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Carbohydrates and Health

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Table 7.1: Insufficient evidence - cohort studies<br />

Risk factor/health outcome/measure<br />

Cardiovascular disease<br />

Coronary events<br />

Stroke<br />

Incident hypertension<br />

Type 2 diabetes mellitus<br />

Impaired glucose tolerance<br />

Glycaemia<br />

Insulinaemia<br />

Glycosylated blood proteins<br />

Colo-rectal cancer<br />

Coronary events<br />

Weight gain<br />

Fat distribution<br />

Percentage body fat<br />

Waist circumference<br />

Exposure<br />

starch<br />

rice<br />

refined grains<br />

rice<br />

potatoes<br />

starch<br />

refined grains<br />

rice<br />

potatoes<br />

refined grains<br />

starch-rich foods<br />

potatoes<br />

starch<br />

potatoes<br />

starch<br />

starch<br />

starch<br />

refined grains<br />

rice<br />

potatoes<br />

starch<br />

starch<br />

starch<br />

refined grains<br />

Table 7.2: Insufficient evidence - r<strong>and</strong>omised controlled trials<br />

<strong>Health</strong> outcome<br />

Dental caries<br />

Exposure<br />

starch<br />

Table 7.3: Inconsistent evidence<br />

<strong>Health</strong> outcome<br />

Cardiovascular disease<br />

Exposure<br />

potatoes<br />

102<br />

Summary <strong>and</strong> conclusions<br />

7.24 There is a lack of available evidence on the relationship between starch or<br />

starch-rich foods <strong>and</strong> colo-rectal <strong>and</strong> oral health outcomes or cardiovascular<br />

risk factors. There were no prospective cohort studies or r<strong>and</strong>omised controlled<br />

trials conducted in children <strong>and</strong> adolescents. With observational studies there is<br />

substantial potential for biases <strong>and</strong> the possibility of confounding by an extraneous<br />

variable that correlates with both the dependent variable <strong>and</strong> the independent<br />

variable (residual confounding). Any associations must therefore be interpreted<br />

with caution.

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