Describing socioeconomic gradients in children’s diets – does the socioeconomic indicator used matter?

International Journal of Behavioral Nutrition and Physical Activity

James Dollman¹  Natalie Parletta³  Kylie Ball²  Dorota Zarnowiecki³ 

[1] School of Health Sciences, University of South Australia, GPO Box 2471, Adelaide, SA 5001, Australia;School of Nutrition and Exercise Science, Deakin University, Burwood Highway, Burwood, VIC3125, Australia;School of Population Health, University of South Australia, GPO Box 2471, Adelaide, SA 5001, Australia

关键词: Sweet drinks;    Non-core food;    Vegetables;    Fruit;    Diet;    Children;    Socioeconomic position;   

Others  :  803813
DOI  :  10.1186/1479-5868-11-44

 received in 2013-05-10, accepted in 2014-03-17,  发布年份 2014

【 摘 要 】

Background

Children of low socioeconomic position (SEP) generally have poorer diets than children of high SEP. However there is no consensus on which SEP variable is most indicative of SEP differences in children’s diets. This study investigated associations between diet and various SEP indicators among children aged 9–13 years.

Method

Families (n = 625) were recruited from 27 Adelaide primary schools in 2010. Children completed semi-quantitative food frequency questionnaires providing intake scores for fruit, vegetables, non-core foods, sweetened drinks, and healthy and unhealthy eating behaviours. Parents reported demographic information by telephone interview. Differences in dietary intake scores were compared across parental education, income, occupation, employment status and home postcode.

Results

Across most SEP indicators, lower SEP was associated with poorer dietary outcomes, including higher intake of non-core foods and sweetened drinks, and more unhealthy behaviours; and lower intake of fruit and vegetables, and fewer healthy behaviours. The number and type of significant SEP-diet associations differed across SEP indicators and dietary outcomes. Mother’s education appeared most frequently as a predictor of children’s dietary intake, and postcode was the least frequent predictor of children’s dietary intake.

Conclusion

Socioeconomic gradients in children’s dietary intake varied according to the SEP indicator used, suggesting indicator-specific pathways of influence on children’s dietary intake. Researchers should consider multiple indicators when defining SEP in relation to children’s eating.

【 授权许可】

   
2014 Zarnowiecki et al.; licensee BioMed Central Ltd.

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