Abstract:
OBJECTIVE:A lower glycaemic index (GI) diet is associated with a reduction in glycosylated Hb (HbA(1c)) in people with diabetes. Yet, little research has been conducted to determine the effects of specific goals regarding consumption of low GI (LGI) foods on diabetes outcomes. The present study evaluated a behavioural intervention on dietary intake, weight status and HbA(1c), which included a goal to consume either six or eight servings of LGI foods daily. DESIGN:A parallel two-group design was used. Following the 5-week intervention, participants were randomly assigned to the group of six (n 15) or eight (n 20) servings of LGI foods daily and followed up for 8 weeks. Dietary intake was assessed using the mean of 4 d food records. SETTING:A metropolitan community in the USA. SUBJECTS:Individuals aged 40-65 years with type 2 diabetes of ≥1 year and HbA(1c) ≥ 7·0 % were eligible. RESULTS:There was no significant difference between goal difficulty groups with regard to GI servings at the end of the study. However, mean consumption of LGI foods increased by 2·05 (SE 0·47) and 1·65 (SE 0·40) servings per 4184 kJ in the six (P < 0·001) and eight (P < 0·001) LGI serving groups, respectively. For all participants combined, there were significant decreases in mean HbA(1c) (-0·58 (SE 0·21) %; P = 0·01), weight (-2·30 (SE 0·78) kg; P = 0·01), BMI (-0·80 (SE 0·29) kg/m(2); P = 0·01) and waist circumference (-2·36 (SE 0·81) cm; P = 0·01). CONCLUSIONS:An intervention including a specific goal to consume six to eight servings of LGI foods daily can improve diabetes outcomes. Clinicians should help patients set specific targets for dietary change and identify ways of achieving those goals.
journal_name
Public Health Nutrjournal_title
Public health nutritionauthors
Miller CK,Headings A,Peyrot M,Nagaraja Hdoi
10.1017/S1368980011000085subject
Has Abstractpub_date
2011-07-01 00:00:00pages
1303-11issue
7eissn
1368-9800issn
1475-2727pii
S1368980011000085journal_volume
14pub_type
杂志文章,随机对照试验abstract:OBJECTIVE:The current research aims to describe the weight-control strategies and family support for young people reporting sustained weight loss in a large, population-based sample. DESIGN:Data were collected as part of Youth'07, a nationally representative survey of the health and well-being of New Zealand youth. S...
journal_title:Public health nutrition
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abstract:OBJECTIVE:We explored the use of feedback in interactive web-based questionnaires for collecting data on lifestyle factors in epidemiological studies. DESIGN:Here we report from a cohort study on lifestyle factors and upper respiratory tract infections among 1805 men and women. We introduced interactivity in the form ...
journal_title:Public health nutrition
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pub_type: 杂志文章,评审
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章,meta分析,评审
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pub_type: 杂志文章,多中心研究,随机对照试验
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pub_type: 杂志文章,随机对照试验
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更新日期:2007-06-01 00:00:00
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1998-09-01 00:00:00
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更新日期:2004-12-01 00:00:00