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Table 3 Prevalence of PTSD according to individual, family and community variables (n=862)

From: Posttraumatic stress disorder among adolescents in Brazil: a cross-sectional study

Variables % PTSD OR IC95%
Individual variables
 Social functional impairment With impairment (n = 504) 11.3 4.825 1.776–13.105
Without impairment (n = 358) 2.6
 Resilience Resilient (N = 554) 8.9
Not resilient (n = 82) 6.7 0.742 0.261–2.107
Family variables
 Severe physical violence of the mother (last year) Presence (N = 153) 13.5 2.794 0.786–9.929
Absence (N = 600) 6.6
 Severe physical violence of the father (last year) Presence (N = 66) 16.2 0.625 0.039–10.028
Absence (N = 656) 6.5
 The relationship with the parents involved a sexual experience Yes (N = 16) 5.1 0.625 0.039–10.028
No (N = 842) 7.8
 Psychological violence Presence (N = 123) 19.2 3.96 1.887–8.309
Absence (N = 632) 5.7
 Affective support (Social support) Score 0.985 0.968–1.003
 Positive interaction (Social support) Score 0.988 0.969–1.006
 Emotional support (Social support) Score 0.985 0.969–1.003
 Information support (Social support) Score 0.981 0.964–0.999
 Material support (Social support) Score 0.984 0.963–1.005
Community Variables
 School Violence 2 or more (N = 147) 11.3 2.362 0.889–6.27
One (N = 198) 9.7 2.007 0.844–4.77
None (N = 476) 5.1
 Community Violence 2 or more (N = 169) 13.4 3.518 1.473–8.402
One (N = 176) 11.2 2.856 1.181–6.905
None (N = 485) 4.2