From: Investigating the missing data mechanism in quality of life outcomes: a comparison of approaches
 |  | Ridout regression | Fairclough logistic regression | ||
---|---|---|---|---|---|
 |  | Scenario 1 | Scenario 2 | Scenario 1 | Scenario 2 |
Trial | Assessment | Mechanism | Mechanism | Mechanism | Mechanism |
REFLUX | Baseline | MAR | MCAR | - | - |
 | 3 months | MCAR | MCAR | MCAR | MCAR |
 | 12 months | - | - | MAR | MAR |
MAVIS | Baseline | MCAR | MCAR | - | - |
 | 6 months | MCAR | MAR | MAR | MAR |
 | 12 months | - | - | MCAR/MAR | MCAR/MAR |
RECORD | 4 months | MAR | MAR | - | - |
 | 12 months | MAR | MAR | MAR | MAR |
 | 24 months | - | - | MAR | MAR |
KAT | Baseline | MCAR | MCAR | - | - |
 | 3 months | MAR | MAR | MAR | MAR |
 | 12 months | MAR | MAR | MAR | MAR |
 | 24 months | - | - | MAR | MAR |
PRISM | Baseline | MAR | MAR | - | - |
 | 12 months | MAR | MAR | MAR | MAR |
 | 24 months | - | - | MAR | MAR |