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Table 3 Adjusted R-square (in bold) and standardized regression coefficients (betas) for models predicting costs at 6, 12, and 24 months

From: Health-related quality of life as a predictor of pediatric healthcare costs: A two-year prospective cohort analysis

  Follow up
  6 Months (N = 318) 12 Months (N = 315) 24 Months (N = 245)
Model 1 Adjusted R-square 0.010 0.001 0.004
   Beta    
Age -0.067 -0.037 -0.030
Gender .11 0.063 0.108
Model 2 Adjusted R-square 0.049** 0.066*** 0.130***
   Beta    
Age -0.063 -0.031 0.008
Gender 0.118* 0.076 0.115
Chronic Health Condition 0.180** 0.265*** 0.360***
Model 3 Adjusted R-square 0.089*** 0.103*** 0.122***
   Beta    
Age -0.103 -0.091 -0.079
Gender 0.080 0.030 0.076
PedsQL Physical Functioning 0.291*** 0.353*** 0.379***
PedsQL Psychosocial Functioning 0.004 0.057 0.081
Model 4 Adjusted R-square 0.101*** 0.144*** 0.212***
   Beta    
Age 0.098 -0.083 -0.043
Gender 0.086 0.040 0.080
Chronic Health Condition 0.126+ 0.214*** 0.312***
PedsQL Physical Functioning 0.275*** 0.326*** 0.340***
PedsQL Psychosocial Functioning 0.025 0.093 0.123+
  1. + = p < 0.05; * = p < 0.01; *** = p < 0.001; *** = p < 0.0001; R2 = percent variance accounted for.