Data
131,980 items of data are available, covering 109,725 participants.
Some values have special meanings defined by Data-Coding 
100598.
Defined-instances run from 0 to 3, labelled using Instancing 
2.
Units of measurement are years.
| Maximum | 82 |  
| Decile 9 | 61 |  
| Decile 8 | 59 |  
| Decile 7 | 58 |  
| Decile 6 | 56 |  
| Median | 55 |  
| Decile 4 | 53 |  
| Decile 3 | 51 |  
| Decile 2 | 50 |  
| Decile 1 | 46 |  
| Minimum | 20 |  
 
 | 
 
 | 
- There are 62 distinct values.
 
- Mean = 54.0572
 
- Std.dev = 6.05351
 
- 167 items below graph minimum of 31
 
- 39 items above graph maximum of 76
 
- 21976 items have value -11 (Still taking HRT)
 
- 169 items have value -3 (Prefer not to answer)
 
- 13522 items have value -1 (Do not know)
 
  | 
 
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
103,829 participants, 103,829 items
| Maximum | 70 |  
| Decile 9 | 61 |  
| Decile 8 | 59 |  
| Decile 7 | 57 |  
| Decile 6 | 56 |  
| Median | 55 |  
| Decile 4 | 53 |  
| Decile 3 | 51 |  
| Decile 2 | 50 |  
| Decile 1 | 46 |  
| Minimum | 21 |  
 
 | 
 
 | 
- There are 50 distinct values.
 
- Mean = 53.9236
 
- Std.dev = 5.94146
 
- 143 items below graph minimum of 31
 
- 16432 items have value -11 (Still taking HRT)
 
- 128 items have value -3 (Prefer not to answer)
 
- 10010 items have value -1 (Do not know)
 
  | 
Instance 1 : First repeat assessment visit (2012-13)
4,151 participants, 4,151 items
| Maximum | 72 |  
| Decile 9 | 61 |  
| Decile 8 | 60 |  
| Decile 7 | 58 |  
| Decile 6 | 56 |  
| Median | 55 |  
| Decile 4 | 53 |  
| Decile 3 | 52 |  
| Decile 2 | 50 |  
| Decile 1 | 47 |  
| Minimum | 23 |  
 
 | 
 
 | 
- There are 44 distinct values.
 
- Mean = 54.4329
 
- Std.dev = 5.8671
 
- 6 items below graph minimum of 33
 
- 493 items have value -11 (Still taking HRT)
 
- 4 items have value -3 (Prefer not to answer)
 
- 508 items have value -1 (Do not know)
 
  | 
Instance 2 : Imaging visit (2014+)
20,115 participants, 20,115 items
| Maximum | 82 |  
| Decile 9 | 62 |  
| Decile 8 | 60 |  
| Decile 7 | 58 |  
| Decile 6 | 56 |  
| Median | 55 |  
| Decile 4 | 53 |  
| Decile 3 | 52 |  
| Decile 2 | 50 |  
| Decile 1 | 46 |  
| Minimum | 20 |  
 
 | 
 
 | 
- There are 59 distinct values.
 
- Mean = 54.6066
 
- Std.dev = 6.58818
 
- 12 items below graph minimum of 30
 
- 13 items above graph maximum of 78
 
- 4211 items have value -11 (Still taking HRT)
 
- 32 items have value -3 (Prefer not to answer)
 
- 2503 items have value -1 (Do not know)
 
  | 
Instance 3 : First repeat imaging visit (2019+)
3,885 participants, 3,885 items
| Maximum | 80 |  
| Decile 9 | 62 |  
| Decile 8 | 60 |  
| Decile 7 | 58 |  
| Decile 6 | 56 |  
| Median | 55 |  
| Decile 4 | 53 |  
| Decile 3 | 52 |  
| Decile 2 | 50 |  
| Decile 1 | 47 |  
| Minimum | 20 |  
 
 | 
 
 | 
- There are 52 distinct values.
 
- Mean = 54.7649
 
- Std.dev = 6.47273
 
- 4 items below graph minimum of 32
 
- 4 items above graph maximum of 77
 
- 840 items have value -11 (Still taking HRT)
 
- 5 items have value -3 (Prefer not to answer)
 
- 501 items have value -1 (Do not know)
 
  | 
 
Notes
ACE touchscreen question "How old were you when you last used HRT?"
The following checks were performed:
- If answer < 20 then rejected
 - If answer > Participants age then rejected
 - If answer < 35 then participant asked to confirm
 - If answer > 65 then participant asked to confirm
 
If the participant activated the Help button they were shown the message:
If you are currently using HRT select Still taking HRT. If you are unsure, please provide an estimate or select Do not know.
  | 
Field 3546 was collected from women who indicated that they had used HRT, as defined by their answers to Field 2814
Coding 100598 defines 3 special values:
- -1 represents "Do not know"
 
- -11 represents "Still taking HRT"
 
- -3 represents "Prefer not to answer"
 
 
1 Related Data-Field
| Field ID | Description | Relationship | 
| 2814 | Ever used hormone-replacement therap ... | Current Field was collected from women who indicated that they had used HRT, as defined by their answers to Field 2814 |