Table 1. Comparison of individuals with incident diabetes with complete (n=6,547) and incomplete (n=2,692) baseline and follow-up information on HbA1c, LDL cholesterol, and blood pressure.
N(%) or mean (SD) / median.
| Complete baseline and follow-up risk factor information (N=6,547) | Incomplete baseline or follow-up risk factor information (N=2,692) | P Value | |
|---|---|---|---|
|
| |||
| Male | 3,509 (53.6%) | 1,444 (53.6%) | 0.97 |
|
| |||
| Age (years) | 60.8 (12.1) / 61.0 | 60.0 (14.0) / 59.2 | 0.006 |
|
| |||
| Age | <0.001 | ||
| 21–49 | 1,302 (19.9%) | 706 (26.2%) | |
| 50–64 | 2,614 (39.9%) | 949 (35.3%) | |
| ≥ 65 | 2,631 (40.2%) | 1,037 (38.5%) | |
|
| |||
| Race/ethnicity | <0.001 | ||
| Black | 315 (4.8%) | 130 (4.8%) | |
| Non-Black Hispanic | 767 (11.7%) | 353 (13.1%) | |
| Non-Hispanic White | 3,707 (56.6%) | 1,216 (45.2%) | |
| Other | 320 (4.9%) | 109 (4.1%) | |
| Unknown | 1,438 (22.0%) | 884 (32.8%) | |
|
| |||
| Current smoking | 840 (12.8%) | 354 (13.2%) | 0.68 |
|
| |||
| Body mass index (kg/m2) (N=9,012) | 32.9 (6.9) / 31.8 | 32.6 (7.4) / 31.2 | 0.008 |
|
| |||
| Coronary artery disease | 1,033 (15.8%) | 290 (10.8%) | <0.001 |
|
| |||
| Comorbidities* | 0.01 | ||
| 1–2 | 3,357 (51.3%) | 1,438 (53.4%) | |
| 3–4 | 2,298 (35.1%) | 860 (32.0%) | |
| 5 or more | 892 (13.6%) | 394 (14.6%) | |
|
| |||
| Low socioeconomic status† (N=8,923) | 1,114 (17.6%) | 538 (20.9%) | <0.001 |
*
Comorbidities were defined using the Quan version of the Elixhauser index based on the ICD-9 codes in the year prior to the baseline date (Quan et al., 2005).
†
Low socioeconomic status was defined as living in a census block group with ≥ 20% of individuals under the poverty line and/or ≥ 25% of individuals without a high school education.