Table 3 Bivariate analysis of the continuous variables associated with the aggression scores

Physical aggression

1

-

Verbal aggression

0.46

< 0.001

1

-

Anger

0.50

< 0.001

0.51

< 0.001

1

-

Hostility

0.49

< 0.001

0.49

< 0.001

0.67

< 0.001

1

-

Cognitive function

0.23

< 0.001

0.27

< 0.001

0.36

< 0.001

0.49

< 0.001

Smartphone addiction

0.18

< 0.001

0.29

< 0.001

0.31

< 0.001

0.33

< 0.001

Age

0.02

0.748

0.13

0.014

0.08

0.145

0.02

0.645

Physical activity index

0.03

0.547

− 0.01

0.808

− 0.04

0.442

− 0.06

0.213

Household crowding index

− 0.05

0.344

− 0.07

0.172

0.04

0.475

− 0.05

0.332

Body Mass Index

0.10

0.043

0.07

0.154

0.03

0.604

0.07

0.181

Financial burden

0.07

0.149

0.05

0.349

0.09

0.086

0.14

0.006