Table 4

Multivariate regression models of IBHQ core scores at discharge
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
(R2= 0.137) (R2= 0.122) (R2= 0.094) (R2= 0.122) (R2= 0.056) (R2= 0.014) (R2= 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

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.

Lapillonne et al.

Lapillonne et al. BMC Pediatrics 2012 12:171   doi:10.1186/1471-2431-12-171

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