Diet quality is associated with measures of body fat in adolescents from Otago, New Zealand

Jyh Eiin Wong, Winsome R. Parnell, Anna S. Howe, Alexandra C. Lubransky, Katherine E. Black, Paula M L Skidmore

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Objective To examine the potential associations between diet quality and multiple measures of body composition in a sample of New Zealand adolescents aged 14-18 years. Design Cross-sectional survey of eleven high schools in Otago, New Zealand. Each participant completed an online FFQ and a New Zealand Diet Quality Index for Adolescents (NZDQI-A) score was calculated based on variety and adequacy of intake for five major food groups. Besides height and waist circumference measurements, body composition was assessed using segmental bio-impedance analysis. Generalized estimating equations were used to examine associations between diet quality and body composition in models adjusted for sex, age, ethnicity and socio-economic status. Setting High schools in Otago, New Zealand. Subjects High-school students (n 681, 56 % male, mean age 16·1 (sd 1·5) years) participating in the Otago School Students Lifestyle Survey Two. Results Higher NZDQI-A scores were significantly associated with lower body fat percentage (β=-0·19; 95 % CI -0·35, -0·04; P=0·014), fat-to-lean mass ratio (β=-0·26; 95 % CI -0·46, -0·05; P=0·016) and lower fat mass index (β=-0·23; 95 % CI -0·45, -0·004; P=0·046) after multivariate adjustment. No association was found between NZDQI-A and BMI, waist circumference or waist-to-height ratio. Conclusions Diet quality, as measured by NZDQI-A, was associated only with measures of body fat, not measures of overall body size. Measures specific to body fat should be used for more accurate ascertainment of body composition in examining the diet-body composition associations in this age group.

Original languageEnglish
Pages (from-to)1453-1460
Number of pages8
JournalPublic Health Nutrition
Volume18
Issue number8
DOIs
Publication statusPublished - 29 Aug 2014

Fingerprint

New Zealand
Adipose Tissue
Diet
Body Composition
Waist Circumference
Fats
Students
Social Adjustment
Body Size
Electric Impedance
Life Style
Age Groups
Cross-Sectional Studies
Economics
Food

Keywords

  • Adolescent obesity
  • Body composition
  • Diet quality
  • Dietary patterns

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health

Cite this

Wong, J. E., Parnell, W. R., Howe, A. S., Lubransky, A. C., Black, K. E., & Skidmore, P. M. L. (2014). Diet quality is associated with measures of body fat in adolescents from Otago, New Zealand. Public Health Nutrition, 18(8), 1453-1460. https://doi.org/10.1017/S1368980014001645

Diet quality is associated with measures of body fat in adolescents from Otago, New Zealand. / Wong, Jyh Eiin; Parnell, Winsome R.; Howe, Anna S.; Lubransky, Alexandra C.; Black, Katherine E.; Skidmore, Paula M L.

In: Public Health Nutrition, Vol. 18, No. 8, 29.08.2014, p. 1453-1460.

Research output: Contribution to journalArticle

Wong, JE, Parnell, WR, Howe, AS, Lubransky, AC, Black, KE & Skidmore, PML 2014, 'Diet quality is associated with measures of body fat in adolescents from Otago, New Zealand', Public Health Nutrition, vol. 18, no. 8, pp. 1453-1460. https://doi.org/10.1017/S1368980014001645
Wong, Jyh Eiin ; Parnell, Winsome R. ; Howe, Anna S. ; Lubransky, Alexandra C. ; Black, Katherine E. ; Skidmore, Paula M L. / Diet quality is associated with measures of body fat in adolescents from Otago, New Zealand. In: Public Health Nutrition. 2014 ; Vol. 18, No. 8. pp. 1453-1460.
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abstract = "Objective To examine the potential associations between diet quality and multiple measures of body composition in a sample of New Zealand adolescents aged 14-18 years. Design Cross-sectional survey of eleven high schools in Otago, New Zealand. Each participant completed an online FFQ and a New Zealand Diet Quality Index for Adolescents (NZDQI-A) score was calculated based on variety and adequacy of intake for five major food groups. Besides height and waist circumference measurements, body composition was assessed using segmental bio-impedance analysis. Generalized estimating equations were used to examine associations between diet quality and body composition in models adjusted for sex, age, ethnicity and socio-economic status. Setting High schools in Otago, New Zealand. Subjects High-school students (n 681, 56 {\%} male, mean age 16·1 (sd 1·5) years) participating in the Otago School Students Lifestyle Survey Two. Results Higher NZDQI-A scores were significantly associated with lower body fat percentage (β=-0·19; 95 {\%} CI -0·35, -0·04; P=0·014), fat-to-lean mass ratio (β=-0·26; 95 {\%} CI -0·46, -0·05; P=0·016) and lower fat mass index (β=-0·23; 95 {\%} CI -0·45, -0·004; P=0·046) after multivariate adjustment. No association was found between NZDQI-A and BMI, waist circumference or waist-to-height ratio. Conclusions Diet quality, as measured by NZDQI-A, was associated only with measures of body fat, not measures of overall body size. Measures specific to body fat should be used for more accurate ascertainment of body composition in examining the diet-body composition associations in this age group.",
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