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The most common CRIO email format is [first].[last] (ex. jane.doe@clinicalresearch.io), which is being used by 53.4% of CRIO work email addresses.

Other common CRIO email patterns are [first] (ex. jane@clinicalresearch.io) and [first].[last_initial] (ex. jane.d@clinicalresearch.io). In all, CRIO uses 5 work email formats.

CRIO Email Formats and Examples

Email Format Example Percentage
[first].[last] jane.doe@clinicalresearch.io
53.4%
[first] jane@clinicalresearch.io
41.7%
[first].[last_initial] jane.d@clinicalresearch.io
3.5%
[first][last] janedoe@clinicalresearch.io
0.9%
[last] doe@clinicalresearch.io
0.5%
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