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ffq [2021/05/25 12:44] trynke |
ffq [2022/01/05 10:44] (current) laura [Papers using Lifelines FFQ data] |
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===== Background ===== | ===== Background ===== | ||
- | For more information about the rationale for and validation of the flower FFQ see {{ :flower_ffq_nutrients.pdf |Brouwer-Brolsma et al. (2017)}} and {{ :brouwer-brolsma_2021.pdf |Brouwer-Brolsma et al. (2021)}} | ||
Dietary intake of adolescent and adult Lifelines participants was assessed with a food frequency questionnaire (FFQ) that was specifically developed for Lifelines to assess dietary risk factors for a considerable number of diseases. | Dietary intake of adolescent and adult Lifelines participants was assessed with a food frequency questionnaire (FFQ) that was specifically developed for Lifelines to assess dietary risk factors for a considerable number of diseases. | ||
Since this resulted in a long and time-consuming questionnaire, the questionnaire was divided into four parts and called the **Flower Food Frequency Questionnaire**.\\ | Since this resulted in a long and time-consuming questionnaire, the questionnaire was divided into four parts and called the **Flower Food Frequency Questionnaire**.\\ | ||
+ | For more information about the rationale for and validation of the flower FFQ see {{ :flower_ffq_nutrients.pdf |Brouwer-Brolsma et al. (2017)}} and {{ :brouwer-brolsma_2021.pdf |Brouwer-Brolsma et al. (2021)}}.\\ | ||
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The questionnaire consists of one basic questionnaire, assessed at [[1A|baseline]]: **the heart** of the flower. It covers energy and macronutrient intake and takes ~30 minutes to complete. The raw data from the heart FFQ were used to calculate [[FFQ sum scores|macronutrient sum scores]].\\ | The questionnaire consists of one basic questionnaire, assessed at [[1A|baseline]]: **the heart** of the flower. It covers energy and macronutrient intake and takes ~30 minutes to complete. The raw data from the heart FFQ were used to calculate [[FFQ sum scores|macronutrient sum scores]].\\ | ||
The other three shorter questionnaires, **the petals**, were only used in adults and cover the (micro)nutrients (See Figure 1): | The other three shorter questionnaires, **the petals**, were only used in adults and cover the (micro)nutrients (See Figure 1): |