. Author manuscript; available in PMC: 2013 Jan 15.

Published in final edited form as: Int J Cancer. 2011 Apr 25;130(2):395–404. doi: 10.1002/ijc.26004

Table 1.

Age-specific case counts and incidence rates (ASIR) with 95% confidence intervals (CI) and average annual percent change (AAPC) by by race/ethnicity and time period, invasive breast cancer among women, Los Angeles County, CA, 1972–2007

Race/Ethnicity	Time Period	Age Group
		<45			45–54			55–64			65+
		Case	ASIR	95% CI	Case	ASIR	95% CI	Case	ASIR	95% CI	Case	ASIR	95% CI	AAPC^§
NH White
	1972–79	2554	21.8	20.9–22.6	5307	224.3	218.3–230.3	6091	277.4	270.5–284.4	9262	322.7	316.1–329.2	−0.7
	1980–89	3450	28.0	27.1–28.9	5106	219.2	213.2–225.2	7895	339.2	331.7–346.6	15138	423.3	416.5–430.0	3.6^*
	1990–99	3251	33.1	31.9–34.2	5902	267.5	260.7–274.3	6388	364.6	355.6–373.5	16579	510.1	502.3–517.8	1.1
	2000–07	2297	36.3	34.8–37.8	4920	260.1	252.8–267.3	5772	399.0	388.7–409.3	11402	485.3	476.4–494.2	−2.1^*
Black
	1972–79	493	17.3	15.8–18.9	570	163.9	150.4–177.3	504	192.1	175.3–208.9	592	236.5	217.4–255.5	1.8^*
	1980–89	845	22.3	20.8–23.8	854	174.9	163.2–186.7	892	238.6	223.0–254.3	1414	323.2	306.3–340.0	1.8^*
	1990–99	1023	27.7	26.0–29.4	1240	214.1	202.2–226.0	1237	305.5	288.5–322.6	1942	374.7	358.0–391.3	1.6^*
	2000–07	751	27.8	25.8–29.8	1194	215.7	203.4–227.9	1185	316.2	298.2–334.3	1826	401.7	383.2–420.1	−0.7
Hispanic
	1972–79	442	9.4	8.5–10.3	551	124.2	113.8–134.5	389	135.8	122.3–149.3	442	175.9	159.5–192.3	−1.1
	1980–89	1049	11.1	10.5–11.8	1003	126.0	118.2–133.8	905	168.9	157.9–179.9	1184	235.7	222.3–249.2	3.1^*
	1990–99	1909	13.3	12.7–13.9	1947	135.5	129.5–141.6	1650	190.5	181.3–199.7	2432	269.3	258.6–280.0	0.0
	2000–07	2027	15.0	14.4–15.7	2465	138.9	133.4–144.4	2060	206.9	198.0–215.8	2656	258.3	248.5–268.1	0.0
Chinese
	1972–79	28	13.1	8.2–17.9	24	93.1	55.9–130.3	24	128.8	77.3–180.3	24	134.4	80.7–188.2	1.8^*
	1980–89	100	16.2	13.0–19.3	79	103.8	80.9–126.7	75	126.5	97.9–155.2	107	160.9	130.4–191.4	1.8^*
	1990–99	229	22.0	19.1–24.8	231	117.4	102.3–132.6	161	140.0	118.4–161.6	222	145.4	126.3–164.6	1.8^*
	2000–07	252	24.9	21.8–28.0	420	154.6	139.8–169.4	259	202.4	177.7–227.0	337	180.0	160.8–199.2	1.8^*
Filipina
	1972–79	35	15.5	10.4–20.6	27	113.2	70.5–155.9	26	141.0	86.8–195.2	9	59.3	20.6–98.0	6.3^*
	1980–89	187	30.4	26.0–34.7	126	144.9	119.6–170.2	80	141.3	110.4–172.3	97	159.0	127.4–190.7	6.3^*
	1990–99	304	34.1	30.2–37.9	529	285.5	261.2–309.9	287	255.1	225.6–284.7	289	225.3	199.3–251.3	2.4^*
	2000–07	235	30.2	26.3–34.0	552	253.7	232.5–274.8	532	400.5	366.5–434.6	486	328.2	299.0–357.3	2.0^*
Japanese
	1972–79	61	19.7	14.7–24.6	134	190.5	158.2–222.7	59	141.6	105.4–177.7	46	123.2	87.6–158.8	−6.8^*
	1980–89	86	21.8	17.2–26.4	120	137.4	112.8–162.0	156	189.5	159.8–219.3	124	176.6	145.5–207.7	7.6
	1990–99	120	30.9	25.4–36.4	187	222.8	190.8–254.7	214	267.0	231.3–302.8	353	304.9	273.0–336.7	2.0^*
	2000–07	93	33.3	26.5–40.1	186	238.6	204.3–272.9	160	333.8	282.1–385.5	393	318.4	286.9–349.8	2.0^*
Korean
	1972–79	14	11.2	5.3–17.1	5	41.9	5.2–78.7	3	38.9	0.0–82.9	5	66.3	8.2–124.4	−14.2^*
	1980–89	46	11.7	8.3–15.1	36	65.2	43.9–86.5	14	40.7	19.0.4–62	18	49.8	26.8–72.8	5.4^*
	1990–99	99	16.6	13.3–19.9	131	114.3	94.7–133.9	74	99.5	76.9–122.2	49	60.4	43.5–77.3	5.4^*
	2000–07	131	23.7	19.6–27.7	204	160.5	138.5–182.5	145	168.8	141.4–196.3	109	114.3	92.8–135.7	5.4^*

^§

Estimated by joinpoint regression based on annual age-adjusted incidence rates during the time period.

Indicates statistical significance with 95% probability.