Table 2.
Brazilian adolescent characteristics and health-related behaviours from Pesquisa Nacional da Saude do Escolar surveys 2009, 2012 and 2015
| Adolescents characteristics and behaviours | PeNSE 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 consumption | 68.5 | (67.8 to 69.2) | 70.2 | (69.5 to 70.9) | 67.2 | (66.3 to 68.0) |
| Irregular vegetable consumption | 68.8 | (68.0 to 69.5) | 64.1 | (63.3 to 64.9) | 61.7 | (60.7 to 62.7) |
| Irregular bean consumption | 37.4 | (36.4 to 38.5) | 40.0 | (38.5 to 41.5) | 43.7 | (42.4 to 45.1) |
| Regular soft drink consumption | 37.2 | (36.3 to 38.2) | 35.4 | (34.6 to 36.2) | 28.8 | (27.9 to 29.8) |
| Irregular recreational physical activity | 83.0 | (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) |