Table 1 Basic characteristics of the study participants in the Japan Epidemiology Collaboration on Occupational Health (2008–2019), shown by tertiles of visit-to-visit variability of systolic blood pressure
Total | Tertiles defined by CVa | |||
|---|---|---|---|---|
T1 (0.0–4.6%) | T2 (4.6–7.1%) | T3 (7.1–42.2%) | ||
N | 72,617 | 24,210 | 24,202 | 24,205 |
Age, mean [SD] | 43.2 [10.7] | 42.9 [10.6] | 43.1 [10.6] | 43.6 [10.9] |
Male, n (%) | 62,855 (86.6) | 21,115 (87.2) | 20,901 (86.4) | 20,839 (86.1) |
Current smoking, n (%) | 25,076 (34.5) | 8221 (34.0) | 8318 (34.4) | 8537 (35.3) |
Diabetes, n (%) | 4792 (6.6) | 1459 (6.0) | 1489 (6.2) | 1844 (7.6) |
Dyslipidemia, n (%) | 30,236 (41.6) | 9878 (40.8) | 10,149 (41.9) | 10,209 (42.2) |
Hypertension, n (%) | 13,726 (18.9) | 3612 (14.9) | 4161 (17.2) | 5953 (24.6) |
Antihypertensive medication, n (%) | 7551 (10.4) | 2037 (8.4) | 2204 (9.1) | 3310 (13.7) |
Mean SBP (2008–2011), mean [SD] | 120.9 [13.1] | 120.8 [12.3] | 120.4 [12.6] | 121.5 [14.2] |
Visit-to-visit variability, mean [SD] | ||||
SD (mmHg) | 7.5 [3.9] | 3.8 [1.3] | 6.9 [1.1] | 11.7 [3.5] |
CV (%) | 6.2 [3.1] | 3.1 [1.0] | 5.8 [0.7] | 9.6 [2.4] |
VIM (%) | 3.3 [1.6] | 1.7 [0.5] | 3.1 [0.4] | 5.1 [1.3] |
ARV (mmHg) | 8.9 [5.2] | 4.6 [2.0] | 8.4 [2.5] | 13.8 [5.3] |
