Daily energy expenditure and physical activity assessed by an activity diary in 374 randomly selected 15-year-old adolescents

Article Abstract:

A seven-day activity diary can be a valuable way of gaining information about total energy expenditure (TEE) and physical activity level (PAL) in Swedish teenagers living in different socio-economic conditions. It was established that everyday activities such as walking are very significant in determining PAL values. No evidence was found to support the view that Swedish adolescents have adopted a more sedentary way of life with a low energy intake over recent years. There may be differences in physical activity habits in teenagers in different parts of Sweden.

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A 7-day activity diary for assessment of daily energy expenditure validated by the doubly labelled water method in adolescents

Article Abstract:

The activity diary method can produce a reliable estimate of daily total energy expenditure (TEE) and physical activity level (PAL) in teenagers. Research undertaken among 50 teenagers in Sweden used a modification of the activity diary method to determine TEE and PAL. Measurements were also taken using the doubly labelled water method (DLW). It is important to be aware that recording an activity diary may have a negative impact on physical activity habits, probably leading to a reduction in TEE and PAL.

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Sex-related influence of body size and sexual maturation on blood pressure in adolescents

Article Abstract:

Research into the influence of body size and sexual maturation on blood pressure (BP) regulation indicates that body size is a major determinant of BP. In contrast, sexual maturation appears to influence BP levels largely through body growth. Gender seems to influence systolic blood pressure, which is much higher in male than female students, regardless of pubertal state. No sex-related difference was established for diastolic blood pressure values.

Blood pressure, Blood pressure regulation

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