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Biomedical subjects

A Elliott

Publications and source records attributed to A Elliott.

At least 73 records · Page 4Linked to original sources
PubMed1975

A high sensitivity dual-detector shadow-shield whole-body counter with an 'invariant' response for total body in vivo neutron activation analysis.

The development of a dual-detector shadow-shield whole-body counting system of high sensitivity is described. The sensitivity and performance of the counter are analysed, with specific references to total body in vivo neutron activation analysis, and shown to be at least comparable with those of many conventional shielded-room counters.

Activation Analysis↗
PubMed1975

Influence of some social and environmental factors on the nutrient intake and nutritional status of schoolchildren.

Only children had significantly higher intakes of many nutrients and nutrients/1000 kcal than other children. A higher proportion of only children was found to be obese. There were no significant differences according to birthrank in intakes by children. There were more obese children among the fatherless than those with fathers, in particular among those whose mothers were widowed. However, this was not accounted for by the present dietary findings, since fatherless children had lower intakes of carbohydrate and added sugar. There were no differences in nutrient intake or intake/1000 kcal by mother's country of origin or her level of education, or by disposable income.

Adolescent↗
PubMed1975

School meals and the nutrition of schoolchildren.

The contribution of school meals to the nutrition of 778 primary and secondary schoolchildren attending schools in Kent was assessed using information collected during a survey made in 1968-70 which included a weighed diet record, a socioeconomic questionnaire, and a medical examination. Younger children, those from larger families, those without fathers, and those whose mothers worked were more likely to take school meals. Significantly more children from lower social classes and without fathers received them free. School meals made an important contribution to the nutrition of schoolchildren. Children who took them had higher weekday lunchtime nutrient intake during term-time. Children in lower social classes, larger families, and without fathers who took school meals obtained a higher proportion of their weekday intake of nutrients from lunchtime than other children. This applied in particular to nutrients important for growth. School meals consumed by children in the study broadly met the standard set by the Department of Education and Science. The mean energy and protein content of school meals consumed in the study was slightly lower and the mean fat content higher than the standard set for the meal. The mean sugar content was about one-third higher than the suggested amount of sugar to be included in a school meal. There was no evidence that children who took school meals were taller, heavier, had greater skinfold thickness, or were more likely to be assessed as obese than other children.

Adolescent↗
PubMed1969

Factors influencing the onset of chronic respiratory disease.

To investigate the effect of different environmental and personal factors on ventilatory function 10,971 children resident and going to school in four areas of Kent were examined. Details of past respiratory illnesses were obtained by a questionary completed by the parents; the examination included measurement of height, weight, and peak expiratory flow.Area of residence, social class, family size, and a past history of pneumonia, bronchitis, or asthma were found to be associated with differing levels of peak expiratory flow. These four factors acted independently, and the effects were additive. It is suggested that environment in the early years of life can produce adverse changes which may exist throughout life and contribute to the development of chronic respiratory disease.

Adolescent↗