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Table 4 Multivariate regression models of IBHQ core scores at discharge

From: Impact on parents of bronchiolitis hospitalization of full-term, preterm and congenital heart disease infants

  IBHQ core score - Discharge
  Worries and distress Fear for future Guilt Impact on daily organization Physical impact Impact on behavior with hospitalized infant Financial impact
  (R 2 = 0.137) (R 2 = 0.122) (R 2 = 0.094) (R 2 = 0.122) (R 2 = 0.056) (R 2 = 0.014) (R 2 = 0.182)
Intercept 59.8 77.1 42.6 38.3 48.4 44.4 −1.1
Level of education of parent (years) Ref: Other ≤ 5 −24.7 −11.8 −33.3 24.6    
6-9 −2.9 −5.4 −28.0 −15.9
10-12 −5.8 −8.4 −9.0 −4.0
13-15 −15.5 −16.2 −19.8 4.2
≥ 16 −18.4 −22.3 −22.2 10.3
P-value < 0.001 0.004 < 0.001 < 0.001
Duration of hospitalization (days) 1.5 1.2   0.9    0.9
P-value < 0.001 0.006   0.015    0.007
Infusion or parenteral nutrition during hospitalization   6.7      
P-value 0.048
Requirement of supplemental oxygen at 28 days    −12.9     −19.0
P-value 0.041 0.001
Non-invasive ventilation during hospitalization     −12.7    
P-value 0.009
Corticosteroids or bronchodilator aerosols planned after hospitalization     −6.9    
P-value     0.027    
Sex of infant (male)      −5.3   
P-value      0.033   
Gestational age Ref: ≤ 32 wGA 33-37 wGA      8.4   
Full-term 12.0
P-value 0.004
Infant from multiple pregnancy       11.7  
P-value 0.041
Infant age at hospitalization (months)        0.5
P-value < 0.001
Respondent Ref: both parents Father        15.9
Mother −9.9
P-value < 0.001
  1. The table includes the parameter estimates for the variables retained in the multivariate regressions after the stepwise selection. For continuous variables, the parameter estimate corresponds to the change in the score for a change of 1 unity of the explanatory variable, all other things being equal; for categorical variables, it corresponds to the difference in score for the associate category compared to the reference category, all other things being equal.