Table 2.
Blood Pressure Parameters and Antihypertensive Medication Divided by BMI Group
| Complete Cohort | Normal | Overweight | Obese | P Value | Data Completeness, % | |
|---|---|---|---|---|---|---|
| (N=1114) | (n=207) | (n=440) | (n=467) | |||
| BP parameters (mean±SD), mm Hg | ||||||
| Clinic SBP | 156.9 (26.3) | 159.7 (28.0) | 157.7 (43.8) | 154.9 (26.3) | .068 | 98.8 |
| 24‐hour ambulatory SBP | 135.2 (18.0) | 136.5 (19.0) | 134.3 (17.1) | 135.4 (18.5) | .352 | 97.4 |
| Daytime ambulatory SBP | 139.3 (18.0) | 140.0 (18.4) | 138.6 (17.4) | 139.6 (18.4) | .56 | 100 |
| Nighttime ambulatory SBP | 126.1 (20.8) | 125.9 (21.2) | 124.7 (20.1) | 127.7 (21.2) | .101 | 95.2 |
| Clinic DBP | 94.3 (14.0) | 94.5 (14.1) | 93.7 (13.8) | 94.8 (14.2) | .488 | 98.7 |
| 24‐hour ambulatory DBP | 79.8 (11.8) | 81.2 (11.2) | 79.2 (12.0) | 79.8 (11.8) | .143 | 97.7 |
| Daytime ambulatory DBP | 83.1 (12.1) | 84.7 (11.8) | 82.4 (12.3) | 83.0 (12.1) | .07 | 99.9 |
| Nighttime ambulatory DBP | 72.5 (12.6) | 73.6 (12.6) | 71.7 (12.6) | 72.7 (12.6) | .205 | 95.2 |
| Nocturnal dip (% of SBP), mean (SD) | 9.4 (8.8) | 10.1 (9.2) | 10.0 (8.3) | 8.4 (9.0) | .01a | 95.2 |
| No. of antihypertensives, mean (SD) | 1.9 (1.3) | 1.6 (1.3) | 1.8 (1.3) | 2.0 (1.3) | .001b | 100 |
| ≥4 agents, % | 11.3 | 11.1 | 11.6 | 11.1 | .97 | 100 |
| Resistant hypertension, % | 8.3 | 7.8 | 6.9 | 10.1 | .215 | 98.5 |
| White‐coat hypertension, % | 9.1 | 7.3 | 11.4 | 7.7 | .091 | 98.5 |
Abbreviations: BMI, body mass index; BP, blood pressure; DBP, diastolic blood pressure; SBP, systolic blood pressure; SD, standard deviation. aPost‐hoc analysis: overweight to obese P=.02. bPost‐hoc analysis: normal to obese P=.001.