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Table 1 Characteristics of total Donor InSight (DIS)-III study population and subsample with accelerometer data

From: The association between population density and blood lipid levels in Dutch blood donors

  Total DIS-III population Subsample of DIS-III with accelerometer data
n = 2547 n = 740
Sex (n (%) males) 1143 (45) 338 (46)
Age (years) 48 ± 13 50 ± 13
Education
 Low (n (%)) 1636 (64) 478 (65)
 High (n (%)) 899 (35) 259 (35)
IPAQ
 Sedentary behavior (minutes per day) 480 (300–660) 480 (300–600)
 MVPA (minutes per day) 51 (21–113) 51 (21–119)
 150 min or more per week MVPA (n (%)) 1631 (64) 492 (66)
Accelerometer
 Sedentary behavior (minutes per day) 549 ± 87
 MVPA (minutes per day) 29 (19–45)
 150 min or more per week MVPA (n (%)) 492 (66)
Current smoker (n (%)) 201 (9) 62 (8)
Alcohol consumption (yes) (n (%)) 2067 (81) 609 (82)
Lipid modifying medication (yes) (n (%)) 142 (6) 43 (6)
Blood lipids
 Total cholesterol (mmol/L) 5.05 ± 0.98 5.11 ± 0.97
 HDL cholesterol (mmol/L) 1.49 ± 0.40 1.53 ± 0.42
 LDL cholesterol (mmol/L) 2.89 ± 0.84 2.92 ± 0.84
 Triglycerides (mmol/L) 1.29 (0.93–1.81) 1.27 (0.93–1.74)
 TC/HDL ratio (mmol/L) 3.43 (2.80–4.18) 3.37 (2.78–4.14)
  1. Binary data are shown as numbers (%) and continuous data are shown as mean ± standard deviation or as median (interquartile range) in case of skewed data
  2. MVPA moderate to vigorous physical activity, HDL cholesterol high density lipoprotein cholesterol, LDL cholesterol low density lipoprotein cholesterol, TC/HDL cholesterol total cholesterol/high density lipoprotein cholesterol ratio, IPAQ International Physical Activity Questionnaire