Criterion applied | Potential participants remaining |
---|---|
Aged 18 years and over | 37263 |
Antidepressant therapy within last 3 months | 2650 |
Lifetime diagnosis of moderate to severe depression | 1247 |
Folate deficient <2.5 ng/L at any time | 1237 |
B12 deficient <150 pg/ml at any time | 1196 |
Taking folic acid supplements in last 2 months | 1180 |
Lifetime diagnosis of psychosis | 1116 |
Pregnant or planning pregnancy in last 10 months | 1116 |
Taking anticonvulsants at any time | 1008 |
Life expectancy less than 1 year | 1007 |
Any unstable medical condition in last 12 months | 976 |
Taking Lithium at any time | 965 |
Lifetime diagnosis of malignancy | 873 |
Adverse reaction to folic acid a any time | 873 |
Depression resolved in last 3 months | 872 |
Lifetime diagnosis of delirium | 871 |
Lifetime diagnosis of learning disability | 867 |
Final number of potential trial participants | 867 |