From: Involvement of school students in fights with weapons: prevalence and associated factors in Brazil
 | Total |  |
---|---|---|
Variables | % | 95 % CI |
Sociodemographic characteristics | ||
 Sex | ||
  Female | 52.16 | (51.69–52.62) |
  Male | 47.84 | (47.38–48.31) |
 Age group | ||
   < 11 | 0.00 | (0.00–0.10) |
  12 | 0.73 | (0.66–0.81) |
  13 | 22.13 | (21.73–22.54) |
  14 | 45.55 | (45.08–46.02) |
  15 | 18.35 | (18.00–18.71) |
  16 | 8.37 | (8.13–8.63) |
  17 | 3.19 | (3.03–3.35) |
  18 | 0.97 | (0.89–1.15) |
   ≥ 19 | 0.67 | (0.61–0.74) |
 Ethnicity/skin color | ||
  White | 36.78 | (36.32–37.23) |
  Black | 13.36 | (13.03–13.69) |
  Yellow | 4.10 | (3.92–4.28) |
  Brown | 42.24 | (41.78–42.71) |
  Indigenous | 3.53 | (3.36–3.70) |
 Type of school | ||
  Private | 17.2 | (16.8–17.5) |
  Public | 82.8 | (82.5–83.2) |
 Employment | ||
  No | 86.86 | (86.54–87.16) |
  Yes | 13.14 | (12.84–13.46) |
Health–risk behaviors | ||
 Cigarette smoking in the previous 30 days | ||
  No | 94.93 | (94.71–95.14) |
  Yes | 5.07 | (4,86–5.29) |
 Alcohol intake in the previous 30 days | ||
  No | 73.91 | (73.49–74.32) |
  Yes | 26.09 | (25.68–26.51) |
 Use of illicit drugs | ||
  No | 97.60 | (97.44–97.74) |
  Yes | 2.40 | (2.26–2.56) |
Mental Health | ||
 Insomnia | ||
  No | 90.30 | (90.01–90.58) |
  Yes | 9.70 | (9.42–9.99) |
 Close friends | ||
  One or more | 96.50 | (96.32–96.67) |
  None | 3.50 | (3.33–3.68) |
Parental supervision | ||
 Living with mother and/or father | ||
  Yes | 94.60 | (94.40–94.80) |
  No | 5.40 | (5.20–5.60) |
 Skipping classes without permission | ||
  No | 74.19 | (73.76–74.61) |
  Yes | 25.81 | (25.39–26.24) |
Context of violence | ||
 Suffering family violence | ||
  No | 89.40 | (89.10–89.69) |
  Yes | 10.60 | (10.31–10.90) |
 Suffering bullying | ||
  No | 92.83 | (92.58–93.08) |
  Yes | 7.17 | (6.92–7.42) |
 Unsafe on the way to and from and/or at school | ||
  No | 87.86 | (87.5–88.2) |
  Yes | 12.14 | (11.8–12.5) |