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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: J Nerv Ment Dis. 2009 Sep;197(9):639–645. doi: 10.1097/NMD.0b013e3181b3b127

Table 1.

Correlation Matrix with means and standard deviations

PDS1 PDS2 PDS3 PSS1 PSS2 PSS3
PDS1 1.00
PDS2 0.50 1.00
PDS3 0.46 0.66 1.00
PSS1 −0.20 −0.18 −0.11 1.00
PSS2 −0.17 −0.45 −0.24 0.29 1.00
PSS3 −0.24 −0.39 −0.40 0.13 0.48 1.00
Mean 30.37 28.38 27.43 2.66 2.53 2.69
SD 11.44 11.94 11.44 .786 .893 .751
N 287 194 193 287 191 197

Note. PDS is the total PTSD severity score, 1=1-month assessment; 2=6-month assessment; and 3=12-month assessment. PSS is the perceived social support score. The pairwise correlations are all significant at p<0.05.