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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Int Psychogeriatr. 2010 Aug 25;23(3):387–394. doi: 10.1017/S1041610210001390

Table 2.

Results of mixed effect single covariate models on repeated BMI measures. Each model includes one covariate, main effect of time and time squared, and an interaction term between the covariate and time

VARIABLES MAIN EFFECT
INTERACTION WITH TIME (SLOPE)
PARAMETER ESTIMAT E SE ESTIMATE P -VALUE PARAMETER ESTIMATE SE ESTIMATE P -VALUE
Age −0.089 0.022 <0.001 −0.011 0.002 <0.001
Female 1.414 0.236 <0.001 0.016 0.026 0.546
Educated 0.520 0.317 0.101 0.037 0.033 0.266
Alcohol
 current 0.033 0.212 0.878 −0.007 0.036 0.854
 past −0.120 0.205 0.559 −0.053 0.033 0.106
 never 0 0
Smoking
 current −1.046 0.235 <0.001 −0.032 0.036 0.383
 past −0.762 0.209 <0.001 −0.027 0.027 0.326
 never 0 0
History of
 cancer −0.029 0.394 0.942 0.084 0.090 0.351
 hypertension 0.340 0.205 0.097 −0.017 0.034 0.607
 diabetes −0.733 0.364 0.044 −0.083 0.068 0.226
 heart attack 0.450 0.232 0.052 0.022 0.030 0.466
 stroke −0.100 0.406 0.805 −0.104 0.086 0.225
 depression −0.058 0.193 0.765 0.018 0.030 0.553

SE = standard error.