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. 2022 Apr 21;17(4):e0267427. doi: 10.1371/journal.pone.0267427

Table 1. Characteristics of 652 adults participating in the fifth examination of the Copenhagen City Heart Study.

N = 652
Characteristics n (%) / Median (Q1, Q3)
Accelerometer wear time 652 (100.0)
    Median h/day 23.8 (23.1, 24.0)
Number of valid days of measurement 652 (100.0)
    Median number of days 6.0 (6.0, 7.0)
Working hours 652 (100.0)
    Median h/day 7.6 (6.7, 8.3)
Number of workdays 652 (100.0)
    Median number of days 4.0 (3.0, 4.0)
Sex distribution 652 (100.0)
    Women 378 (58.0)
    Men 274 (42.0)
Age 652 (100.0)
    Median years 48.6 (36.1, 57.1)
Number of years of education 652 (100.0)
    Median years 13.0 (12.0, 14.0)
Level of education 651 (99.9)
    No further education beyond primary school 47 (7.2)
    Short education (up to 3 years) 44 (6.8)
    Vocational or comparable education (1–3 years) 105 (16.1)
    Higher education (≥3 years) 176 (27.0)
    University education 279 (42.9)
Household income 644 (98.8)
    Low (<200 000 DKK) 69 (10.7)
    Middle (200 000–600 000 DKK) 238 (37.0)
    High (≥600 000 DKK) 337 (52.3)
Smoking status 639 (98.0)
    Non-smoker 295 (46.2)
    Previous smoker 253 (39.6)
    Current smoker 91 (14.2)
Average weekly number of units of alcohol per week 594 (91.1)
    Median units/week 6.0 (3.0, 11.0)
Use of prescribed medication 652 (100.0)
    Yes 49 (7.5)
Self-reported general health 648
    Excellent or Very good 328 (50.6)
    Good 256 (39.5)
    Less good or Poor 64 (9.9)
Systolic blood pressure 652 (100.0)
    Median (mmHg) 127.8 (117.5, 138.0)
Diastolic blood pressure 652 (100.0)
    Median (mmHg) 77.0 (70.5, 83.5)
Blood pressure classification 652 (100.0)
    Normal 486 (74.5)
    Grade 1 hypertension 147 (22.6)
    Grade 2 or 3 hypertension 19 (2.9)
Waist circumference 652 (100.0)
    Median (cm) 83.0 (76.0, 92.0)
Waist circumference classification 652 (100.0)
    Women >80 cm 413 (63.3)
    Men >94 cm 239 (36.7)
BMI 652 (100.0)
    Underweight 7 (1.1)
    Normal 393 (60.3)
    Overweight 203 (31.1)
    Obese 56 (8.6)
Low density lipoprotein cholesterol 652 (100.0)
    Median (mmol/L) 3.0 (2.5, 3.7)

N/n, number of observations.

y, years.

Q1-Q3, first and third quartile.

DKK, Danish kroner.

mm Hg, millimetre of mercury.

Blood pressure classification is based on the 2013 European Society of Hypertension/European Society of Cardiology guidelines for the management of arterial hypertension (the normal category includes high normal).

BMI, body mass index.

BMI was classified according to the WHO classification (Underweight, <18.5 kg/m2; Normal weight, 18.5-<25.0 kg/m2; Overweight, 25.0-<30.0 kg/m2; Obese, ≥30 kg/m2.

mmol/L, millimol per litre (molar concentration).