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Table 1 Population characteristics, lung function and physical activity measurements

From: Association of physical activity with lung function in lung-healthy German adults: results from the KORA FF4 study

  Males (n = 152) Females (n = 189)
Age
 mean years (SD) 57.1 (5.8) 57.5 (5.3)
Height *
 mean cm (SD) 177.0 (6.0) 162.1 (6.0)
Weight *
 mean kg (SD) 88.8 (13.5) 71.5 (14.4)
BMI*
 n normal (BMI < 25) (%) 27 (17.8) 79 (41.8)
 n overweight (≥ 25 BMI <30) (%) 83 (54.6) 61 (32.3)
 n obese (BMI ≥ 30) (%) 42 (27.6) 49 (25.9)
Smoking status*
 n never smokers (%) 61 (40.1) 98 (51.9)
 n ex-smokers (%) 77 (50.7) 58 (30.7)
 n current smokers (%) 14 (9.2) 33 (17.5)
Education*
 n low (< 10 years of school) (%) 68 (44.7) 84 (44.4)
 n medium (10 years of school) (%) 34 (22.4) 66 (34.9)
 n high (> 10 years of school) (%) 50 (32.9) 39 (20.6)
Hay fever
 n yes (%) 22 (14.5) 43 (22.8)
Problems in walking about, and/or pain or discomfort
 n not at all/slight (%) 135 (88.8) 154 (81.9)
 n moderate/extreme (%) 17 (11.2) 34 (18.1)
Lung function
 FEV1*
  mean l (SD) 3.76 (0.57) 2.66 (0.42)
 FVC*
  mean l (SD) 4.88 (0.71) 3.39 (0.56)
 FEV1/FVC*
  mean % (SD) 77.08 (3.93) 78.5 (4.14)
 FEF25-75*
  mean l/s (SD) 3.16 (0.91) 2.37 (0.63)
 Z-score FEV1
  mean (SD) 0.25 (0.86) 0.32 (0.91)
 Z-score FVC
  mean (SD) 0.29 (0.80) 0.35 (0.87)
 Z-score FEV1/FVC
  mean (SD) −0.12 (0.58) −0.15 (0.63)
 Z-score FEF25-75
  mean (SD) −0.01 (0.78) −0.01 (0.80)
 TLCO, hemoglobin adjusted*
  mean mmol/min/kPa (SD) 9.88 (1.50) 6.90 (1.07)
 TLCO/VA*
  mean mmol/min/kPa/l (SD) 1.45 (0.16) 1.38 (0.18)
 PImax*
  mean kPa (SD) 9.77 (2.53) 6.67 (2.12)
Physical activity
 MVPA*
  median of mean min/day (1st; 3rd quartile) 35.2 (21.6; 49.9) 28.3 (17.2; 46.7)
 10-min bout of MVPA achieved
  n yes (%) 104 (68.4) 120 (63.5)
 WHO threshold achieved
  n yes (%) 24 (15.8) 26 (13.8)
  1. SD standard deviation, BMI body mass index, FEV 1 forced expiratory volume in 1 s, FVC forced vital capacity, FEF 25-75 forced expiratory flow between 25% and 75% of FVC, TLCO/VA transfer factor of the lung for carbon monoxide adjusted for hemoglobin and divided by alveolar volume, PI max maximum inspiratory mouth pressure, MVPA moderate to vigorous physical activity
  2. *p < 0.05 (males vs. females)