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Table 1 Characteristics and lung function measures of the study sample, overall and separately for men and women

From: Adiposity markers and lung function in smokers: a cross-sectional study in a Mediterranean population

Variables Men (n = 386) Women (n = 352) All (n = 738)
Sociodemographic
Age, years 52.87 ± 8.23 48.90 ± 7.39 50.98 ± 8.08
Marital status, n (%)
 Married 299 (77.5) 226 (64.2) 525 (71.1)
 Widower 3.0 (0.8) 19 (5.4) 22 (3.0)
 Single 46 (12.0) 39 (11.1) 85 (11.6)
 Separated/Divorced 35 (9.1) 66 (18.9) 101 (13.8)
Social classa, n (%)
 High 62 (16.1) 51 (14.5) 113 (15.4)
 Medium 176 (46.0) 148 (42.0) 324 (43.9)
 Low 145 (37.6) 151 (42.9) 296 (40.1)
Medical history, n (%)
 Diabetes mellitus 49 (12.7) 18 (5.1) 67 (9.1)
 Dyslipidaemia 115 (29.8) 64 (18.2) 179 (24.3)
 Hypertension 112 (29.0) 68 (19.3) 180 (24.4)
 Cardiovascular disease 18 (4.7) 4 (1.1) 22 (3.0)
 Central obesity 72 (18.6) 92 (26.1) 164 (22.2)
Health habits
 Alcohol consumption, standard drink/week 7 (0–9) 0 (0–2) 1 (0–9)
 Physical activity, hours/week 2.42 ± 0.26 2.20 ± 0.19 2.31 ± 0.16
Smoking
 Start smoking age, years 17.10 ± 4.73 18.71 ± 6.44 17.87 ± 5.65
 Current consumption, cigarettes/day 20.72 ± 11.94 17.63 ± 9.30 19.25 ± 10.87
 Cumulative consumption, pack-years 36.77 ± 23.55 26.96 ± 16.62 32.09 ± 21.10
Anthropometric and body composition
 Weight, kg 80.38 ± 13.46 66.82 ± 14.15 73.92 ± 15.36
 Height, cm 170.30 ± 6.93 158.35 ± 6.79 164.61 ± 9.09
 BMI, kg/m2 27.63 ± 0.22 26.65 ± 0.28 27.16 ± 0.17
BMI categorizationb, n (%)
  < 25.0 kg/m2 90 (23.3) 153 (44.5) 243 (32.9)
 25.0–29.9 kg/m2 184 (47.7) 119 (33.8) 303 (41.1)
  ≥ 30.0 kg/m2 102 (26.4) 73 (21.2) 175 (23.7)
 Waist circumference, cm 98.75 ± 10.44 92.27 ± 16.55 96.0 ± 13.73
 Waist-to-height ratio 0.58 ± 0.06 0.59 ± 0.10 0.58 ± 0.82
Lung function parameters
 FVC, % of predicted 89.14 ± 0.84 98.10 ± 0.77 93.49 ± 0.59
 FEV1, % of predicted 90.50 ± 0.96 99.73 ± 0.82 94.93 ± 0.66
 FEV1/FVC ratio (%) 76.13 ± 0.40 78.59 ± 0.35 77.32 ± 0.27
  1. Data are presented as number of patients (%) or mean ± standard deviation or median ± range depending on the type of variable
  2. BMI Body mass index, SBP Systolic blood pressure, DBP Diastolic blood pressure, ppm Parts per million, FVC Forced vital capacity, FEV1 Maximum expiratory volume in the first second of a forced exhalation
  3. aAccording to the National Occupational Classification proposed by the Spanish Society of Epidemiology and the Spanish Society of Family and Community Medicine [41]
  4. bAccording to the WHO classifications of body weight [7]