| Re: Contraception discontinuation [message #12411 is a reply to message #9753] |
Thu, 11 May 2017 16:46  |
Osmara
Messages: 1
Registered: May 2017
Location: São Paulo
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Dear Trevor and Forum members
I'm analyzing data about contraceptive discontinuation and have some doubts about how to organize my dataset: I'm using data from local survey in Brazil and I have used Calendar data.
Looking at Polis et al. (2016) in Appendix A: Calculation of failure rates, I check that "episodes of contraceptive used began before your observation period but within the calendar period, you include the episode as a late entry into the life table, using only the months of contraceptive use that ocurred within the 3-62 months period of observation". I have around 68-72 months of observation for each woman, and I'll analyze only 3-62 months too. So I need exclud months 63-72. In what moment I exclud these episodes? It's whem I'm preparing my dataset or doing analyze? Could you please assist me with obtaining the Stata command to do this exclusion.
I would greatly appreciate any assistance you could offer. Thank you.
Osmara
Osmara
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