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Table 6 Prediction of HRQL outcome by means of six CHQ-PF28 scales. Stepwise multiple linear regression analyses by means of the CHQ-PF28 scales PhS, PsS, PE, PT, FA and FC1.

From: Health-related quality of life in food hypersensitive schoolchildren and their families: parents' perceptions

  B Coeff. (95% CI) t p-value R Square Adj. R Square
Dependent variable: Child Physical Summary (PhS)       
Independent variables:       
Number of allergic diseases (0–3) -3.262 (-5.480 – -1.044) -2.910 0.004   
Number of additional allergies/hypersensitivities (0–8) -2.327 (-3.692 – -0.962) -3.373 0.001   
Male gender (0 = no, 1 = yes) -4.633 (-8.054 – -1.212) -2.680 0.008   
Model summary      0.324 0.308
Dependent variable: Child Psychosocial Summary (PsS)       
Independent variable:       
Food-induced breathing difficulties2 (0 = no, 1 = yes) 4.501 (1.297 – 7.705) 2.779 0.006   
Sibling(s) with food hypersensitivity (0 = no, 1 = yes) -3.994 (-7.311 – -0.677) -2.382 0.019   
Model summary      0.106 0.093
Dependent variable: Parental impact – Emotional (PE)       
Independent variables:       
Number of allergic diseases (0–3) -6.957 (-10.264 – -3.651) -4.162 0.000   
Food-induced gastro-intestinal symptoms (0 = no, 1 = yes) -9.932 (-16.426 – -3.438) -3.026 0.003   
Model summary      0.156 0.143
Dependent variable: Parental impact – Time (PT)       
Independent variables:       
Number of allergic diseases (0–3) -5.852 (-8.657 – -3.046) -4.127 0.000   
Sibling(s) with food hypersensitivity (0 = no, 1 = yes) -8.488 (-14.321 – -2.656) -2.879 0.005   
Model summary      0.156 0.143
Dependent variable: Family impact – Activities (FA)       
Independent variables:       
Number of allergic diseases (0–3) -6.465 (-9.616 – -3.315) -4.060 0.000   
Additional family member(s) with food hypersensitivity (0 = no, 1 = yes) -6.653 (-12.934 – -0.371) -2.095 0.038   
Model summary      0.137 0.124
Dependent variable: Family impact – Cohesion (FC)       
Independent variable:       
Food-induced breathing difficulties2 (0 = no, 1 = yes) 11.363 (2.661 – 20.064) 2.583 0.011   
Model summary      0.048 0.041
  1. 1CHQ-PF28 health scales: PhS = Physical Summary score; PsS = Psychosocial Summary score; PE = Parental impact-Emotional; PT = Parental impact-Time; FA = Family impact-Activities; FC = Family impact-Cohesion [28].
  2. 2Positive beta coefficients, shown in italics, indicate higher score means, i.e. higher HRQL, when the allergy-associated parameter food-induced breathing difficulties was present.