| Description: | Type of special diet followed |
| Category: | Online follow-up ⏵ Diet by 24-hour recall ⏵ Typical diet yesterday |
| Diet and alcohol summary + Lifestyle |
| Participants | 58,918 | Value Type | Categorical (multiple) | Sexed | Both sexes | Debut | Sep 2012 | |||
| Item count | 112,036 | Item Type | Data | Instances | Defined (5) | Version | Sep 2012 | |||
| Stability | Complete | Strata | Derived | Array | Yes (6) | Cost Tier | d1 o1 s1 |
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Instance 1 : On-line cycle 1, February 2011 to April 2011.
22,598 participants, 24,945 items
Instance 2 : On-line cycle 2, June 2011 to September 2011.
18,931 participants, 20,833 items
Instance 3 : On-line cycle 3, October 2011 to December 2011.
22,310 participants, 24,548 items
Instance 4 : On-line cycle 4, April 2012 to June 2012.
22,405 participants, 24,623 items
Some of the self-entered data regarding special diets is inconsistent with the actual food intake reported on the same occasion by participants. For instance, around a tenth of people indicating they followed a vegan diet also answered that they had eaten meat the prevous day.
| Preview | Name | Res ID |
|---|---|---|
 | Online 24-hour dietary recall questionnaire | 118240 |
 | Online diet questionnaire screenshot wd0001 | 10107 |
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