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. Author manuscript; available in PMC: 2010 Apr 30.
Published in final edited form as: Arch Gen Psychiatry. 2004 Apr;61(4):403–410. doi: 10.1001/archpsyc.61.4.403

Table 1.

Prevalence (%) of Trauma by Sex and Race/Ethnicitya

Males
Females
Analyses
Comparing
Sex
Total
(N=898)
Totalb
(N=532)
African
American
(N=247)
Non- Hispanic
White
(N=107)
Hispanic
(N=177)
Analyses Comparing
Race/Ethnicity
Protected
Testsc
Totald
(N=366)
African
American
(N=243)
Non-Hispanic
White
(N=47)
Hispanic
(N=75)
Analyses Comparing
Race/Ethnicity
Protected
Testsc

Ever Traumatized F df p F df p F df p
 Ever experienced any trauma listed (%) 92.5 93.2 94.0 89.8 90.8 0.62 2, 522 0.925 84.0 85.8 76.8 81.6 0.93 2, 362 0.313 6.42 1, 880 0.024e
 Mean # of traumas 14.6 14.6 15.2 14.7 11.9 0.56 2, 885 0.573 14.2 13.2 11.6 19.4 1.50 2, 885 0.224 0.02 1, 886 0.878
Type of Traumaf % % % % % % % % %
 Ever been in a situation where you thought you/someone close to you was going to be hurt very badly or die? (N=439) 53.2 53.5 54.2 52.7 50.8 0.08 2, 522 0.925 49.1 47.0 53.7 55.2 1.17 2, 357 0.313 1.02 1, 881 0.312
 Ever been attacked physically, or beaten badly? (N=332) 35.3 35.7 32.3 57.8 43.8 6.11 2, 521 0.016e Non-Hispanic White > African American 30.9 26.7 32.6 46.9 5.34 2, 357 0.040e Hispanic > African American 1.23 1, 880 0.268
 Ever been threatened with a weapon? (N=490) 58.4 59.3 59.2 75.0 54.6 4.11 2, 521 0.118e 47.3 47.9 36.8 50.6 1.12 2, 357 0.326 5.82 1, 880 0.096e
 Ever forced to do something sexual that you did not want to do? (N=130) 4.4 2.4 2.2 5.3 2.9 0.87 2, 522 0.419 29.6 31.0 27.4 24.9 0.59 2, 357 0.556 36.83 1, 881 <.001e
 Ever been in a bad accident, like a car accident? (N=234) 33.1 34.0 35.5 38.2 26.1 1.15 2, 522 0.317 21.9 19.0 33.3 27.9 2.93 2, 356 0.055 7.41 1, 881 0.046e
 Ever in a fire, flood, tornado, earthquake, or other natural disaster where you thought you were going to die or be seriously injured? (N=93) 10.5 10.5 11.4 8.0 7.1 0.65 2, 521 0.523 10.6 10.7 8.4 11.4 0.14 2, 357 0.870 0.01 1, 880 0.986
 Other than on T.V./movies, ever seen/heard someone get hurt very badly or be killed? (N=595) 74.1 74.9 76.0 60.6 74.2 3.06 2, 521 0.287e 63.5 65.2 60.0 58.1 0.78 2, 357 0.459 5.70 1, 880 0.085e
 Ever very upset by seeing a dead body/pictures of a dead body of someone you knew well? (N=224) 23.5 23.1 24.5 16.8 18.9 0.93 2, 522 0.395 27.9 30.2 23.2 21.0 1.48 2, 356 0.228 1.20 1, 880 0.274
a

Each cell is weighted to reflect the population of the detention center. Because females comprise only 7.3% of the detention center population, overall rates cannot be computed by averaging males’ and females’ rates. To protect against Type I error, each group of tests is Bonferroni-adjusted beginning with the lowest alphas to the highest; for this reason, the probability of Type I error may not be a monotonic function of the F statistics. We present Bonferroni-adjusted p values for tests that were originally significant at .05. Tests for mean numbers of trauma are computed with the poisson regression for survey data module in Stata 8.0.

b

One male, who self-identified as “other,” is excluded from the analysis of race/ethnicity.

c

Protected tests are performed only if the Bonferroni-adjusted tests are significant at .05.

d

One female, who self-identified as “other,” is excluded from the analysis of race/ethnicity.

e

Bonferroni-adjusted test.

f

Subjects may have experienced more than one trauma.