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. 2024 Feb 21;39(10):e84. doi: 10.3346/jkms.2024.39.e84

Table 1. Baseline characteristics of 2,085 participants recruited from the HOWOLD-BP study.

Characteristics Values (N = 2,085)
Age, yr 73.2 ± 5.60
Male 1,001 (48.0)
Body mass index, m/kg2 25.4 ± 3.17
Underweight (BMI ≤ 18.5 kg/m2) 24 (1.2)
Normal (18.5 kg/m2 < BMI < 23 kg/m2) 512 (24.6)
Overweight (23 kg/m2 ≤ BMI < 25 kg/m2) 431 (20.7)
Obesity (25 kg/m2 ≤ BMI) 1,118 (53.6)
Systolic blood pressure, mmHg 136.5 ± 15.23
Diastolic blood pressure, mmHg 74.7 ± 9.71
Control of HTN (SBP < 140 & DBP < 90) 1,260 (60.4)
Pulse (/min) 69.3 ± 12.87
WBC,a ×103/μL 6.44 ± 1.70
Hemoglobin,b g/dL 13.5 ± 1.46
Platelet,c ×103/μL 217.4 ± 55.18
Nad 140.9 ± 2.38
Kd 4.4 ± 0.40
Creatinine,e mg/dL 0.88 ± 0.285
BUNf 17.9 ± 7.12
eGFRe 81.43 ± 16.33
Past medical history
Diabetes 603 (28.9)
Dyslipidemia 1,387 (66.5)
Stroke 126 (6.0)
Myocardial infarction 164 (7.9)
Admission 1,314 (63.0)
Surgery 1,039 (49.8)
Coronary revascularization 410 (19.7)
Cigarette smoking status
Non-smoker 1,337 (64.1)
Past smoker 612 (29.4)
Current smoker 136 (6.5)
Alcohol drinking (time/wk)
Never 1,458 (69.9)
1 337 (16.2)
2–3 193 (9.3)
4+ 97 (4.7)
Physical activity
None 251 (12.0)
Active lifestyle with no exercise 456 (21.9)
Irregular exercise 283 (13.6)
Regular exercise 1,095 (52.5)
Dizziness (yes) 33 (1.6)
Orthostatic hypotension (yes) 24 (1.2)
Syncope/AKI/electrolyte imbalance/falls/hypotension (yes) 103 (4.9)
Dependent IADL 62 (3.0)
Gait speed (m/sec)g 1.0 ± 0.266
Slow gait speed (≤ 0.8 m/sec)g 577 (27.7)
Grip strengthg 25.94 ± 8.63
Low grip strengthg (men: ≤ 28 kg; women: ≤ 18 kg) 609 (29.2)
Frailty (Robust/Prefrail/Frail)h 1,498 (71.8)/503 (24.1)/82 (3.9)
Eq-5D-5Le 0.9377 ± 0.08921
MoCA-Ki 24.4 ± 4.59
Cognitive decline (MoCA-K < 23) 521 (25.0)

Values are presented as number (%) or mean ± standard deviation.

HOWOLD-BP = HOW to Optimize eLDerly systolic BP, BMI = body mass index, HTN = hypertension, SBP = systolic blood pressure, DBP = diastolic blood pressure, WBC = white blood cell, BUN = blood urea nitrogen, eGFR = estimated glomerular filtration rate, AKI = acute kidney injury, IADL = instrumental activities of daily living.

a11 patients were missing, b9 patients were missing, c12 patients were missing, d22 patients were missing, e3 patients were missing, f4 patients were missing, g7 patients were missing, h2 patients were missing, i10 patients were missing.