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. Author manuscript; available in PMC: 2018 May 15.
Published in final edited form as: JAMA. 2005 Jun 1;293(21):2601–2608. doi: 10.1001/jama.293.21.2601

Table 3.

Posttreatment Scores and Group Effect From End-point Analyses With Pretreatment as a Covariate

No. (%) F df P Value
Complicated Grief Treatment Interpersonal Psychotherapy
Modified Intention to Treat
Inventory of Complicated Grief n = 49 n = 46
 Pretreatment 45.8 (8.0) 44.2 (9.9)
 Posttreatment 28.6 (16.2) 31.4 (12.9)
 Difference 17.2 (15.3) 12.8 (11.9) 1.86 92 .18
Beck Anxiety Inventory n = 47 n = 45
 Pretreatment 17.5 (12.0) 15.4 (10.2)
 Posttreatment 9.3 (10.7) 9.4 (8.7)
 Difference 8.2 (8.7) 6.0 (9.3) 0.69 89 .41
Beck Depression Inventory n = 47 n = 45
 Pretreatment 23.9 (10.3) 22.4 (9.8)
 Posttreatment 13.4 (10.0) 15.2 (10.8)
 Difference 10.4 (9.6) 7.2 (7.2) 2.70 89 .10
Work and Social Adjustment Scale n = 49 n = 46
 Pretreatment 20.3 (10.1) 20.5 (9.6)
 Posttreatment 12.5 (10.5) 16.2 (11.0)
 Difference 7.8 (11.3) 4.2 (9.5) 3.59 92 .06
Treatment Completers
Inventory of Complicated Grief n = 35 n = 34
 Pretreatment 46.4 (8.4) 43.4 (9.8)
 Posttreatment 25.8 (15.7) 30.6 (13.8)
 Difference 20.6 (15.0) 12.8 (10.7) 5.18 66 .03
Beck Anxiety Inventory n = 35 n = 34
 Pretreatment 17.6 (12.5) 14.5 (9.8)
 Posttreatment 8.1 (10.4) 8.7 (9.5)
 Difference 9.5 (7.3) 5.8 (9.5) 1.94 66 .17
Beck Depression Inventory n = 35 n = 34
 Pretreatment 24.6 (10.8) 20.9 (9.8)
 Posttreatment 11.9 (10.0) 13.6 (11.4)
 Difference 12.7 (9.8) 7.3 (5.6) 5.92 66 .02
Work and Social Adjustment Scale n = 35 n = 34
 Pretreatment 21.5 (10.9) 20.1 (10.0)
 Posttreatment 11.0 (10.4) 15.1 (11.1)
 Difference 10.4 (11.2) 5.0 (9.9) 4.47 66 .04