Tracking of energy and nutrient intakes from adolescence to young adulthood: the experiences of the Young Hearts Project, Northern Ireland

AM Gallagher, PJ Robson, MBE Livingstone, GW Cran, JJ Strain, LJ Murray, JM Savage, CAG Boreham

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Abstract

Objective: To assess tracking of energy and nutrient intakes between adolescence and young adulthood. Design: Longitudinal study of a random sample of adolescents (aged 15 years at baseline). The extent of tracking of dietary intakes (assessed by diet history) was investigated using weighted kappa statistics (kappa). Setting: Northern Ireland population survey. Subjects: Adolescents who participated in the Young Hearts Project, Northern Ireland at age 15 years, and subsequently at young adulthood aged between 20 and 25 years (n=245 males, n=231 females). Results: Despite overall increases in height and weight (both P < 0.001), increases in body mass index in males (P < 0.001) and body fatness in females (P < 0.001), median reported intakes of energy (kJ kg(-1) day(-1)), carbohydrate (g day(-1)) and fat (g day(-1)) decreased (all P < 0.001) over time. Expressed as nutrient densities (per MJ), diets at young adulthood were overall richer in thiamin, vitamin B-6, total folate (all P < 0.001), vitamin C (P < 0.01) and vitamin D (P < 0.05). Whereas the nutrient density of the males' diets decreased over time for calcium (P < 0.05) and vitamin A (P < 0.001), iron and riboflavin densities increased in the females' diet (P < 0.001). Tracking of energy (MJ day(-1)) and nutrient intakes (expressed per MJ day(-1)) at the individual level was only poor to fair (all kappa < 0.25), indicating substantial drift of subjects between the low, medium and high classes of intake with increasing age. Conclusions: These data suggest that individual dietary patterns exhibited at 15 years of age are unlikely to be predictive of dietary intakes at young adulthood.
LanguageEnglish
Pages1027-1034
JournalPublic Health Nutrition
Volume9
Issue number8
DOIs
Publication statusPublished - Dec 2006

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Northern Ireland
Energy Intake
Diet
Food
Vitamin B 6
Riboflavin
Thiamine
Vitamin A
Folic Acid
Vitamin D
Ascorbic Acid
Longitudinal Studies
Body Mass Index
Iron
Fats
Carbohydrates
Calcium
Weights and Measures
Population

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title = "Tracking of energy and nutrient intakes from adolescence to young adulthood: the experiences of the Young Hearts Project, Northern Ireland",
abstract = "Objective: To assess tracking of energy and nutrient intakes between adolescence and young adulthood. Design: Longitudinal study of a random sample of adolescents (aged 15 years at baseline). The extent of tracking of dietary intakes (assessed by diet history) was investigated using weighted kappa statistics (kappa). Setting: Northern Ireland population survey. Subjects: Adolescents who participated in the Young Hearts Project, Northern Ireland at age 15 years, and subsequently at young adulthood aged between 20 and 25 years (n=245 males, n=231 females). Results: Despite overall increases in height and weight (both P < 0.001), increases in body mass index in males (P < 0.001) and body fatness in females (P < 0.001), median reported intakes of energy (kJ kg(-1) day(-1)), carbohydrate (g day(-1)) and fat (g day(-1)) decreased (all P < 0.001) over time. Expressed as nutrient densities (per MJ), diets at young adulthood were overall richer in thiamin, vitamin B-6, total folate (all P < 0.001), vitamin C (P < 0.01) and vitamin D (P < 0.05). Whereas the nutrient density of the males' diets decreased over time for calcium (P < 0.05) and vitamin A (P < 0.001), iron and riboflavin densities increased in the females' diet (P < 0.001). Tracking of energy (MJ day(-1)) and nutrient intakes (expressed per MJ day(-1)) at the individual level was only poor to fair (all kappa < 0.25), indicating substantial drift of subjects between the low, medium and high classes of intake with increasing age. Conclusions: These data suggest that individual dietary patterns exhibited at 15 years of age are unlikely to be predictive of dietary intakes at young adulthood.",
author = "AM Gallagher and PJ Robson and MBE Livingstone and GW Cran and JJ Strain and LJ Murray and JM Savage and CAG Boreham",
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Tracking of energy and nutrient intakes from adolescence to young adulthood: the experiences of the Young Hearts Project, Northern Ireland. / Gallagher, AM; Robson, PJ; Livingstone, MBE; Cran, GW; Strain, JJ; Murray, LJ; Savage, JM; Boreham, CAG.

