.1   
 20 to 60 min 60.7 ± 5.7 7.6 [−3.6; 19]  
  > 60 min 61.6 ± 6.1 8.5 [− 3.5; 20.6]  
Parental employment
 Noa 63.9 ± 4.0   
 Yes 60.3 ± 4.7 − 3.6 [− 12.8; 5.5]
Financial situation
 Difficultya 61.3 ± 2.9   
 Not difficulty 61.1 ± 4.1 −0.3 [−8.1; 7.8]
Adolescent’s schooling
 Noa 58.2 ± 4.9   
 Yes 54.7 ± 5.4 3.6 [−7.2; 14.3]
  1. β correlation coefficient, IC 95% 95% confidence interval, SD standard deviation, CKD chronic kidney disease, HD haemodialysis, PD peritoneal dialysis
  2. a= reference category *Multivariate model is done on 21 patients
  3. Bold values = statistically significant value