Modify the check: The number and percent of records with a value in the OBSERVATION_PERIOD_START_DATE field of the OBSERVATION_PERIOD that occurs prior to the date in the BIRTH_DATETIME field of the PERSON table.

[dimshitc]

Need to modify the check. Currently if the only year of birth is given, it uses CAST(CONCAT(plausibleTable.year_of_birth,'-06-01') AS DATE. But the real date of birth can be easily in the beginning of the year, leading to observation period start at this date.

[katy-sadowski]

@MaximMoinat raised this issue as well! Check his proposed solution here: #445 (comment). Agree this should be fixed.

[MaximMoinat]

Thanks Katy for linking this. I have completed my PR on this, please @dimshitc, could check it out?
#454. (There are still a few conflicts, I will solve these later)

Note that we are changing the behavior of two checks in this way (temporal_after and plausible_during_life). Results will not be comparable anymore with results retrieved before.