Table 3.

Age- and gender-adjusted Incidence rate ratios (IRR_adj) of any psychotic disorder for migrant and minority ethnic groups (‘minorities’), compared to the local reference population, by the site of recruitment

	Minorities, all	Minorities, Western countriesb	Minorities, non-Western countriesa	Minorities, all, by generation
				first generation	Second generation (and higher)
	IRRadj (95% CI)	IRRadj (95% CI)	IRRadj (95% CI)	IRRadj (95% CI)	IRRadj (95% CI)
London	2.11 (1.55–2.88)	0.97 (0.61–1.55)	2.73 (1.98–3.75)	2.03 (1.44–2.84)	2.32 (1.57–3.43)
Cambridge	1.95 (1.47–2.60)	1.67 (1.15–2.42)	2.20 (1.54–3.15)	1.86 (1.34–2.58)	2.58 (1.58–4.22)
Amsterdam	2.27 (1.69–3.04)	1.50 (0.98–2.29)	2.57 (1.91–3.45)	2.57 (1.86–3.54)	1.79 (1.21–2.64)
Gouda & Voorhout	1.58 (1.06–2.36)	0.89 (0.42–1.90)	1.99 (1.30–3.06)	1.95 (1.20–3.17)	1.19 (0.63–2.28)
Barcelona	0.97 (0.59–1.59)	0.76 (0.35–1.66)	1.08 (0.62–1.89)
Valencia	0.70 (0.32–1.53)	0.20 (0.02–1.65)	0.99 (0.44–2.22)
Oviedo	2.27 (1.19–4.31)	1.26 (0.37–4.34)	2.83 (1.41–5.67)
Santiago	0.00 (–)	0.0 (–)	0.00 (–)
Cuenca	1.30 (0.50–3.37)	0.50 (0.11–2.37)	3.44 (1.20–9.90)
Paris	2.47 (1.66–3.69)	0.91 (0.31–2.68)	3.09 (2.02–4.73)
Val de Marne	1.39 (1.01–1.91)	0.50 (0.17–1.43)	1.64 (1.16–2.31)
Bologna	1.50 (1.04–2.18)	1.05 (0.58–1.90)	1.80 (1.19–2.72)
Palermo	2.02 (1.22–3.34)	1.37 (0.48–3.93)	2.27 (1.32–3.89)
Interaction of	22.6/ 12/ 0.031c	13.9/ 12/ 0.3062	20.3/ 12/ 0.0611	Interaction of	9.2/ 6/ 0.1652
(site × minority status)				(site x generation)
Pooled IRRadjd	1.75 (1.56–1.96)	1.09 (0.91–1.32)	2.12 (1.88–2.40)

^aIncluding Europe, USA, Canada, USA, Australia, New Zealand and countries of former Soviet Union, except states in Asia with a predominantly Islamic population.

^bMidde East, The Maghreb, sub-Saharan Africa, Asia, The Caribbean (including French oversees departments), Latin America.

^cWald χ² statistic/ df/p value.

^dadjusted for age, gender and recruitment site.