Table 4.

Backwards logistic regression analysis of the selected questions.

	Q15		Q17, Q18, Q19, Q22		Q27		Q28		Q30, Q31, Q32, Q34		Q42, Q45, Q46
	OR	P value	OR	P value	OR	P value	OR	P value	OR	P value	OR	P value
Islands versus	1.409	0.041*	0.546	0.016	0.958	0.644					1.062	0.562
other Greek regions
Fathers versus	0.347	<0.001*	2.232	<0.001*	1.119	0.139	1.798	<0.001*			1.257	0.005*
mothers
<31 or >45 years versus	1.278	0.109	0.994	0.469	0.864	0.071	0.834	0.224			0.848	0.063
31–45 years
Uninsured versus	3.119	0.089			0.724	0.573
insured
School graduates mothers versus	1.745	<0.001*	0.362	<0.001*	0.916	0.194	0.817	0.14			0.753	<0.001*
upper education of mothers
School graduates fathers versus	1.215	0.178	1.644	0.032*	0.876	0.049*	0.861	0.269			1.037	0.631
upper education of fathers
Income∧ high or moderate versus	0.516	<0.001*	1.441	0.118	1.074	0.409	1.131	0.414			1.07	0.474
low income
Immigrants	5.925	<0.001*	0.163	<0.001*	0.461	<0.001*	0.298	<0.001*	0.089	<0.001*	0.407	<0.001*
Nonimmigrants
Urban versus	0.82	0.116
rural
<2 ή >3 children versus	0.641	0.001*					1.232	0.119
2-3 children
Singles versus					1.333	0.025*	1.709	0.015*
couples
No experience of recurrent URIs versus	0.374	<0.001*			0.777	0.002*
experience of recurrent URIs
Typical pediatrician-parent relation versus	0.943	0.669
intimate pediatrician-parent relation
Unsatisfactory access to healthcare system versus	1.087	0.639	0.848	0.59	0.918	0.297	1.19	0.259			0.969	0.733
satisfactory access to healthcare system

Bold letters and *: variables with elevated level of significance after backward logistic regression analysis.

Income^∧: self-assessment as perceived by the parents at the time of the survey.