Table 2 Multinomial logistic regression analysis including demographic, self-reported bullying and self-esteem for identifying group belonging

Sex—man

− 0.17

0.15

0.84

0.62–1.13

0.89*

0.32

2.45

1.29–4.64

Age (years)

− 0.02*

0.008

0.97

0.96–0.99

− 0.06*

0.02

0.93

0.88–0.98

Marital status—single

− 0.07

0.12

1.39

1.08–1.79

− 1.75*

0.61

0.17

0.05–0.57

Socioeconomic status—low

− 0.07

0.12

0.93

0.72–1.19

0.19

0.34

1.20

0.61–2.36

Level of education ≤ secondary

0.28

0.31

1.33

0.71–2.47

1.70*

0.62

5.51

1.62–18.65

Occupation—unemployed/none

− 0.05

0.24

0.94

0.59–1.52

− 0.08

0.64

0.92

0.26–3.25

Bullying—Yes

0.33*

0.12

1.39

1.08–1.79

1.20*

0.47

3.32

1.32–8.34

Self-esteem (score)

− 0.13**

0.01

0.87

0.86–0.89

− 0.13**

0.02

0.87

0.82–0.92