Diet and coronary heart disease in women

Dowler, Elizabeth

doi:10.1016/0306-9192(93)90079-q

Cited by 2 publications

(2 citation statements)

References 36 publications

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“…Apart from the regional focus, there are other important dimensions to consumption patterns and nutritional vulnerability such as age, gender, social class and poverty. The vulnerability of women and the importance of focusing intervention on poorer women has received attention in the literature [8].…”

Section: A Healthy Attitude?mentioning

confidence: 99%

Consumer awareness of citrus fruit attributes

Poole

Baron²

1996

British Food Journal

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Reports on research into the level of consumer awareness of the attributes of citrus fruit. Claims it is necessary to convert consumer attitudes towards healthy eating into appropriate consumer behaviour. Hypothesizes that consumer knowledge of some important attributes of fruit and vegetable products is low, and that better informed consumers might make better informed purchasing decisions. Describes the methodology and results of the survey which finds evidence that consumers are largely illinformed about the attributes of the citrus fruit that they purchase.

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Section: A Healthy Attitude?mentioning

confidence: 99%

Consumer awareness of citrus fruit attributes

Poole

Baron²

1996

British Food Journal

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“…23 The results of the analyses of the association between skewness and the mean supplement other lines of evidence, particularly surveys of attitude and behaviour,24 that indicate that the population does not behave homogeneously in response to dietary advice. Certain groups may change more rapidly than others, according to factors such as income,25 27 With the proviso that no longitudinal population dietary intake data are as yet available, the results reported here provide indirect evidence that the distribution of fat fraction intake may change with the mean to a degree that the setting and monitoring of nutritional goals may need to take account of changes in variance and shape of the intake distribution.…”

Section: Skewnessmentioning

confidence: 78%

Fat intake: implications of changes in distribution for setting dietary goals in the UK.

Pryer

Brunner

Marmot

1994

Journal of Epidemiology & Community Health

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Study objective -To examine (a) changes in the shape of the distribution of dietary fat intake as the mean dietary fat intake of the population shifts and (b) implications for setting national dietary goals. Design -Data on the percentage of energy from total fat, saturates, monounsaturates, polyunsaturates, and the P:S ratio were analysed for two dietary intervention trials and six cross sectional dietary surveys. The nutrient distributions from each study were described in terms of the mean, standard deviation (SD), coefficient of variation (CV), and skewness statistic. For the intervention trials statistical parameters were compared for groups who received and did not receive dietary advice. For the cross sectional studies, statistical parameters were compared across groups with different levels of mean fat intake. The implications of the results for setting dietary goals were considered using statistical models. Main results -For most fat fractions there was a positive association between the mean and the SD, and an inverse association between the mean and the CV, indicating that as the mean shifts upwards the SD increases but not in proportion to the mean. This is intermediate between a constant SD and a constant CV model. For a population nutrient goal of a maximum of 15% saturates, the estimated population mean for British women would be 8-4% using the constant SD model and 10-8% using the constant CV model. For saturates and the P:S ratio, a lower mean intake was associated with a greater positive skew in the distribution of reported intakes. For saturates, this is consistent with a group of high fat consumers who fail to reduce their intake as the population mean shifts downwards: a "rearguard effect". Findings for the P:S ratio are consistent with a group of consumers who produced a strong positive skew at low mean intakes, which reduced in size as the mean population intake increases: a "vanguard effect". Conclusions -These findings provide evidence that the distribution offat intake may change with the mean to a degree that the setting and monitoring ofnutritional goals may need to take account of changes in variance and shape of the intake distribution. (J7 Epidemiol Community Health 1994;48:543-548) A reduction in the population mean dietary fat intake could theoretically be accompanied by a number of different distributions of intake:(1) The fat intake distribution might stay approximately normal as mean intake decreased, retaining the breadth of the intake range (a constant standard deviation (SD) model); (2) The distribution might remain normal, but with a narrowing of the range (a constant coefficient of variation (CV) model); (3) If a section of the population whose intakes were already at the lower end ofthe distribution made the greatest changes and reduced their intakes still further, a distribution skewed to the left could be obtained; (4) If a section of the population whose intakes were located at the upper end ofthe distribution did not reduce their intakes, a distribution s...

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Diet and coronary heart disease in women

Cited by 2 publications

References 36 publications

Consumer awareness of citrus fruit attributes

Consumer awareness of citrus fruit attributes

Fat intake: implications of changes in distribution for setting dietary goals in the UK.

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