Table 5.

Multinomial logistic regression analysis.

Variables		Class 1 (n = 128): High-Increasing Class		Class 3 (n = 632): Low-Stable Class
		OR	95% CI	OR	95% CI
Individual characteristics
Gender	Boy	0.435	0.281–0.674	2.066	1.617–2.642
	Girl	Reference
Age (years)		0.917	0.551–1.526	0.892	0.636–1.250
Geographic location	Metropolis	0.959	0.519–1.773	0.785	0.564–1.092
	Urban1	1.725	1.036–2.872	0.600	0.448–0.804
	Rural	Reference
Monthly household income (log)		1.123	0.428–2.946	1.312	0.741–2.322
Obesity	Yes	0.959	0.618–1.489	1.115	0.862–1.441
	No	Reference
Body satisfaction		0.973	0.895–1.058	1.001	0.951–1.055
Academic achievement satisfaction		0.933	0.696–1.251	1.017	0.854–1.211
Self-esteem		0.963	0.578–1.606	1.342	0.979–1.840
Ego-resiliency		1.349	0.744–2.443	1.518	1.047–2.201
Multicultural characteristics
Type of multicultural family	Immigrant father	1.832	0.676–4.964	1.140	0.594–2.186
	Immigrant mother	Reference
Country of immigrant parent	China	1.171	0.691–1.986	1.199	0.874–1.644
	South-East	0.987	0.600–1.623	1.286	0.956–1.729
	Japan and others	Reference
Immigrant parent’s Korean proficiency		0.926	0.613–1.401	0.862	0.675–1.100
Multicultural adolescents’ Korean proficiency		1.023	0.691–1.515	1.280	0.984–1.664
Acculturation stress		1.029	0.976–1.085	0.944	0.909–0.981
Environmental characteristics
Family support		0.811	0.551–1.196	1.369	1.058–1.772
Parenting attitude (neglect)		1.656	1.085–2.529	0.971	0.761–1.237
Peer support		0.714	0.521–0.977	1.057	0.859–1.300
Victim of bullying		1.651	1.096–2.489	0.491	0.293–0.825
Teacher support		1.251	0.938–1.669	1.073	0.898–1.281
School adaptation (learning)		0.695	0.404–1.198	1.715	1.216–2.419

Reference group = class 2: moderate-increasing class (n = 672); OR = odds ratio; CI = confidence interval; bold figures indicate significant associations (p < 0.05). ¹ city except metropolis.