Table 4.
| Randomization reporting checklist for factorial trials
| Item number | Checklist item |
|---|---|
| 1 | Randomization unit: components or conditions and rationale for this choice |
| 1b | If components: randomization conducted sequentially or independently and rationale for this choice |
| 2 | Method used or planned to be used to generate the random allocation sequence |
| 3 | Type of randomization; details of any restriction |
| 4 | Mechanism used or planned to be used to implement the random allocation sequence, describing any steps to conceal the sequence until interventions were assigned |
| 5 | Who generated or will generate the random allocation sequence, who enrolled or will enroll participants, and who assigned or will assign participants to interventions |
| 6 | (Protocola and results papers) Additional details about actual implementation, such as unforeseen challenges. |
| 7 | (Protocola and results papers) Final sample sizes in each condition |