Table 1.

Characteristics of Patients by Longitudinal Insurance Patterns, 990 Community Health Centers

Overall (n = 45,527)Continuously Insured (n = 32,722)Continuously Uninsured (n = 3,117)Discontinuously Insured (n = 2,246)Gained Insurance (n = 6,374)Lost Insurance (n = 1,068)
Sex, n (%)
 Woman26,168 (57.5)18,758 (57.3)1,782 (57.2)1,257 (56.0)3,786 (59.4)585 (54.8)
 Man19,359 (42.5)13,964 (42.7)1,335 (42.8)989 (44.0)2,588 (40.6)483 (45.2)
Race and ethnicity, n (%)
 Hispanic14,438 (31.7)9,658 (29.5)1,608 (51.6)760 (33.8)2,024 (31.8)388 (36.3)
 Non-Hispanic Black7,242 (15.9)4,787 (14.6)505 (16.2)452 (20.1)1,314 (20.6)184 (17.2)
 Non-Hispanic White18,531 (40.7)14,204 (43.4)729 (23.4)792 (35.3)2,463 (38.6)343 (32.1)
 Other2,809 (6.2)2,199 (6.7)130 (4.2)137 (6.1)274 (4.3)69 (6.5)
 Unknown2,507 (5.5)1,874 (5.7)145 (4.7)105 (4.7)299 (4.7)84 (7.9)
Federal poverty level, n (%)
 Some or all ≥138%12,851 (28.2)9,374 (28.6)549 (17.6)601 (26.8)2,044 (32.1)283 (26.5)
 Never Documented6,502 (14.3)5,620 (17.2)274 (8.8)174 (7.7)362 (5.7)72 (6.7)
 All <138%26,174 (57.5)17,728 (54.2)2,294 (73.6)1,471 (65.5)3,968 (62.3)713 (66.8)
Geographic location, n (%)
 Rural4,843 (10.6)3,823 (11.7)152 (4.9)176 (7.8)628 (9.9)64 (6.0)
 Unknown2,693 (5.9)2,063 (6.3)178 (5.7)131 (5.8)238 (3.7)83 (7.8)
 Urban37,991 (83.4)26,836 (82.0)2,787 (89.4)1,939 (86.3)5,508 (86.4)921 (86.2)
# Visits pre-period, mean (SD)3.50 (3.96)3.89 (4.36)2.36 (2.70)4.54 (3.83)2.36 (2.37)2.14 (2.86)
 % Preventive visit4.44.64.13.73.42.4
 % Mental health visit4.43.92.38.65.96.2
 % Medicare wellness000000
 % Other ambulatory visits91.291.593.687.790.689.4
# Visits post-period, mean (SD)9.03 (14.27)9.18 (12.86)6.52 (23.47)10.47 (21.13)8.50 (9.11)4.93 (10.70)
 % Preventive visit2.72.53.44.22.54.4
 % Mental health visit0.73.41.75.15.89.5
 % Medicare wellness3.70.80.50.00.50.1
 % Other ambulatory visits92.993.394.590.791.288.0
≥2 Chronic conditions, n (%)
 At Pre-period35,118 (77.1)25,944 (79.3)2,053 (65.9)1,679 (74.8)4,716 (74.0)726 (68.0)
 At Post-period39,077 (85.8)28,543 (87.2)2,350 (75.4)1,920 (85.5)5,474 (85.9)790 (74.0)
  • Abbreviation: SD, Standard deviation.

  • Note: Sample included patient aged 62–68 years with at least one visit before and after Medicare age eligibility and insurance type recorded for every visit.