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Table 2 Health-risk behavior comparisons between boarding and non-resident students in Educational Institutions from the Brazilian National School Health Survey (PeNSE), Brazil

From: Health-risk behavior differences between boarding and non-resident students: Brazilian adolescent National School Health Survey

Variables aTotal N (%)Boarding Students %Non-residents %Chi-Square p-value
Sexual Behavior
 Prior sexual intercourse (n = 101,314)
  No72,815 (71.9)57.972.4< .001
  Yes28,499 (28.1)42.127.6 
 Age of first sexual intercourse b (n = 28,271)
  ≤ 12 years7382 (26.1)2925.9< .001
  13 and 14 years15,423 (54.6)45.555.1 
  ≥ 15 years5466 (19.3)25.519 
 Number of sexual partners b (n = 28,327)    
  110,193 (36)29.236.4< .001
  2 to 39143 (32.2)3132.3 
  4 or more8991 (31.7)39.731.3 
 Condom use during last sexual intercourse b (n = 27,335)    
  Yes18,905 (69.2)69.469.1.850
  No8430 (30.8)30.630.9 
Substance use
 Experience smoking (n = 101,626)
  No82,945 (81.6)76.381.8< .001
  Yes18,681 (18.4)23.718.2 
 Smoked during the last 30 days b (n = 18,623)
  None13,216 (71)56.671.7< .001
  1 to 2 days2878 (15.5)21.215.2 
  3 to 91322 (7.1)9.47 
  10 or more1207 (6.5)12.86 
 Experience drinking (n = 101,591)
  No48,998 (51.8)4848.2.785
  Yes52,593 (48.2)5251.8 
 Drinking during the last 30 days b (n = 52,503)
  None30,355 (57.8)49.558.1< .001
  1 to 9 days19,470 (37.1)39.337 
  10 or more2678 (5.1)11.34.9 
 Experience getting drunk b (n = 52,510)
  None32,292 (61.5)52.461.9< .001
  1 to 2 days13,316 (25.4)27.125.3 
  3 to 9 days4705 (9)118.9 
  10 or more2192 (4.2)9.54 
 Previous drug use (marijuana, cocaine, crack) (n = 101,544)
  No92,906 (91.5)87.991.6< .001
  Yes8638 (8.5)12.18.4 
 Used drugs in the last 30 days b (n = 8597)
  none4686 (54.5)37.955.4< .001
  1 to 2 days1990 (23.1)28.922.8 
  3 to 9 days1093 (12.7)16.612.5 
  10 or more828 (9.6)16.69.2 
  1. a For some variables, the totals are less than the total because of missing data; b Only where applicable