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. Author manuscript; available in PMC: 2009 Jun 22.
Published in final edited form as: J Am Geriatr Soc. 2008 Jan 4;56(3):421–428. doi: 10.1111/j.1532-5415.2007.01593.x

Table 3. Effects of Nursing Home Placement and Intervention on Symptoms of Depression.

Effect Estimate SE t df p
Intercept 10.04 0.48 20.84 380 <.0001
Years after baseline (centered at 1 year) -0.11 0.16 -0.69 355 0.4909
Years after NHA -0.49 0.18 -2.63 3069 0.0087
Type of Assessment (NHA = 1, Community = 0) -1.73 0.34 -5.12 3069 <.0001
Depression at baseline (mean centered) 0.69 0.03 20.26 3069 <.0001
Baseline depression*Years after baseline -0.06 0.01 -5.55 3069 <.0001
Caregiver gender (Female = 1, Male = 0) 0.22 0.45 0.48 3069 0.6316
Gender*Years after baseline -0.11 0.13 -0.81 3069 0.4169
Placement Group (Yes = 1, No = 0) 0.34 0.43 0.78 3069 0.4338
Placement Group*Years after baseline 0.16 0.15 1.07 3069 0.2841
Treatment Group (Intervention = 1, Usual Care = 0) -1.35 0.43 -3.12 3069 0.0018
Treatment Group*Years after baseline -0.13 0.15 -0.82 3069 0.4105
Treatment Group*Years after NHA 0.60 0.23 2.62 3069 0.0089
Treatment Group*Type of Assessment 0.24 0.45 0.54 3069 0.5879

NOTE: NHA = nursing home admission; Estimate represents the amount of change in the outcome variable that is predicted for a one unit change in that predictor variable