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- Title
Cardiorespiratory fitness is positively associated with a healthy dietary pattern in New Zealand adolescents.
- Authors
Howe, Anna S; Skidmore, Paula ML; Parnell, Winsome R; Wong, Jyh Eiin; Lubransky, Alexandra C; Black, Katherine E; Skidmore, Paula M L
- Abstract
ObjectiveTo examine the association between cardiorespiratory fitness and dietary patterns in adolescents.DesignFood choice was assessed using the validated New Zealand Adolescent FFQ. Principal components analysis was used to determine dietary patterns. Trained research assistants measured participants’ height and body mass. Cardiorespiratory fitness was assessed in a subset of participants using the multistage 20 m shuttle run. The level and stage were recorded, and the corresponding VO2max was calculated. Differences in mean VO2max according to sex and BMI were assessed using t tests, while associations between cardiorespiratory fitness and dietary patterns were examined using linear regression analyses adjusted for age, sex, school attended, socio-economic deprivation and BMI.SettingSecondary schools in Otago, New Zealand.SubjectsStudents (n 279) aged 14–18 years who completed an online lifestyle survey during a class period.ResultsPrincipal components analysis produced three dietary patterns: ‘Treat Foods’, ‘Fruits and Vegetables’ and ‘Basic Foods’. The 279 participants who provided questionnaire data and completed cardiorespiratory fitness testing had a mean age of 15·7 (sd 0·9) years. Mean VO2max was 45·8 (sd 6·9) ml/kg per min. The ‘Fruits and Vegetables’ pattern was positively associated with VO2max in the total sample (β=0·04; 95 %CI 0·02, 0·07), girls (β=0·06; 95 % CI 0·03, 0·10) and boys (β=0·03; 95 % CI 0·01, 0·05).ConclusionsThese results indicate that increase in cardiorespiratory fitness was associated with a healthier dietary pattern, suggesting both should be targeted as part of a global lifestyle approach. Longitudinal studies are needed to confirm this association in relation to health outcomes in New Zealand adolescents.
- Subjects
NEW Zealand; CARDIOPULMONARY fitness; DIETARY supplements; ADOLESCENT nutrition; FOOD preferences in children; BODY mass index; NEW Zealanders; HEALTH; BODY composition; COMPARATIVE studies; FACTOR analysis; FRUIT; RESEARCH methodology; MEDICAL cooperation; QUESTIONNAIRES; REGRESSION analysis; RESEARCH; VEGETABLES; SOCIOECONOMIC factors; EVALUATION research; LIFESTYLES; OXYGEN consumption; CROSS-sectional method
- Publication
Public Health Nutrition, 2016, Vol 19, Issue 7, p1279
- ISSN
1368-9800
- Publication type
journal article
- DOI
10.1017/S1368980015002566