Table 2 Comparison of the groups in terms of the PIU score (continuous variable)

Sex^a

z = –2.52^a

< 0.05

Study mode (full time/extramural)^a

z = –2.98^a

< 0.01

Study cycle (bachelor, master, uniform)^b

χ² = 8.65^b

< 0.05

Year of studies^b

χ² = 4.09^b

NS^f

Field of studies^b

χ² = 32.44^b

< 0.001

Preferred device (computer/smartphone/computer and smartphone comparably)^b

χ² = 11.34^b

< 0.01

Purpose of Internet use^b

χ² = 29.35^b

< 0.001

Severity of IZZ^{b, c}

χ² = 7.26^b

< 0.05

BDI risk category^{a, d}

z = –5.01^a

< 0.001

EAT risk category^{a, e}

z = –1.17^a

NS