Skip to main content
. Author manuscript; available in PMC: 2018 Feb 15.
Published in final edited form as: JAMA Intern Med. 2017 Mar 1;177(3):371–379. doi: 10.1001/jamainternmed.2016.8653

Table 2.

Characteristics of 30,838 Insured Patients with Diabetes by Ethnicity, English Language Proficiency, and Patient-Physician Language Concordance

Patient/Physician Characteristics Ethnicity and English Language Proficiency Among LEP Latino

White English-speaking Latino LEP Latino Language concordant Language discordant
n=21878 n=5755 n=3205 n=1610 n=1595
n (%) n (%) n (%) n (%) n (%)

Patient Characteristics

 Age, mean (SD) 62.7 (12.3) 56.2 (13.6)a 55.5 (13.3)bc 55.6 (13.3) 55.5 (13.2)

 Men 11702 (53.5) 3060 (53.2) 1711 (53.4) 841 (52.2) 870 (54.5)

 Neighborhood Deprivation Index
  1st Quartile (least deprived) 5337 (24.8) 752 (13.2)a 216 (6.8)bc 116 (7.3) 100 (6.3)
  2nd Quartile 6775 (31.4) 1332 (23.4) 511 (16.1) 256 (16.1) 255 (16.1)
  3rd Quartile 6080 (28.2) 1724 (30.3) 948 (29.9) 451 (28.4) 497 (31.4)
  4th Quartile (most deprived) 3357 (15.6) 1874 (33.0) 1495 (47.2) 765 (48.2) 730 (46.1)

 Charlson co-morbidity index
  < 1 5231 (23.9) 1705 (29.6)a 1033 (32.2)bc 496 (30.8) 537 (33.7)
  1 to < 2 7146 (32.7) 2084 (36.2) 1288 (40.2) 652 (40.5) 636 (39.9)
  2 to < 3 4894 (22.4) 1208 (21.0) 594 (18.5) 303 (18.8) 291 (18.2)
  3 or more 4607 (21.1) 758 (13.2) 290 (9.0) 159 (9.9) 131 (8.2)

 Depression 5046 (23.1) 894 (15.5)a 418 (13.0)bc 243 (15.1) 175 (11.0)d

 # Chronic (non-diabetic) medications dispensed, mean (SD) 4.8 (3.1) 3.6 (2.8)a 3.0 (2.4)bc 3.1 (2.5) 3.0 (2.4)

 Out-of-pocket medication cost, mean (SD) 113.5 (153.2) 70.5 (104.1)a 61.1 (88.2)bc 63.9 (98.1) 58.3 (76.7)

 Oral hypoglycemics
  Sulfonylureas 8578 (39.2) 2140 (37.2)a 1178 (36.8)b 608 (37.8) 570 (35.7)
  Biguanides 7932 (36.3) 2241 (38.9)a 1275 (39.8)b 663 (41.2) 612 (38.4)
  Other 1905 (8.7) 427 (7.4)a 224 (7.0)b 116 (7.2) 108 (6.8)

 Insulin 1510 (6.9) 364 (6.3) 132 (4.1)bc 73 (4.5) 59 (3.7)

 No diabetes medications in year prior to index date 9733 (44.5) 2569 (44.6) 1445 (45.1) 698 (43.4) 747 (46.8)d

 Hemoglobin A1c, mean (SD) 8.11 (1.82) 8.65 (2.03)a 8.76 (2.10)bc 8.76 (2.09) 8.76 (2.11)

 Hemoglobin A1c ≥ 9.0% 4899 (24.4) 1885 (35.9)a 1075 (37.0)b 545 (37.1) 530 (36.9)

Provider Characteristics

 Age, mean (SD) 45.1 (8.1) 44.6 (7.8)a 43.6 (7.9)bc 43.4 (7.3) 43.8 (8.6)

 Men 12950 (59.2) 3184 (55.3)a 1733 (54.1)b 827 (51.4) 906 (56.8)d

 Race/Ethnicity
  White 10337 (47.2) 1914 (33.3)a 890 (27.8)bc 291 (18.1) 599 (37.6)d
  Hispanic/Latino 1567 (7.2) 768 (13.3) 1356 (42.3) 1163 (72.2) 193 (12.1)
  African American 915 (4.2) 275 (4.8) 86 (2.7) 0 (0.0) 86 (5.4)
  Asian 8622 (39.4) 2634 (45.8) 826 (25.8) 155 (9.6) 671 (42.1)
  Other/Unknown 437 (2.0) 164 (2.8) 47 (1.5) 1 (0.1) 46 (2.9)

Neighborhood Deprivation Index, oral hypoglycemics, insulin, and no diabetes medication use were measured for the year prior to the first index date.

Abbreviations: LEP: limited English proficient; Language concordant: LEP patient with language concordant primary care provider; Language discordant: LEP patient with language discordant primary care provider.

a

Whites vs. English-speaking Latinos: p-value < 0.05

b

Whites vs. LEP Latinos: p-value < 0.05

c

English-speaking Latino vs. LEP Latino: p-value < 0.05

d

LEP concordant vs. LEP discordant: p-value < 0.05

*

For categorical variables, p-values are reflective across all comparison groups.