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thanks for collecting them.
what's the difference between non response bias and attrition bias ?
please explain with an example.
Posts: 3,675,937
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@mdkhayat , am not sure I think -Non response bias occur in cohort study where exposure is not determined yet
Attrition bias ,is more related to case control ------------ loss of subject in prospective study especially if loss to follow up occur disproportionally between exposed and unexposed group
lets wait for more opinions