Table 4.

Univariate relationships between variables and IBDQ total scores

Variable	t	r	F	P-value
Demographic factors
Gender	0.554			0.580
Age		−0.087		0.201
Educational level			0.113	0.893
Marital status	0.854			0.394
Procreation status	0.901			0.368
Employment statusa	−2.452			0.015
Proportion of medical costs relative to personal incomeb	3.345			0.001
Clinical factors
Type of disease	−0.150			0.881
Disease activity	8.459			<0.001
Disease duration (≤5 versus >5 years)	1.448			0.149
Relapses for IBD in last year	4.109			<0.001
Hospitalizations for IBD in last year	3.315			0.001
Previous IBD surgery	0.371			0.711
Psychological factors
HADS-Anxiety		−0.660		<0.001
HADS-Depression		−0.533		<0.001
PSS-10		−0.433		<0.001
MSPSS		0.163		0.016

Notes:

^aUnemployment versus employment.

^b<50% versus ≥50%.

Abbreviations: IBDQ, Inflammatory Bowel Disease Questionnaire; IBD, inflammatory bowel disease; HADS, Hospital Anxiety and Depression Scale; PSS-10, Perceived Stress Scale-10; MSPSS, Multidimensional Scale of Perceived Social Support; t, Student’s t-test; r, Pearson’s correlation coefficient; F, analysis of variance.