What factors are associated with excess body weight in Australian secondary school students?

Morley, Belinda C., Scully, Maree L., Niven, Philippa H., Okely, Anthony D., Baur, Louise A., Pratt, Iain S., Wakefield, Melanie A. and Salmon, Jo 2012, What factors are associated with excess body weight in Australian secondary school students?, Medical journal of Australia, vol. 196, no. 3, pp. 189-192, doi: 10.5694/mja11.11184.

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Title What factors are associated with excess body weight in Australian secondary school students?
Author(s) Morley, Belinda C.
Scully, Maree L.
Niven, Philippa H.
Okely, Anthony D.
Baur, Louise A.
Pratt, Iain S.
Wakefield, Melanie A.
Salmon, JoORCID iD for Salmon, Jo orcid.org/0000-0002-4734-6354
Journal name Medical journal of Australia
Volume number 196
Issue number 3
Start page 189
End page 192
Total pages 4
Publisher MJA Group
Place of publication Sydney, N.S.W.
Publication date 2012-02-20
ISSN 1326-5377
Keyword(s) Adolescent
Cross-Sectional Studies
Diet Surveys
Motor Activity
Sex Distribution
Social Class
Surveys and Questionnaires
Video Games
NaSSDA Study Team
Summary OBJECTIVES: To examine the prevalence of overweight and obesity in Australian secondary school students and identify factors associated with excess adiposity. DESIGN, SETTING AND PARTICIPANTS: Cross-sectional survey of students aged 12-17 years (in school years 8-11) who completed the National Secondary Students' Diet and Activity survey in 2009-10, which included a web-based self-report questionnaire and height and weight measurements. MAIN OUTCOME MEASURES: Overweight and obesity based on international standard body mass index (BMI) cut-offs for children and adolescents. RESULTS: Data were analysed for 12 188 students. Just under one in four students were either overweight (18%) or obese (5%). After adjusting for demographic and health-behaviour characteristics, males were more likely than females to be overweight or obese (OR, 1.23; 95% CI, 1.07-1.40; P = 0.004), as were both low (OR, 1.67; 95% CI, 1.40-1.99; P < 0.001) and medium (OR, 1.33; 95% CI, 1.14-1.55; P < 0.001) socioeconomic position (SEP) students compared with high SEP students. Students engaging in low levels of physical activity (OR, 1.21; 95% CI, 1.08-1.36; P = 0.001), more time in small-screen recreation (OR, 1.18; 95% CI, 1.05-1.32; P = 0.005), and short sleep duration (OR, 1.22; 95% CI, 1.05-1.41; P = 0.008) also had higher odds of being overweight or obese. CONCLUSIONS: There is a need for interventions to reduce overweight and obesity during adolescence. Preventive measures should include a focus on facilitating physical activity and reducing sedentary behaviour, as well as promoting adequate sleep, particularly among young people from lower SEP neighbourhoods who appear to be most susceptible.
Language eng
DOI 10.5694/mja11.11184
Field of Research 111799 Public Health and Health Services not elsewhere classified
1117 Public Health And Health Services
1103 Clinical Sciences
Socio Economic Objective 0 Not Applicable
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©[2012, MJA Group]
Persistent URL http://hdl.handle.net/10536/DRO/DU:30089548

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