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Table 1 Prevalence of behavioral risk factors for cardiovascular health according to the independent variables among Brazilian adolescents

From: The prevalence and correlates of behavioral risk factors for cardiovascular health among Southern Brazil adolescents: a cross-sectional study

   Behavioral risk factors for cardiovascular health (%)
Variables n (%) Insufficiently Excessive Current Current Daily Inadequate fruit
   active TV watching alcohol tobacco soft drinks and vegetable
     use use consumption consumption
Gender        
 Boys 773 (52.5) 34.3* 31.4* 32.0 6.9 53.3* 33.1*
 Girls 855 (47.5) 65.1 26.3 32.9 8.9 42.5 37.7
Age groups        
 11-12.9 years 446 (27.4) 46.0 26.2 15.9** 2.0** 44.4 32.3
 13-14.9 years 618 (38.0) 52.4 31.1 35.1 9.1 50.0 37.2
 15-17.9 years 564 (34.6) 52.0 28.2 42.6 11.3 47.5 36.2
Economic class        
 A1 + A2 (best condition) 93 (5.7) 37.6 40.9** 49.5** 11.8 58.1** 36.6
 B1 + B2 1011 (62.1) 53.0 29.6 31.0 7.8 50.0 35.2
 C + D + E (worst condition) 524 (32.2) 47.9 25.0 32.3 7.4 41.2 35.9
Head of household’s schooling        
 ≤ 4 years 158 (9.7) 48.1 19.0** 36.1 7.6 46.2 36.7
 4-8 years 438 (26.9) 50.2 26.0 33.1 7.3 48.6 34.5
 9-11 years 649 (39.9) 49.3 31.7 32.8 8.6 49.6 35.6
 ≥ 12 years 383 (23.5) 53.8 30.8 29.5 7.6 47.6 36.0
Employment status        
 No 1340 (82.3) 51.3 30.2* 29.4* 6.3* 46.4* 36.0
 Yes 288 (17.7) 46.9 21.9 46.5 15.3 53.1 33.3
Weekly PE class        
 3 classes 890 (54.7) 47.1** 27.5 30.4** 7.8 48.8** 36.1
 1-2 classes 554 (34.0) 53.1 29.1 32.7 7.8 48.0 32.7
 No class/dispensed 184 (11.3) 59.2 33.7 41.3 9.2 40.8 41.3
Active time during a PE class        
 30 or more minutes 715 (43.9) 41.8** 28.7 28.2** 5.5** 49.7** 33.1
 Until 30 minutes 647 (39.7) 56.4 27.5 33.8 10.2 47.9 36.6
 Did not participate/dispensed 266 (16.3) 59.4 32.0 40.2 9.0 41.4 39.1
 Organized physical activity        
 Yes 559 (34.3) 27.0** 29.7 30.4 8.2 51.7* 27.7*
 No 1069 (65.7) 62.8 28.3 33.5 7.8 45.5 39.6
Use of computer/video games daily during leisure time        
 No 531 (32.6) 49.7 2.6* 27.5* 6.6 39.9* 34.3
 Yes 1097 (67.4) 50.9 41.4 34.8 8.6 51.3 36.1
  1. PE = physical education.
  2. * Qui-square test for heterogeneity, p < 0.05.
  3. ** Qui-square test for linear trend, p < 0.05.