Table 2 Decomposition of estimated prevalence of DSM-IV SMI and PTSD and suicidality between the two surveys (n=815)

From: Trends in mental illness and suicidality after Hurricane Katrina

  SMI PTSD Ideation Plans
  % (s.e.) % (s.e.) % (s.e.) % (s.e.)
I. Profiles of follow-up cases a
 Persistence 39.9 (7.7) 47.3 (6.7) 16.6 (10.0) 26.0 (22.1)
 Progression 31.6 (7.4) 25.9 (6.0) 59.3 (12.9) 27.4 (14.5)
 Delayed onset 28.5 (7.3) 26.8 (6.1) 24.1 (11.0) 46.6 (22.0)
 (n) (92) (130) (37) (11)
II. Transitions among baseline respondents a
 Persistence 51.1 (9.1) 66.4 (6.5) 37.9 (18.7) 69.8 (29.3)
 Improvement 30.8 (8.7) 16.9 (4.9) 49.9 (18.5) 12.2 (16.0)
 Recovery 18.1 (6.9) 16.7 (5.0) 12.2 (7.4) 18.0 (21.2)
 (n) (74) (107) (23) (4)
  1. Abbreviations: PTSD, post-traumatic stress disorder; SMI, serious mental illness.
  2. aSee the text for definitions of the categories.