| Field ID | Description | Relationship | 
| 29047 | Activities undertaken to treat depre ... | Current Field determines whether participant is asked Field 29047 | 
| 29034 | Age at first episode of depression | Current Field determines whether participant is asked Field 29034 | 
| 29036 | Age at last episode of depression | Current Field determines whether participant is asked Field 29036 | 
| 29016 | Brightening of mood in response to p ... | Current Field determines whether participant is asked Field 29016 | 
| 29020 | Change in appetite during worst epis ... | Current Field determines whether participant is asked Field 29020 | 
| 29035 | Depression possibly related to child ... | Current Field determines whether participant is asked Field 29035 | 
| 29013 | Depression possibly related to stres ... | Current Field determines whether participant is asked Field 29013 | 
| 29026 | Difficulty concentrating during wors ... | Current Field determines whether participant is asked Field 29026 | 
| 29032 | Difficulty coping with rejection or  ... | Current Field determines whether participant is asked Field 29032 | 
| 29030 | Duration of worst depression | Current Field determines whether participant is asked Field 29030 | 
| 20441 | Ever had prolonged loss of interest  ... | Current Field holds the same type of information as Field 20441 | 
| 4631 | Ever unenthusiastic/disinterested fo ... | Current Field holds similar information to Field 4631 | 
| 29028 | Feelings of guilt during worst perio ... | Current Field determines whether participant is asked Field 29028 | 
| 29019 | Feelings of heaviness in limbs durin ... | Current Field determines whether participant is asked Field 29019 | 
| 29018 | Feelings of tiredness during worst e ... | Current Field determines whether participant is asked Field 29018 | 
| 29027 | Feelings of worthlessness during wor ... | Current Field determines whether participant is asked Field 29027 | 
| 29014 | Fraction of day affected during wors ... | Current Field determines whether participant is asked Field 29014 | 
| 29015 | Frequency of depressed days during w ... | Current Field determines whether participant is asked Field 29015 | 
| 29031 | Impact on normal roles during worst  ... | Current Field determines whether participant is asked Field 29031 | 
| 29033 | Lifetime number of depressed periods | Current Field determines whether participant is asked Field 29033 | 
| 29037 | Professional informed about depression | Current Field determines whether participant is asked Field 29037 | 
| 29022 | Sleep changed during sadness/depress ... | Current Field determines whether participant is asked Field 29022 | 
| 29038 | Substances taken for depression | Current Field determines whether participant is asked Field 29038 | 
| 29029 | Thoughts of death during worst depre ... | Current Field determines whether participant is asked Field 29029 | 
| 29017 | Time of day that mood was worse duri ... | Current Field determines whether participant is asked Field 29017 | 
| 29021 | Weight change during worst episode o ... | Current Field determines whether participant is asked Field 29021 |