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Re: st: gen..replace over period of time


From   Ziad El-Khatib <ziad.khatib@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: gen..replace over period of time
Date   Mon, 19 May 2008 10:06:57 -0700

Hi again,
it is giving me the accumulative number of patients over period of
time weeks 2-24.
How I can count patients in individual way, i.e. just to know how many
patients did ever report pill count<95 during weeks 2-24?

Thank you again
br
ziad

> On Mon, May 19, 2008 at 9:58 AM, Ziad El-Khatib <Ziad.El-Khatib@ki.se> wrote:
>> Thank you all!
>>
>> I just tried & option and was about to confirm and saw Nick's reply.
>> Thank you again and best regards
>> ziad
>>
>>
>> On Mon, May 19, 2008 at 9:51 AM, n j cox <n.j.cox@durham.ac.uk> wrote:
>>> I don't know what adherence level is, and thus I don't know
>>> whether -pillcount < 95- defines adherence level.
>>>
>>> However,
>>>
>>> (week >= 2 | week <= 24)
>>>
>>> does not mean "during weeks 2-24".
>>>
>>> | means "or". You want & for "and".
>>>
>>> Nick
>>> n.j.cox@durham.ac.uk
>>>
>>> Ziad El-Khatib
>>>
>>> My dataset has different time points, weeks 2,4,8,12,16,20,24,36 and
>>> 52 weeks on treatment.
>>> I want to look at the adherence level during the weeks 2-24, I tried
>>> this code, but it didn't give me what I wanted:
>>>
>>> gen adherence =0
>>> replace adherence =1 if pillcount <95 & (week>=2|week<=24)
>>>
>>>
>>> *
>>> *   For searches and help try:
>>> *   http://www.stata.com/support/faqs/res/findit.html
>>> *   http://www.stata.com/support/statalist/faq
>>> *   http://www.ats.ucla.edu/stat/stata/
>>>
>>
>

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