High dietary diversity is associated with obesity in Sri Lankan adults: an evaluation of three dietary scores

BMC Public Health

Andrew P Hills²  Bijesh Yadav⁴  Prasad Katulanda³  Mario J Soares¹  Nuala M Byrne⁵  Ranil Jayawardena³ 

[1] Curtin Health Innovation Research Institute, School of Public Health, Faculty of Health Sciences, Curtin University, Perth, WA, Australia;Mater Mother’s Hospital, Mater Medical Research Institute and Griffith Health Institute, Griffith University, Brisbane, QLD, Australia;Diabetes Research Unit, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka;Department of Biostatistics, Christian Medical College, Vellore, India;Institute of Health and Biomedical Innovation, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia

关键词: Adults;    Obesity;    Sri Lanka;    DDS;    Dietary variety;    Diet diversity;   

Others  :  1162367
DOI  :  10.1186/1471-2458-13-314

 received in 2013-01-06, accepted in 2013-04-03,  发布年份 2013

【 摘 要 】

Background

Dietary diversity is recognized as a key element of a high quality diet. However, diets that offer a greater variety of energy-dense foods could increase food intake and body weight. The aim of this study was to explore association of diet diversity with obesity in Sri Lankan adults.

Methods

Six hundred adults aged > 18 years were randomly selected by using multi-stage stratified sample. Dietary intake assessment was undertaken by a 24 hour dietary recall. Three dietary scores, Dietary Diversity Score (DDS), Dietary Diversity Score with Portions (DDSP) and Food Variety Score (FVS) were calculated. Body mass index (BMI) ≥ 25 kg.m^-2 is defined as obese and Asian waist circumference cut-offs were used diagnosed abdominal obesity.

Results

Mean of DDS for men and women were 6.23 and 6.50 (p=0.06), while DDSP was 3.26 and 3.17 respectively (p=0.24). FVS values were significantly different between men and women 9.55 and 10.24 (p=0.002). Dietary diversity among Sri Lankan adults was significantly associated with gender, residency, ethnicity, education level but not with diabetes status. As dietary scores increased, the percentage consumption was increased in most of food groups except starches. Obese and abdominal obese adults had the highest DDS compared to non obese groups (p<0.05). With increased dietary diversity the level of BMI, waist circumference and energy consumption was significantly increased in this population.

Conclusion

Our data suggests that dietary diversity is positively associated with several socio-demographic characteristics and obesity among Sri Lankan adults. Although high dietary diversity is widely recommended, public health messages should emphasize to improve dietary diversity in selective food items.

【 授权许可】

   
2013 Jayawardena et al.; licensee BioMed Central Ltd.

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