| Description: | Headache in past six months |
| Category: | Online follow-up ⏵ Experience of pain |
| Participants | 167,108 | Value Type | Categorical (single) | Sexed | Both sexes | Debut | Dec 2020 | |||
| Item count | 167,108 | Item Type | Data | Instances | Singular | Version | Dec 2020 | |||
| Stability | Accruing | Strata | Primary | Array | No | Cost Tier | o1 s1 |
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| Preview | Name | Res ID |
|---|---|---|
 | Experience of pain questionnaire description | 2718 |
 | Online pain questionnaire screenshot C7a-C7c | 1366 |
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