In: Public Health Nutrition, Vol. 9, No. 8, 12.2006, p. 1027-1034.

Research output: Contribution to journalArticle

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T1 - Tracking of energy and nutrient intakes from adolescence to young adulthood: the experiences of the Young Hearts Project, Northern Ireland

AU - Gallagher, AM

AU - Robson, PJ

AU - Livingstone, MBE

AU - Cran, GW

AU - Strain, JJ

AU - Murray, LJ

AU - Savage, JM

AU - Boreham, CAG

PY - 2006/12

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N2 - Objective: To assess tracking of energy and nutrient intakes between adolescence and young adulthood. Design: Longitudinal study of a random sample of adolescents (aged 15 years at baseline). The extent of tracking of dietary intakes (assessed by diet history) was investigated using weighted kappa statistics (kappa). Setting: Northern Ireland population survey. Subjects: Adolescents who participated in the Young Hearts Project, Northern Ireland at age 15 years, and subsequently at young adulthood aged between 20 and 25 years (n=245 males, n=231 females). Results: Despite overall increases in height and weight (both P < 0.001), increases in body mass index in males (P < 0.001) and body fatness in females (P < 0.001), median reported intakes of energy (kJ kg(-1) day(-1)), carbohydrate (g day(-1)) and fat (g day(-1)) decreased (all P < 0.001) over time. Expressed as nutrient densities (per MJ), diets at young adulthood were overall richer in thiamin, vitamin B-6, total folate (all P < 0.001), vitamin C (P < 0.01) and vitamin D (P < 0.05). Whereas the nutrient density of the males' diets decreased over time for calcium (P < 0.05) and vitamin A (P < 0.001), iron and riboflavin densities increased in the females' diet (P < 0.001). Tracking of energy (MJ day(-1)) and nutrient intakes (expressed per MJ day(-1)) at the individual level was only poor to fair (all kappa < 0.25), indicating substantial drift of subjects between the low, medium and high classes of intake with increasing age. Conclusions: These data suggest that individual dietary patterns exhibited at 15 years of age are unlikely to be predictive of dietary intakes at young adulthood.

AB - Objective: To assess tracking of energy and nutrient intakes between adolescence and young adulthood. Design: Longitudinal study of a random sample of adolescents (aged 15 years at baseline). The extent of tracking of dietary intakes (assessed by diet history) was investigated using weighted kappa statistics (kappa). Setting: Northern Ireland population survey. Subjects: Adolescents who participated in the Young Hearts Project, Northern Ireland at age 15 years, and subsequently at young adulthood aged between 20 and 25 years (n=245 males, n=231 females). Results: Despite overall increases in height and weight (both P < 0.001), increases in body mass index in males (P < 0.001) and body fatness in females (P < 0.001), median reported intakes of energy (kJ kg(-1) day(-1)), carbohydrate (g day(-1)) and fat (g day(-1)) decreased (all P < 0.001) over time. Expressed as nutrient densities (per MJ), diets at young adulthood were overall richer in thiamin, vitamin B-6, total folate (all P < 0.001), vitamin C (P < 0.01) and vitamin D (P < 0.05). Whereas the nutrient density of the males' diets decreased over time for calcium (P < 0.05) and vitamin A (P < 0.001), iron and riboflavin densities increased in the females' diet (P < 0.001). Tracking of energy (MJ day(-1)) and nutrient intakes (expressed per MJ day(-1)) at the individual level was only poor to fair (all kappa < 0.25), indicating substantial drift of subjects between the low, medium and high classes of intake with increasing age. Conclusions: These data suggest that individual dietary patterns exhibited at 15 years of age are unlikely to be predictive of dietary intakes at young adulthood.

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