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. Author manuscript; available in PMC: 2011 Oct 17.
Published in final edited form as: Psychol Health Med. 2010 Oct;15(5):574–583. doi: 10.1080/13548506.2010.507770

Table 1. Adolescent demographic characteristics by injury type requiring medical attention.

Unintentional
injury only
(n = 35)
One type of
intentional
injury a
(n = 15)
Two types of
intentional
injuries b
(n = 16)
Test of significance
Sex (%) X2(2) = 5.6; p = .060
 Male 77.1% 100.0% 93.8%
 Female 22.9% 0.0% 6.3%
Ethnicity (%) X2(6) = 8.2; p = .227
 Black 14.3% 26.7% 18.8%
 Latino, Mexican 60.0% 73.3% 50.0%
 Latino, Central/
  South American
11.4% 0.0% 25.0%
 Other 14.3% 0.0% 6.3%
Grade (%) X2(6) = 14.7; p = .023
 10th 13.8% 8.3% 0.0%
 11th 34.5% 8.3% 6.3%
 12th 24.1% 16.7% 12.5%
 Not in school 27.6% 66.7% 81.3%
Family member has/had
 alcohol problem (%)
17.1% 33.3% 56.3% X2(2) = 8.0; p = .018
Country of Birth (%) X2(2) = 1.9; p = .390
 USA 82.9% 93.3% 75.0%
 Other 17.1% 6.7% 25.0%
Mean (SD) age 17.3 (1.5) 18.1 (1.8) 18.3 (0.9) F(2,63) = 3.1; p = .053
a

Injured due to either fighting or was physically attacked.

b

Injured due to fighting and was physically attacked.