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


From   "Ziad El-Khatib" <Ziad.El-Khatib@ki.se>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: gen..replace over period of time
Date   Mon, 19 May 2008 10:04:25 -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)
>>
>>
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