Table 2 Risk of being a strengths and difficulties questionnaire case in the second phase, in relation to cultural identity in the first phase, stratified by ethnic group

Ethnic group	Cultural identity		Unadjusted			Adjusted*
Ethnic group	Cultural identity		OR (95% CI)	p Value	N, R²		OR (95% CI)	p Value	N, R²
Model 1
White British	Friendship choice	Integrated	1
		Traditional	1.1 (0.5 to 2.4)	0.83			1.0 (0.4 to 2.5)	0.94
		Assimilated	1.1 (0.6 to 1.9)	0.71	N = 351		1.1 (0.4 to 2.7)	0.89	N = 326
		Marginalised	0.7 (0.3 to 1.7)	0.44			0.7 (0.2 to 1.9)	0.44
Model 2
Bangladeshi	Friendship choice	Integrated	1
		Traditional	0.8 (0.4 to 1.5)	0.47			0.9 (0.5 to 1.7)	0.77
		Assimilated	1.9 (0.6 to 6.0)	0.31	N = 453		1.6 (0.5 to 5.6)	0.43	N = 413
		Marginalised	1.2 (0.5 to 2.6)	0.71			1.3 (0.5 to 3.8)	0.58
Model 3
White British	Clothing choice	Integrated	1				1
		Traditional	2.7 (1.1 to 7.1)	0.04			2.9 (1 to 7.9)	0.04
		Assimilated	6.7 (2 to 22.1)	0.002	N = 351		5.5 (1.7 to 18.3)	0.005	N = 325
		Marginalised	3.3 (1.5 to 7.1)	0.003			3.2 (1.5 to 6.9)	0.002
Model 4
Bangladeshi	Clothing choices	Integrated	1				1
		Traditional	0.3 (0.1 to 0.9)	0.02			0.17 (0.06 to 0.5)	0.007
		Assimilated	1.3 (0.8 to 2.3)	0.26	N = 454		1.0 (0.5 to 1.9)	0.67	N = 412
		Marginalised	0.93 (0.5 to 1.8)	0.84			0.82 (0.4 to 1.6)	0.12

OR, Odds ratio.
*Adjustment for age (continuous), gender and year group interaction, eligibility for free school meals, car ownership, number of rooms in the house, religion, place of birth, phase 1 strengths and difficulties questionnaire score as a continuous variable, social support from friends score as a continuous variable. All analyses weighted for proportion of non-responders per cluster (using pw in Stata) and standard errors adjusted for cluster sampling using cluster in Stata.