Table 2

Characteristics of the total population, stratified by screening status and screening test

CharacteristicTotal populationN (%) screenedN (%) not screenedP value*N (%) screened with HbA1cN (%) screened with another testP value
N12,7729,941 (78)2,831 (22)1,378 (14)8,563 (86)
Age<0.00010.8863
 45–54 years6,5644,927 (75)1,637 (25)675 (14)4,252 (86)
 55–64 years5,6054,495 (80)110 (20)629 (14)3,866 (86)
 ≥65 years603519 (86)84 (14)74 (14)445 (86)
Sex0.23970.4168
 Women7,1935,626 (78)1,567 (22)766 (14)4,860 (86)
 Men5,5794,315 (77)1,264 (23)612 (14)3,703 (86)
Race0.00070.0057
 White10,5448,176 (78)2,368 (22)1,083 (13)7,093 (87)
 Nonwhite1,213992 (82)221 (18)163 (16)829 (84)
PCP visits<0.0001<0.0001
 None in past 3 years5,0763,017 (60)2,059 (41)231 (8)2,786 (92)
 At least one in past 3 years7,6966,924 (90)772 (10)1,147 (17)5,777 (83)
Weight<0.0001<0.0001
 Normal weight11,4418,684 (76)2,757 (24)1,055 (12)7,629 (88)
 Overweight/obese1,3311,257 (94)74 (6)323 (26)934 (74)
Blood pressure§<0.0001<0.0001
 Normotensive8,5245,986 (70)2,538 (30)659 (11)5,327 (89)
 Hypertension4,2483,955 (93)293 (7)719 (18)3,236 (82)
Cholesterol‖<0.0001<0.0001
 No dyslipidemia7,4465,375 (69)2,371 (31)581 (11)4,794 (89)
 Dyslipidemia5,0264,566 (91)460 (9)797 (17)3,769 (83)
  • *P value refers to statistical tests comparing those who were screened vs. those who were not screened.

  • P value refers to statistical tests comparing those who were screened with HbA1c vs. those who were screened with another test.

  • ‡Weight is defined as the presence or absence of a claims diagnosis for overweight or obesity in the time period (ICD-9 codes: 278.0, 278.00, and 278.01).

  • §Blood pressure is defined as the presence or absence of a claim for hypertension in the time period (ICD-9 codes: 401.x–405.x).

  • ‖Cholesterol is defined as the presence or absence of a claim for dyslipidemia in the time period (ICD-9 codes: 272.0, 272.2, and 272.4).