Table 2

Brazilian adolescent characteristics and health-related behaviours from Pesquisa Nacional da Saude do Escolar surveys 2009, 2012 and 2015

Adolescents characteristics and behavioursPeNSE survey year
2009 (60 973 students)2012 (61 145 students)2015 (51 192 students)
Characteristics%95% CI%95% CI%95% CI
Sex (female)52.5(51.9 to 53.2)50.8(50.1 to 51.6)50.8(49.9 to 51.7)
Age (mean and SE)14.2(0.02)14.3(0.02)14.2(0.02)
Wealth index (mean and SE)3.8(0.03)4.0(0.06)4.0(0.06)
Behaviours
 Irregular fruit consumption68.5(67.8 to 69.2)70.2(69.5 to 70.9)67.2(66.3 to 68.0)
 Irregular vegetable consumption68.8(68.0 to 69.5)64.1(63.3 to 64.9)61.7(60.7 to 62.7)
 Irregular bean consumption37.4(36.4 to 38.5)40.0(38.5 to 41.5)43.7(42.4 to 45.1)
 Regular soft drink consumption37.2(36.3 to 38.2)35.4(34.6 to 36.2)28.8(27.9 to 29.8)
 Irregular recreational physical activity83.0(82.3 to 83.6)74.2(7.5 to 74.8)75.6(74.8 to 76.3)
 Alcohol use (once in the last month)27.1(26.3 to 28.0)26.8(25.8 to 27.7)23.2(22.2 to 24.2)
 Tobacco use (once in the last month)6.2(5.8 to 6.7)6.1(5.6 to 6.6)5.3(4.9 to 5.8)
 Drug use (once in the last month)3.3(3.0 to 3.6)3.8(3.4 to 4.2)2.5(2.2 to 2.7)
 Unsafe sex (in the last sexual intercourse)21.5(20.3 to 22.7)22.5(21.6 to 23.5)33.9(32.3 to 35.4)
 Domestic violence (once in the last month)9.5(9.1 to 10.0)11.6(11.1 to 12.1)16.2(15.5 to 16.9)
 Involvement in gun fights (once in the last month)4.0(3.7 to 4.3)6.9(6.6 to 7.3)5.6(5.2 to 6.1)
 Bullying victimisation (twice or more in the last month)14.2(13.6 to 14.7)16.5(15.9 to 17.1)21.7(21.1 to 22.4)