TABLE 2.

Proportion of Female Medicare Beneficiaries Aged 65–74 Years Reporting Having Received a Mammogram Within the Prior 2 Years, by Sociodemographic, Health and Health Care Access Factors, and Survey Year (Weighted Percentages)

	2010		2013
	n	% (95% CI)	n	% (95% CI)	Δ (95% CI)
Total	1300	71.2 (68.0–74.2)	2090	74.7 (72.3–77.0)	3.5 (−0.3 to 7.2)
Age (y)		P = 0.7565		P = 0.0270
65–69	691	70.8 (66.3–75.0)	1160	76.9 (73.8–79.8)	6.1 (0.9–11.3)
70–74	609	71.7 (67.7–75.3)	930	71.8 (68.1–75.2)	0.1 (−4.9 to 5.1)
Race		P = 0.3480		P = 0.7594
White	1015	71.9 (68.4–75.2)	1649	74.8 (72.0–77.4)	2.9 (−1.2 to 7.0)
Black	216	69.0 (61.9–75.4)	319	73.8 (67.5–79.3)	4.8 (−4.0 to 13.6)
Asian	58	60.1 (46.2–72.5)	97	73.3 (61.0–82.8)	13.2 (−6.1 to 32.5)
AIAN	9	*	24	*	*
Ethnicity		P = 0.2766		P = 0.6034
Hispanic	164	75.5 (66.4–82.8)	230	73.1 (66.7–78.7)	−2.4 (−12.8 to 7.9)
Non-Hispanic	1136	70.9 (67.5–74.0)	1860	74.8 (72.2–77.3)	4.0 (0.0 to 8.0)
Foreign-born status		P = 0.6951		P = 0.6799
Born in US	1093	71.4 (68.0–74.6)	1770	74.9 (72.2–77.4)	3.5 (−0.5 to 7.5)
Foreign-born	207	69.8 (61.9–76.7)	319	73.5 (67.1–79.1)	3.7 (−5.7 to 13.1)
Marital status†		P = 0.0001		P = 0.0031
Married	518	76.4 (72.0–80.3)	891	77.7 (74.1–80.9)	1.3 (−3.9 to 6.5)
Unmarried	779	65.3 (61.1–69.2)	1197	70.6 (67.4–73.5)	5.3 (0.5–10.1)
Income (% poverty threshold)		P < 0.0001		P < 0.0001
< 139	336	59.1 (51.8–66.0)	495	61.2 (55.7–66.4)	2.1 (−6.7 to 10.9)
139–250	323	64.0 (57.3–70.2)	500	69.8 (63.9–75.0)	5.8 (−2.2 to 13.8)
251–400	313	72.4 (65.5–78.5)	456	75.2 (69.4–80.1)	2.7 (−5.3 to 10.7)
> 400	328	83.4 (77.9–87.6)	639	84.4 (80.1–87.9)	1.0 (−4.8 to 6.9)
Health insurance		P < 0.0001		P < 0.0001
Medicare+private	631	77.7 (73.3–81.6)	990	81.3 (78.0–84.2)	3.6 (−1.5 to 8.7)
Medicare+Medicaid‡	163	56.1 (47.0–64.9)	243	63.2 (55.1–70.7)	7.1 (−4.7 to 18.9)
Medicare+other§	38	*	74	80.9 (68.9–89.0)	*
Medicare Advantage only	193	73.9 (66.5–80.1)	352	74.7 (68.4–80.1)	0.8 (−8.2 to 9.8)
Traditional Medicare|| only	268	56.9 (49.9–63.5)	415	61.9 (56.0–67.4)	5.0 (−3.6 to 13.6)
Usual source of care		P < 0.0001		P < 0.0001
Yes	1252	72.6 (69.4–75.5)	2006	76.9 (74.5–79.2)	4.3 (0.6–8.1)
No	48	*	84	23.2 (13.8–36.2)	*
# Physician visits in prior year		P < 0.0001		P < 0.0001
None	96	34.9 (24.5–47.0)	140	30.0 (21.5–40.0)	−4.9 (−20.1 to 10.2)
1	132	60.3 (50.2–69.6)	249	66.3 (58.3–73.4)	6.0 (−6.5 to 18.5)
2–5	596	74.1 (69.4–78.3)	956	81.1 (77.6–84.1)	7.0 (1.5–12.5)
≥6	474	77.2 (72.6–81.2)	733	77.6 (73.8–81.1)	0.4 (−5.0 to 5.9)
Health status		P = 0.0007		P = 0.0002
Excellent/very good/good	1002	73.7 (70.2–76.9)	1678	77.2 (74.5–79.6)	3.5 (−0.6 to 7.5)
Fair/poor	297	60.2 (53.0–67.0)	411	64.0 (57.8–69.8)	3.8 (−5.2 to 12.9)
Cancer history¶		P = 0.9561		P = 0.4670
Yes	104	71.0 (60.7–79.5)	189	77.3 (68.8–84.0)	6.3 (−5.1 to 17.8)
No	1196	71.3 (68.0–74.3)	1901	74.4 (72.0–76.7)	3.2 (−0.7 to 7.1)

^*Estimate suppressed because of denominator <50 and/or relative SE > 30%.

^†Includes married or living with partner versus unmarried/not living with partner.

^‡Includes those with other state-sponsored insurance.

^§Includes military plans, other government plans, or Indian Health Service.

^||Includes Medicare Part A and/or Part B.

^¶Excluding breast cancer or nonmelanoma skin cancer.

AIAN indicates American Indian/Alaska Native; CI, confidence interval.

Data Source: CDC/NCHS, National Health Interview Survey, 2010 and 2013.