| Description: | Had major operations |
| Category: | Assessment centre ⏵ Touchscreen ⏵ Health and medical history ⏵ Operations |
| Health outcomes + Self-reported medical conditions |
| Participants | 228,611 | Value Type | Categorical (single) | Sexed | Males only | Debut | Jan 2012 | |||
| Item count | 275,279 | Item Type | Data | Instances | Defined (4) | Version | Jun 2023 | |||
| Stability | Complete | Strata | Primary | Array | No | Cost Tier | d1 o1 s1 |
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Instance 1 : First repeat assessment visit (2012-13)
9,933 participants, 9,933 items
Instance 2 : Imaging visit (2014+)
33,829 participants, 33,829 items
Instance 3 : First repeat imaging visit (2019+)
2,918 participants, 2,918 items
If the participant activated the Help button they were shown the message:
| If you are unsure if you have had a 'major' operation select Do not know and you will be asked about this by an interviewer later during this visit. |
Field 2415 is male question equivalent of female question Field 2844
| Field ID | Description | Relationship |
|---|---|---|
| 2844 | Had other major operations | Current Field is male question equivalent of female question Field 2844 |
Enabling scientific discoveries that improve human health
