[問題] 請問這是GEE哪種matrix??
請問一下
這段話看的出來是用哪種GEE matric嗎??
In the GEE model all the independent variables were assumed to be
time-independent, in other words, only information on risk factors from the
baseline measurements was used as in conventional regression analyses. These
risk factors at baseline were related to shoulder complaints reported in
follow-up 1or follow-up 2 or both, using the two endpoints of incidence and
recurrence.
是代表independent嗎?
PS.這是一群病人,三個時間點(開始,一年,兩年),探討背痛脖子痛的危險因子
謝謝!!
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