Individual and contextual factors associated with verbal bullying among Brazilian adolescents

BMC Pediatrics

Table 2 Relative contribution of City, School and Individual level factors in the variance of bullying across Brazilian cities (level 1: individuals n = 59348, level 2: school n = 1453, level: 3 city n = 27)

Model	Variance	S.E.	ICC, %	Proportional change in variance, %
Empty model
City level	0.01	0.004	0.3
School level	0.06	0.010	1.8
Individual level	3.29	---	97.9
Total variance	3.36		100.0
Model 1 (Individual-level variables)
City level	0.01	0.005		0.0
School level	0.04	0.012		33.3
Individual level	3.29	---
Total variance	3.34
Model 2 (full model with per capita income)
City level	0.01	0.004		0.0
School level	0.04	0.012		33.3
Individual level	3.29	---
Total variance	3.34

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