Table 1.
Demographic characteristics of the study cohort: overall and by follow-up hypertension (HTN) status.
| Characteristic | Overall | Incident HTN | No incident HTN | P value |
|---|---|---|---|---|
| Mean±SD | (N= 784) | (N= 243) | (N= 541) | |
| Age (years) | 75.1 ± 4.9 | 75.7 ± 5.0 | 74.9 ± 4.8 | 0.032 |
| BMI (kg/m2) | 26.4± 3.4 | 26.7 ± 3.7 | 26.3± 3.3 | 0.088 |
| Neck circumference (cm) | 39.0 ± 2.7 | 39.1 ± 2.8 | 38.9 ± 2.6 | 0.209 |
| Waist circumference (cm) | 97.3 ± 10.0 | 98.3 ± 10.3 | 96.9 ± 9.8 | 0.060 |
| Hip circumference (cm) | 101.9 ± 8.3 | 102.1 ± 8.0 | 101.8 ± 8.4 | 0.593 |
| PASE score | 160.8 ± 71.3 | 159.6 ± 72.3 | 161.4 ± 70.9 | 0.75 |
| Baseline SBP | 121.0 ± 10.6 | 125.4 ± 9.6 | 119.0 ± 10.4 | <0.0001 |
| Baseline DBP | 67.5 ± 7.7 | 68.7 ± 7.5 | 66.9 ± 7.8 | 0.003 |
| Follow-up SBP | 118.7 ± 16.3 | 125.0 ± 21.2 | 116.0 ± 12.7 | <0.0001 |
| Follow-up DBP | 68.1 ± 9.7 | 69.2 ± 11.6 | 67.6 ± 8.8 | 0.064 |
| Percentages N (%) | ||||
| Non-Caucasian race | 68 (8.7) | 20 (8.2) | 48 (8.9) | 0.768 |
| Self-rating of overall health “Excellent or Good” | 501 (92.8) | 222 (92.3) | 723 (92.2) | 0.19 |
| Current smoker | 22 (2.8) | 4 (1.6) | 18 (3.3) | 0.188 |
| Has ≥1 alcoholic drink/week* | 432 (55.4) | 127 (52.9) | 305 (56.5) | 0.355 |
| Diabetes mellitus | 45 (5.7) | 19 (7.8) | 26 (4.8) | 0.094 |
| History of cardiovascular disease | 154 (19.7) | 58 (24.1) | 96 (17.7) | 0.040 |
| GDS Score ≥6 | 34 (4.3) | 9(3.7) | 25(4.6) | 0.560 |
| Prehypertensive at baseline | 477 (60.8) | 190(78.2) | 287(53.1) | <0.0001 |
BMI: body mass index, PASE: physical activity score in the elderly, SBP: systolic blood pressure, DBP: diastolic blood pressure, GDS: geriatric depression scale. Prehypertension: SBP 120-139 mmHg or DBP 80-89mmHg. P value compares those with and without incident hypertension.
*
Further categorization of alcoholic drinks per week 0, <1, 1-2, 3-5, 6-13, or 14+ did not significantly change results