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Dear all,
Can someone help me on the multiple failure duration model? For example, let's say I have the following data:
year | 1 | 2 | 3 | 4 | 5 | 6 | 7
patient 1(Female)|weight:50,ill(0)| weight:52,ill(0) | weight:53,fine(1)|weight:48,fine(1)|weight:50,ill(0) |weight:50,ill(0) |weight:50,ill(0)
patient 2(male) |weight:51,ill(0)| weight:48,ill(0) | weight:60,ill(0) | weight:67,ill(0)|weight:78,fine(1) |weight:60,fine(1)| (missing)
patient 3(male) |weight:52,ill(0)| weight:50,fine(1)| (missing) | (missing) | weight:50,fine(1)| weight:40,ill(0)| weight:60,ill(0)
You see for each patient there are multiple observations, and also there may be multiple failures(in this case - getting fine). And also some subject has gap in the data, for example patient 3 has gap in year 3 and year 4. I wonder whether I can still use streg or stcox for this setting and use ALL the observations. For example,
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stset t, id(patient) failure(fine) exit(time .) noshow
stcox weight female, r
or streg weight female, r
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Can anyone kindly help me out? Any suggestions?
Many thanks!!
Martin
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