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. 2007 Jan 24;22(6):711–718. doi: 10.1007/s11606-006-0101-4

Table 2.

Bivariate Comparisons: Self-reported Healthcare Utilization for PTSD Screen Negative and Screen Positive Participants*

  PTSD screen negative (n = 433) PTSD screen positive (n = 244) p
Outpatient visits
Any visit (%) 67.3 78.0 .006
Visit for emotional problem (%) 15.4 47.5 <.001
Visit for physical problem (%) 65.2 74.3 .02
Mean number of visits (SD) 3.6 (6.6) 6.8 (10.2) <.001
Mean number of visits: emotional problem (SD) 0.4 (1.6) 2.5 (5.0) <.001
Mean number of visits: physical problem (SD) 3.2 (6.3) 4.3 (7.5) .04
Inpatient admissions
Any admission (%) 24.4 18.5 .10
Any admission: emotional problem (%) 3.0 3.9 .60
Any admission: physical problem (%) 23.8 17.4 .07
Emergency room visits
Any emergency department visit (%) 27.4 25.3 .56
Emergency room visit: emotional problem (%) 2.2 6.2 .01
Emergency room visit: physical problem (%) 26.3 24.0 .52

*Data are adjusted for population weights and probability of enrollment.

Significance testing included X2analyses for categorical data and t tests for continuous data.