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. Author manuscript; available in PMC: 2010 Apr 21.
Published in final edited form as: Psychol Trauma. 2009;1(2):91–106. doi: 10.1037/a0016012

Table 5.

Comparison of PTS Positives, PTS Negatives, and Controls

PTS Positives (n = 23) PTS Negatives (n = 99) Controls (n = 78) F/X2 p
Age1
Mean (SD) 11.22 (4.11) 12.38 (3.24) 10.32 (3.03) 8.77 < .01
Gender (n %) 1.07 .35
 Girls 15 (65) 48 (48) 39 (50)
 Boys 8 (35) 51 (52) 39 (50)
Ethnicity (n %) 0.30 .86
 White 10 (44) 46 (47) 36 (46)
 African American 11 (48) 36 (36) 33 (43)
 Hispanic 1 (4) 9 (9) 4 (5)
 Asian 0 (0) 4 (4) 0 (0)
 Other 1 (4) 4 (4) 5 (6)
Household income (n%) 1.82 .17
 0–11,999 9 (39) 24 (24) 14 (18)
 12,000–20,999 4 (17) 12 (12) 13 (17)
 21,000–30,999 2 (9) 8 (8) 15 (19)
 31,000–40,999 1 (4) 6 (6) 7 (9)
 41,000–50,999 4 (17) 20 (20) 7 (9)
 Over 51,000 3 (13) 27 (27) 21 (27)
Physical Severity 2.80(2.70) 2.56(2.65) n/a 0.16 .69
Psychological Intensity 3.15(2.4) 3.28(2.65) n/a 0.05 .83
Related Symptoms
Mean (SD)
CBCL Internalizing2,3 59.36(10.21) 51.52(11.91) 49.24(12.92) 5.81 < .01
CBCL Externalizing2,3 57.14(7.85) 50.65(11.03) 49.01(10.41) 5.01 < .01
RCADS Anxiety2,3 78.43(20.42) 60.68(13.96) 63.09(16.58) 11.25 < .01
RCADS-P Anxiety2 56.50(11.75) 51.32(9.92) 49.46(9.54) 4.13 .02
RCADS Depression2,3 21.09(6.16) 15.74(4.20) 16.58(4.50) 12.11 < .01
RCADS-P Depression2,3 15.55(4.73) 13.12(3.06) 12.77(3.19) 5.98 < .01

Notes. CBCL= Child Behavior Checklist; RCADS = Revised Children’s Anxiety and Depression Scale; P = Parent Report; n/a = not applicable. One of the control participants did not report their family income.

1

A Tukey HSD post hoc test indicates a significant difference in age between the PTS negative and control groups, p < .05.

2

A Tukey HSD post hoc test indicates a significant difference between PTS positive and control groups, p <.05.

3

A Tukey HSD post hoc test indicates a significant difference between PTS positive and PTS negative groups, p < .05.