Chronic Energy Deficiency : Consequences and Related Issues (International Dietary Energy Consultative Group - IDECG, 1987, 201 pages): The energy requirements of pregnancy and lactation: 3. Methodology: 3.8. Frequency of measurements

Chronic Energy Deficiency : Consequences and Related Issues (International Dietary Energy Consultative Group - IDECG, 1987, 201 pages)

The energy requirements of pregnancy and lactation

3. Methodology

		3.1. Selection of subjects
		3.2. Body weight and body fat
		3.3. Energy intake
		3.4. Basal metabolic rate (BMR)
		3.5. Standardized exercise test
		3.6. Normal daily activity pattern
		3.7. Daily energy expenditure
		3.8. Frequency of measurements

3.8. Frequency of measurements

There were some differences in the frequency with which the various measurements were made in the five countries. The relevant information for body weight and body fat has already been given. For energy intake, BMR, activity pattern, and daily energy expenditure, the norm in all centres was that all these measurements were carried out at 6-weekly intervals. In Glasgow, after the first 21 women, these measurements were made either at 4-weekly intervals, or at 2-weekly intervals. This was done because of the large variability, both within as well as between individuals, particularly for energy intake and BMR.