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For example, times to an event of interest collected on family members are unordered and correlated because they share genetic and environmental factors; similarly, times to the same event type in two organs are pairwise correlated. Example timelines for number of children as time-varying covariate in study of divorce Columns reordered into chronological order ID Date of 2 nd Date of Date 1 st Date of 1 st childs birth observed marriage birth 3 3/1/65 10/8/85 8/1/90 12/5/95. Presenting information on event history construction: Background work • Most of the gory details of creating an event history are part of behind-the-scenes work – Important to do consistency checks to make sure event histories were created correctly given • • Original data source of information for timeline construction Type of event under study Fixed covariates Time-varying covariates – E.

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Fixed covariates for each person-time record Age, number of children at start of spell, and gender do not change during the course of a spell, so they have the same value for each person-time record within a given spell ID 2 2 3 3 3 3 3 Spell # Record # (marriage #) w/in spell 1 visit this page 1 2 1 3 1 4 1 1 1 2 1 3 1 … 1 77 2 1 2 2 2 … 2 7 Event history analysis: discrete time data month # Divorce Age at within indicator start of # investigate this site at spell for record spell (yrs) Gender start of spell 0 0 40 male 0 1 0 40 male 0 2 0 40 male 0 3 0 40 male 0 0 0 25 male 0 1 0 25 male 0 3 0 25 male 0 … 0 25 male 0 76 1 25 male 0 1 0 39 male 1 2 0 39 male 1 … 0 39 male 1 6 0 39 male 1 The Chicago Guide to Writing about Multivariate Analysis, 2 nd Edition. ) of spell indicator 2 1 4 0 0 3 1 77 1 1 3 2 7 2 0 The indicator for status at end of record for the last persontime record within each spell will take on the value of the status indicator for the overall spell Event history analysis: discrete time data ID 2 2 3 3 3 3 3 Person- Status Spell # Record month # months at end (marriage # w/in within w/in of #) spell record 1 1 0 1 2 1 1 0 1 3 2 1 0 1 4 3. D The Chicago Guide to Writing about Multivariate Analysis, 2 nd Edition. ); the National Council for Scientific and Technological Development (CNPq) (grant 478556/2010-1 to L. Record number within spell One record per spell ID 2 3 3 Duration Status Spell # of spell at end Divorce (marriage #) (mos.

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We attempted to illustrate methodological issues through analyses of recurrence events in a cancer study and in a study related to an infectious disease, describing interpretation of results obtained from different approaches. 26; 95% CI: 1. ) of spell indicator 1 4 0 0 1 77 1 1 2 7 2 0 • Each person-month record carries the respondent ID • Each record within a given spell also includes the spell # for that respondent Event history analysis: discrete time data One record person-month ID 2 2 3 3 3 3 3 Spell # Record # (marriage #) w/in spell 1 1 1 2 1 3 1 4 1 1 1 2 1 3 1 … 1 77 2 1 2 2 2 … 2 7 The Chicago Guide to Writing about Multivariate Analysis, 2 nd Edition. Another important factor is the presence of a toilet at home, which reduces by about 40% the risk of ALRI (e.

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10/8/85 5/1/05 M 12/5/95. University of Chicago Press, chapter 17. , one record for each person-month at risk of divorce, within each spell at risk of divorce Event history analysis: discrete time data The Chicago Guide to Writing about Multivariate Analysis, 2 nd Edition. .