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Table 1 Characteristics of participants

From: Correlates of sedentary time in different age groups: results from a large cross sectional Dutch survey

  4–11 years 12–17 years 18–29 years 30–49 years 50–64 years ≥ 65 years
N % or mean (SD) N % or mean (SD) N % or mean (SD) N % or mean (SD) N % or mean (SD) N % or mean (SD)
Questionnaire 1895   1131   1938   4263   1802   1569  
 Online   336 29.7 1757 90.7 3515 82.5 1411 78.3 21 1.3
 Telephone 100.0 795 70.3 181 9.3 748 17.5 391 21.7 1548 98.7
Gender (%) 1895   1131   1938   4263   1802   1569  
 Male 990 52.2 541 47.8 858 44.3 2348 55.1 1065 59.1 638 40.7
 Female 905 47.8 590 52.2 1080 55.7 1915 44.9 737 40.9 931 59.3
Age (years) 1895 7.6 (2.3) 1131 14.2 (1.7) 1938 23.6 (3.5) 4263 39.5 (5.6) 1802 55.2 (3.8) 1569 72.6 (5.9)
Weight category (%)a 1579   1036   1885   4106   1766   1514  
 Underweight 362 22.9 121 11.7 349 18.5 215 5.2 45 2.5 57 3.8
 Normal weight 957 60.6 815 78.7 1069 56.7 1736 42.3 624 35.3 610 40.3
 Overweight 260 16.5 100 9.7 467 24.8 2155 52.5 1097 62.1 847 55.9
Urbanity (%) b 1802   1084   1922   4215   1775   1448  
 Non-urban 319 17.7 190 17.5 188 9.8 477 11.3 222 12.5 197 13.6
 Slightly urban 471 26.1 262 24.2 353 18.4 856 20.3 364 20.5 331 22.9
 Moderately urban 388 21.5 256 23.6 380 19.8 892 21.2 394 22.2 309 21.3
 Highly urban 420 23.3 266 24.5 597 31.1 1281 30.4 505 28.5 387 26.7
 Very highly urban 204 11.3 110 10.1 404 21.0 709 16.8 291 16.4 224 15.5
One or more chronic diseases (%) 1895 9.0 1131 12.2 1938 13.7 4263 20.8 1802 28.0 1569 34.0
Education level breadwinner (%)c 1858   834   1726   4093   1742   1526  
 Low 319 17.2 163 19.5 204 11.8 646 15.8 462 26.5 850 55.7
 Middle 799 43.0 342 41.0 597 34.6 1752 42.8 652 37.4 385 25.2
 High 740 39.8 329 39.4 925 53.6 1695 41.4 628 36.1 291 19.1
Sedentary work (%) N/A N/A N/A N/A 1606 47.3 4126 58.4 1731 54.8 N/A N/A
Working hours/week N/A N/A N/A N/A 1638 30.1 (14.3) 4248 35.1 (11.9) 1801 33.5 (12.5) N/A N/A
Sedentary time school/workday (hours/day) 1886 6.3 (2.6) 1122 9.3 (3.3) 1881 9.7 (4.3) 4152 9.4 (4.7) 1700 9.4 (4.7) N/A N/A
Sedentary time non-school/non-work day (hours/day) 1756 3.8 (2.2) 1005 5.6 (3.4) 1804 5.8 (3.1) 3939 5.5 (3.2) 1658 5.8 (3.2) 1569 4.6 (2.9)
Meeting the MVPA guideline (%)d 1811 24.7 997 13.8 1938 44.1 4263 44.9 1802 48.7 1569 54.9
Meeting the VPA guideline (%)e 1777 33.0 1043 37.9 1816 25.1 4015 20.8 1711 19.2 1494 10.8
Sports participant (%)f 1895 68.2 1131 74.4 1938 61.0 4263 52.1 1802 52.8 1569 37.3
  1. a Age dependent cut off points for body mass index (BMI) were used in order to categorize children and adolescents into the weight categories: underweight, normal weight, and overweight. Body weight of adults and elderly was categorized into underweight (BMI < 20 kg/m2), normal weight (BMI 20–25 kg/m2) and overweight (BMI ≥ 25 kg/m2)
  2. b Based on postal codes
  3. c Lower education: no school graduation/lower general secondary education; Middle education: higher general secondary education/pre-university education/vocational school; High education: Bachelor or Master degree
  4. d Children (4–17 years) meet the moderate to vigorous intensity physical activity (MVPA) guideline if they engage in MVPA during at least 60 min a day at all days of the week, during summer- and wintertime. Adults and elderly meet the MVPA guideline if they engage in MVPA during at least 30 min a day at minimally five days a week, during summer- and wintertime
  5. e People of all age groups meet this guideline if they engage in vigorous intensity physical activity (VPA) during at least 20 min at least three times a week, during summer- and wintertime
  6. e Sports participant: Engaging in sports activities at least once a week or at least 40 times a year, regardless of the type of sport
  7. N/A not applicable