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. 2020 May 27;9(5):e17310. doi: 10.2196/17310

Table 1.

Summary of outcome measures to be collected in the SuNDiAL Project.

Outcome Assessment Method
Online Questionnaire

Demographics and health status Self-report

Vegetarian/vegan status Self-report

Dietary Habits Dietary Habits Questionnaire

Attitudes and motivations towards food choice Rationalizing meat consumption: The 4Ns Questionnaire [19]

The Food Choice Questionnaire [21]
Ethical Food Choice Motives [18]

Dietarian Identity Questionnaire [20]
School visit

Estimated usual dietary intake Two 24-hour recalls, with adjustment of usual intake using MSMa

Height Stadiometer

Weight Body weight scales

Ulna Length Steel measuring tape
Blood sample

Hemoglobin Cyanide-free photometry

Plasma ferritin Immunoassay

Soluble transferrin receptor Immunoassay

C-reactive protein Immunoassay

Alpha-glycoprotein Immunoassay

Zinc ICP-MSb

Selenium ICP-MS

Vitamin B12 Electrochemiluminescence immunoassay

Folate Microbiological Assay
Urine Sample

Iodine ICP-MS
Accelerometry

Average daily 24 h Activity ActiGraph GT3x+, and accompanying wear time and sleep diary.


Average daily sleep


Average daily sedentary time


Average daily light intensity activity


Average daily moderate to vigorous intensity physical activity

aMSM: Multiple source method

bICP-MS: Inductively couple plasma mass spectrometry