Task: Translation
Input (Igbo): Igbo sentence: N'ikpeazụ, mgbe ekpebi ma ha na-agbalá»‹ na-agụnye tupu gwụgw covariates na imewe ma bụ analysis ogbo (ma bụ ma), e nwere ihe ole na ole ga-atụle.
Output (English): Finally, when deciding whether to try to include pre-treatment covariates at the design or analysis stage (or both), there are a few factors to consider.