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SuNDiAL Project: Survey of Nutrition, Dietary Assessment and Lifestyle

The SuNDiAL Project: Vegetarianism in New Zealand female adolescents

Status
Completed
Phases
Unknown
Study type
Observational
Source
ANZCTR
Registry ID
ACTRN12619000290190
Acronym
SuNDiAL Project: Survey of Nutrition, Dietary Assessment and Lifestyle
Enrollment
290
Registered
2019-02-26
Start date
2019-02-27
Completion date
2019-12-04
Last updated
2020-02-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

The aim of the SuNDial project is to compare the nutritional and health status of vegetarian and non-vegetarian adolescent women. There are very limited data about dietary intake and lifestyle in this age group who exhibit increasing interest in adopting vegetarian eating patterns. Three hundred females aged between 15 and 18 years will be recruited to participate from secondary schools throughout New Zealand between February and October 2019. Participants will complete two 24-hour diet recalls to provide an estimate of usual dietary intake, provide a blood sample for the analysis of biochemical status of key nutrients, wear an accelerometer for 7 days to provide an estimate of 24 hour activity (sleep, sedentary behaviour and physical activity) and answer questions about their attitudes and beliefs about the foods they choose to eat (or not eat). Comparisons of these outcomes will be made between vegetarians and non-vegetarians using regression models for nutrient intake and status, and scores from questionnaires about attitudes and beliefs; and fractional multinomial logit models for 24 hour activity. Results will be used to inform public health policy about appropriate ways to follow a more plant-based approach to eating without increasing the risk of deficiency of nutrients such as iron and calcium, or inadvertently increasing saturated fat or sodium intakes.

Interventions

Participants will complete two 24-hour diet recalls (retrospective recall of diet; each taking approximately 30 min to complete) to provide an estimate of usual dietary intake (the first of these recalls will be performed on a school day, the second will be performed on a Saturday or Sunday, no more than 2 weeks after the first recall), provide a blood sample for the analysis of biochemical status of key nutrients (5 min), wear an accelerometer for 7 days to provide an estimate of 24 hour activi

Participants will complete two 24-hour diet recalls (retrospective recall of diet; each taking approximately 30 min to complete) to provide an estimate of usual dietary intake (the first of these recalls will be performed on a school day, the second will be performed on a Saturday or Sunday, no more than 2 weeks after the first recall), provide a blood sample for the analysis of biochemical status of key nutrients (5 min), wear an accelerometer for 7 days to provide an estimate of 24 hour activity (sleep, sedentary behaviour and physical activity) and answer questions about their attitudes and beliefs about the foods they choose to eat (or not eat). All of these components will be measured over a two week time period. Data collection is occurring in two distinct time windows so participants will either undergo data collection procedures in March 2019, or August 2019.

Sponsors

Department of Human Nutrition, University of Otago
Lead SponsorUniversity

Eligibility

Sex/Gender
All
Age
15 Years to 18 Years
Healthy volunteers
Yes

Inclusion criteria

Female high school students between the ages of 15 to 18 years from 14 high schools across New Zealand, who speak and understand English and are able to complete the required online questionnaires

Exclusion criteria

pregnancy

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 18, 2026