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Table 1 Descriptive statistics of the study sample stratified by gender (n = 9068)

From: Exploring the intersectionality of family SES and gender with psychosocial, behavioural and environmental correlates of physical activity in Dutch adolescents: a cross-sectional study

  Total Males Females
  Mean (S.D.) Min-Max Mean (S.D.) Mean (S.D.)
Outcome variable
Physical activity
  Number of days per week engaging in at least one hour of physical activity 4,2 (2,1) (0–7) 4,4 (2,0) 3,9 (2,1)
Family SES
 Low 730 8.1 7.1 9.0
 Middle 2861 31.6 28.9 34.3
 High 5477 60.4 64.0 56.7
Socio-demographic characteristics
Gender
  Males 4577 50.5 100.0  
  Females 4491 49.5   100.0
Age
   ≤ 13 years 3321 36.6 34.8 38.5
  14 years 1591 17.5 18.6 16.5
  15 years 2420 26.7 25.4 28.0
   ≥ 16 years 1736 19.1 21.3 17.0
Migration background
  Non-Western immigrants 3030 33.4 33.4 33.4
  Western immigrants 677 7.5 7.8 7.1
  Native Dutch 5361 59.1 58.8 59.5
Educational level
  Basic pre-vocational secondary education 3017 33.1 34.2 32.3
  Theoretical pre-vocational secondary education 2757 30.4 29.9 30.9
  Secondary education 1541 17.0 17.0 17.0
  Pre-university education 1753 19.3 18.9 19.8
Municipality
  Rotterdam 3339 36,8 36,3 37,4
  Surrounding municipalities 5729 63,2 63,7 62,6
Behavioural factors
Risk of problematic social media use
  No or very little risk 7761 87.0 92.0 82.0
  High risk 1156 13.0 8.0 18.0
Risk of problematic gaming
  No or very little risk 8299 93.3 88.4 98.2
  High risk 597 6.7 11.6 1.8
Daily smoking
  No 8665 95.6 96.1 95.1
  Yes 398 4.4 3.9 4.9
Cannabis use in the last 4 weeks
  No 8640 95.4 94.0 96.8
  Yes 417 4.6 6.0 3.2
Binge drinker
  No 7652 84.4 84.3 84.6
  Yes 1409 15.6 15.7 15.4
Daily breakfast consumption
  Yes 6161 68.0 72.4 63.4
  No 2903 32.0 27.6 36.6
Daily fruit consumption
  Yes 2783 30.7 28.9 32.5
  No 6279 69.3 71.1 67.5
Daily vegetable consumption
  Yes 3672 40.5 37.6 43.5
  No 5393 59.5 62.4 56.5
Daily water drinking
  Yes 5678 62.6 62.1 63.1
  No 3390 37.4 37.9 36.9
Psychosocial factors
Peer social support
  High score on social support 8289 92.0 90.3 93.6
  Low score on social support 725 8.0 9.7 6.4
  Self-perceived health
  Good or very good 8040 88.7 91.1 86.3
  Bad or very bad 1024 11.3 8.9 13.7
Environmental factors
Connection with the neighbourhood
  Strong connection with the neighbourhood 7878 88.6 89.2 87.9
  Weak connection with the neighbourhood 1018 11.4 10.8 12.1