Table 1.
Characteristics of Visits Involving Patients with Prediabetes by Lifestyle Management, NAMCS 2013–2015 (n = 4039, Weighted n = 97,090,285)
| Variable | Lifestyle management (n = 814, weighted n = 22,166,419) | No lifestyle management (n = 3325, weighted n = 74,923,685) | p |
|---|---|---|---|
| n (weighted %) | n (weighted %) | ||
| Age (years) | 0.04 | ||
| 18–44 | 112 (18.5) | 385 (11.7) | |
| 45–64 | 371 (40.6) | 1268 (39.1) | |
| ≥ 65 | 331 (40.8) | 1572 (49.2) | |
| BMI | < 0.001 | ||
| Underweight | 140 (14.8) | 770 (23.2) | |
| Normal | 103 (11.7) | 568 (18.8) | |
| Overweight | 197 (22.4) | 834 (27.4) | |
| Obesity | 374 (51.1) | 1053 (30.6) | |
| Ethnicity | 0.03 | ||
| White, non-Hispanic | 609 (63.4) | 2579 (73.0) | |
| Black, non-Hispanic | 78 (16.2) | 238 (9.3) | |
| Hispanic | 77 (14.7) | 238 (11.3) | |
| Other | 50 (5.6) | 170 (6.5) | |
| Sex | |||
| Female | 436 (56.8) | 1720 (52.4) | 0.21 |
| Primary payer | 0.29 | ||
| Private | 406 (47.0) | 1351 (43.3) | |
| Medicare/Medicaid | 337 (43.4) | 1587 (49.0) | |
| Uninsured/other | 71 (9.6) | 287 (7.7) | |
| Comorbidity | |||
| Hyperlipidemia | 442 (56.9) | 1357 (46.2) | 0.002 |
| Hypertension | 499 (60.3) | 1730 (55.4) | 0.26 |
| Total number of chronic conditions | 0.06 | ||
| 0 | 78 (10.2) | 472 (13.9) | |
| 1 | 173 (23.4) | 784 (25.9) | |
| 2 | 233 (29.0) | 902 (29.0) | |
| ≥ 3 | 330 (41.0) | 1067 (31.5) | |
| Metformin prescribed | 29 (3.1) | 73 (2.0) | 0.13 |
| Physician characteristics | |||
| Primary care | 578 (80.0) | 2045 (71.5) | 0.008 |
| Metropolitan area* | 739 (94.7) | 2845 (91.9) | 0.07 |
| Region† | 0.003 | ||
| Northeast | 114 (16.7) | 457 (21.2) | |
| Midwest | 247 (16.0) | 1012 (21.2) | |
| South | 249 (42.7) | 848 (28.1) | |
| West | 204 (24.8) | 908 (29.6) | |
BMI body mass index, NAMCS National Ambulatory Medical Care Survey
*Based on physician location by metropolitan statistical area
†Based on location where majority of visits records were sampled