| Variable Name | Variable Label | Answer Label | Answer Code |
| author | Author | Open ended | String |
| year | Year | Open ended | Integer |
| futime | FU time (months) | Open ended | double |
| fucat | Follow-up design | Numeric | - |
| Continuous | 1 | - | - |
| One follow-up | 2 | - | - |
| Repeated assesments | 3 | - | - |
| nfu | Number of assesments, including baseline | Open ended | Numeric |
| effectcat | Primary effectiveness measure type | Numeric | - |
| QALY | 1 | - | - |
| Binary | 2 | - | - |
| Clinical scale | 3 | - | - |
| Time to recovery | 4 | - | - |
| pcc | Proportion of complete cases | Open ended | double |
| n | Number complete cases | Open ended | Integer |
| n_ | Number of participants | Open ended | Integer |
| reportcc | Report exact CC | Numeric | - |
| No | 0 | - | - |
| Yes | 1 | - | - |
| arm1 | Proportion CC arm1 | Open ended | double |
| arm2 | Proportion CC arm2 | Open ended | double |
| diffarm | Missingness differs between arms | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| No missing | 3 | - | - |
| Unclear | 8 | - | - |
| cceffect | CC effect | Open ended | double |
| cccost | CC cost | Open ended | double |
| missinfo2 | Missingness cost vs. effect | Numeric | - |
| None | 1 | - | - |
| Both missing | 2 | - | - |
| Cost more missing | 3 | - | - |
| Effect more missing | 4 | - | - |
| Unclear | 8 | - | - |
| md | Included - missing data >5% | Open ended | Numeric |
| primcat | Primary analysis category | Numeric | - |
| CC | 1 | - | - |
| MI | 2 | - | - |
| Other | 3 | - | - |
| Mixed | 4 | - | - |
| Unclear | 5 | - | - |
| primcat3 | Primary analysis | Numeric | - |
| CC | 1 | - | - |
| MI | 2 | - | - |
| Other | 3 | - | - |
| mi | Conducted multiple imputation | Numeric | - |
| No | 0 | - | - |
| Yes | 1 | - | - |
| cc | Conducted complete-case analysis | Numeric | - |
| No | 0 | - | - |
| Yes | 1 | - | - |
| sa | Conducted sensitivity analysis | Numeric | - |
| No | 0 | - | - |
| Yes | 1 | - | - |
| other1 | Secondary approach to MD 1 | Open ended | String |
| other2 | Secondary approach to MD 2 | Open ended | String |
| other3 | Secondary approach to MD 3 | Open ended | String |
| mnarsa | MNAR SA | Numeric | |
| No | 0 | - | - |
| Yes | 1 | - | - |
| a1 | Recommendations indicator A1.Maximise response rate | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| a2 | A2.Alternative data sources | Numeric | |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| a3 | A3.Monitor completeness | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| b1 | B1.Assumption for primary analysis | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| b2 | B2.Appropriate primary method | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| c1 | C1.Discuss departures from the primary assumption | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| c2 | C2.Consider broad range of assumptions | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| c3 | C3.Method valid under these assumptions | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| d1 | D1.Missing data by endpoint, arm and time-point | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| d2 | D2.Discuss reasons for missing data | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| d3 | D3.Describe methods used and assumptions | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |
| d4 | D4.Conclusions in light of missing data | Numeric | - |
| Yes | 1 | - | - |
| No | 2 | - | - |
| Unclear | 3 | - | - |