Table 1.
Characteristics of the NHANES 2007–2012 adult hypertension subsample by USOC
| USOC (n = 6,785)Weighted % = 90.7% | No USOC (n = 868)Weighted % = 9.3% | |
| Age strata, no. (weighted %) | ||
| 18–34 | 504 (7.5%) | 226 (28.5%)** |
| 35–44 | 625 (11.4%) | 145 (17.9%)** |
| 45–54 | 1,012 (19.3%) | 186 (26.6%)** |
| 55–64 | 1,540 (24.4%) | 167(15.5%)** |
| 65–74 | 1,523 (19.2%) | 89 (7.1%)** |
| >75 | 1,581 (18.2%) | 55 (4.3%)** |
| Race/ethnicity, no. (weighted %) | ||
| Hispanic | 1,359 (8.4%) | 327 (23.1%)** |
| Non-Hispanic White | 3,159 (71.9%) | 244 (48.9%)** |
| Non-Hispanic Black | 1,789 (14%) | 228 (19.6%)** |
| Other race | 478 (5.6%) | 69 (8.4%) |
| Gender | ||
| Male, no. (weighted %) | 3,158 (45.7%) | 539 (65%)** |
| Marital status | ||
| Married or partner, no. (weighted %) | 3,833 (63.7%) | 430 (51.9%)** |
| Insurance status | ||
| Insured, no. (weighted %) | 6,028 (90.9%) | 385 (47.5%)** |
| Education, no. (weighted %) | ||
| Less than high school | 2,110 (21.3%) | 387 (34.5%)** |
| High school graduate or some college | 3,415 (54.2%) | 390 (51.8%) |
| College graduate | 1,243 (24.5%) | 90 (13.7%)** |
| Physical activity, no. (weighted %) | ||
| Meeting physical activity guidelines | 2,262 (37.3%) | 418 (51.5%)** |
| Smoking status, no. (weighted %) | ||
| Nonsmoker | 3,589 (52.8%) | 441 (46.2%)* |
| Current smoker | 1,098 (15.4%) | 274 (35.8%)** |
| Former smoker | 2,098 (31.8%) | 153 (18%)** |
| Comorbidities, no. (weighted %) | ||
| Diabetes | 1,558 (19%) | 71 (6.3%)** |
| Heart failure | 452 (5.7%) | 18 (1.3%)** |
| Prior MI | 522 (6.5%) | 35 (3.2%)** |
| Prior stroke | 549 (6.6%) | 26 (2%)** |
| Hyperlipidemia | 3,218 (52.6%) | 169 (33.2%)** |
| COPD | 435 (6.6%) | 26 (3.2%)* |
| BMI category, no. (weighted %) | ||
| Obese | 2,848 (46.7%) | 295 (41.9%) |
| Overweight | 1,968 (32.8%) | 237 (30.7%) |
| Normal weight | 1,220 (19.2%) | 164 (24.7%)* |
| Underweight | 74 (1.3%) | 19 (2.7%)** |
| Hypertension treatment and control | ||
| Taking antihypertensive medication, no. (weighted %) | 4,746 (70.7%) | 182 (20.1%)** |
| Hypertension controlled, no. (weighted %) | 2,836 (54.8%) | 97 (17%)** |
Total sample size n = 7,653 representing 87,298,349 individuals. Abbreviations: BMI, body mass index; COPD, chronic obstructive pulmonary disease; MI, myocardial infarction; NHANES, National Health and Nutrition Examination Survey; USOC, usual source of care.
*Statistically significant at P <0.05.
**Statistically significant at P <0.01.