Table 2.

Age-adjusted incidence rates (per 100,000 person-years) of overall non-Hodgkin lymphoma and incidence rate ratios (IRRs) by nativity among Asians and non-Hispanic whites, California, 1988–2004

Asian ethnic group	Nativity	Males
		Cases (N)	Incidence rate*	95% CI	IRR	95% CI
Chinese	US-born	320	30.6	(26.7–34.8)	1.00	reference
	Foreign-born	775	16.9	(15.2–18.7)	0.55	(0.47–0.65)
Japanese	US-born	396	18.1	(16.3–20.1)	1.00	reference
	Foreign-born	130	30.9	(25.1–37.6)	1.71	(1.35–2.14)
Filipino	US-born	156	23.3	(18.0–29.6)	1.00	reference
	Foreign-born	1,026	24.1	(22.3–26.0)	1.03	(0.8–1.36)
Korean	US-born	36	16.8	(7.0–32.4)	1.00	reference
	Foreign-born	188	12.7	(10.7–15.1)	0.76	(0.38–1.84)
South Asian	US-born	58	46.9	(27.7–73.1)	1.00	reference
	Foreign-born	244	20.1	(17.1–23.4)	0.43	(0.27–0.74)
Vietnamese	US-born	50	66.3	(36.1–109.5)	1.00	reference
	Foreign-born	350	19.3	(16.9–22.0)	0.29	(0.17–0.54)
Non-Hispanic White		48,816	34.5	(34.2–34.8)	---	---

Asian ethnic group	Nativity	Females
		Cases (N)	Incidence rate*	95% CI	IRR	95% CI
Chinese	US-born	195	15.5	(13.1–18.1)	1.00	reference
	Foreign-born	628	10.4	(9.5–11.4)	0.67	(0.56–0.81)
Japanese	US-born	298	13	(11.5–14.7)	1.00	reference
	Foreign-born	206	14	(12–16.4)	1.08	(0.88–1.32)
Filipino	US-born	106	13.5	(9.8–18.1)	1.00	reference
	Foreign-born	861	15.8	(14.3–17.3)	1.17	(0.86–1.62)
Korean	US-born	25	6.3	(2.5–13.1)	1.00	reference
	Foreign-born	151	7.2	(5.9–8.6)	1.14	(0.53–2.98)
South Asian	US-born	37	35	(18.6–58.4)	1.00	reference
	Foreign-born	156	14.3	(11.8–17.2)	0.41	(0.24–0.79)
Vietnamese	US-born	39	34.9	(17.3–62.7)	1.00	reference
	Foreign-born	281	14.8	(13–16.9)	0.42	(0.23–0.87)
Non-Hispanic White		36,649	20.7	(20.5–20.9)	---	---