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This slide and the next two compare the Panel Study in Income Dynamics’ (PSID) data and MCHP’s data (a pdf version of this table is available here):
-Start dates are close: 1968 for PSID and 1970 for the Registry
 
-High levels of follow-up exist in both sets of data
 
-Manitoba health’s data are updated more frequently – every six months:
new enrollees are added and reasons for terminations are given
 
-Important differences or similarities:
- Number of cases for population based data is much larger
- Cost is considerably lower for administrative data
- PSID samples; MCHP includes an entire population
- Cost for studies with population data do not necessarily go up greatly when the research becomes more complex
- MCHP data does require validation when linking new sources of data