Problematic Internet Use, health behaviors, depression and eating disorders: a cross-sectional study among Polish medical school students

Table 4 Comparison of PIU risk groups in terms of the investigated variables (categorical variable)

Variables^a	df	χ²	p value
Age	3	1.57	NS
Amount of leisure time per day	3	17.65	< *0.001*
Year of study	3	0.99	NS
BMI	3	2.18	NS
IZZ	3	16.63	< *0.001*
BDI	3	55.17	< *0.001*
EAT-26	3	13.93	< *0.01*

^aKruskal–Wallis test for groups at a very low, low, average, high risk of PIU
BMI Body Mass Index score, IZZ Health-Related Behavior Inventory score, BDI Beck Depression Inventory score, EAT-26 Eating Attitudes Test score, NS not statistically significant

ISSN: 1744-859X