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Biomedical subjects

E Eyles

Publications and source records attributed to E Eyles.

8 recordsLinked to original sources

High density lipoprotein cholesterol and other serum lipids in New Zealand Maoris.

The pattern of fasting serum lipids, with emphasis on high density lipoprotein cholesterol, and the relationship of the lipids with each other and with other risk factors is examined in a population based sample of New Zealand Maoris. There are no sex differences in the distribution of total cholesterol and cholesterol fractions but triglycerides are higher in men. High density lipoprotein cholesterol levels are lower in Maoris than reported in other populations. High density lipoprotein cholesterol is negatively correlated with low density lipoprotein cholesterol but not associated with total cholesterol. High density lipoprotein cholesterol is negatively correlated with body mass index and in men high density lipoprotein cholesterol levels are higher in current alcohol drinkers. The possible relationship between the low levels of high density lipoprotein cholesterol and the high risk of coronary heart disease in Maoris requires investigation.

Adolescent↗

The Tokelau Islands children's study: atoll and New Zealand comparisons: physical growth.

A comparison is made between the birth weights, weights, heights, skinfold thicknesses, and head circumferences of two groups of Tokelauan children aged under 15 years. One group was living in Tokelau on their three home atolls and the other group was living in New Zealand. The children living in New Zealand were in general heavier, taller, had more body fat and larger head circumferences than the children living in Tokelau.

Adolescent↗

Blood pressure and migration in children.

The effect of migration on childhood blood pressure levels has been studied by comparing children before and after migration to New Zealand with children who stayed at home on the Pacific atolls of Tokelau. Data were collected in 1971 on 502 children (97% response rate) aged 5--14 years resident in Tokelau and follow-up data were collected in New Zealand and in Tokelau in 1975--1977 (respknse rate 91%). No selection factors were detected before migration. After migration, the younger migrants had significantly higher blood pressures and were heavier, but not taller, than the non-migrants. Weight differences explained some but not all of the blood pressure differences. There were no differences in body size between the 2 groups of older children although the older non migrant girls had higher blood pressure than the migrant girls.

Adolescent↗

Coronary heart disease in Maoris: incidence and case mortality.

In a sample of Maoris, the association between a five year incidence of coronary heart disease (CHD) and standard risk factors is examined. Prediction of new cases of CHD is attempted, and systolic blood pressure is found to be the most important predictor in both males and females. Approximately half the new cases are not predicted by the best sets of discriminatory variables.

Adult↗

A controlled smoking intervention programme in secondary schools.

This paper reports the result of an attempt to modify the cigarette smoking habits and attitudes of third and fourth form secondary school pupils. Baseline data was collected in two schools using an interviewer administered questionnaire. In one school a new intervention programme based on curriculum development was introduced. The other school had routine anti-smoking education only. The smoking habits and attitudes of the pupils were remeasured after seven months. In neither school was there a change in either smoking habits or attitudes. The implications of these results for future health education programmes are discussed.

Adolescent↗

Cigarette smoking habits, attitudes and associated social factors in adolescents.

Cigarette smoking habits and attitudes and associated social factors of 997 third and fourth form pupils were studied, using an interviewer administered questionnaire, in two co-educational secondary schools as part of a smoking intervention programme. Overall, 32 percent of the pupils were regular smokers with 15% smoking more than two cigarettes per day. The majority of smokers began smoking before secondary school; boys started earlier than girls,nd heavy smokers earlier than light smokers. The commonest reason for giving up smoking was personal dislike. Heavy smokers were more likely to have respiratory symptoms than other pupils. The smoking habits of the pupils were related to those of their parents, siblings and friends. The majority of pupils thought cigarette smoking bad for their health irrespective of their own smoking habits.

Adolescent↗

Blood pressure in Tokelauan children in two contrasting environments.

To assess the influence of the environment on blood pressure levels in children, the patterns of blood pressure in Tokelauan children resident in the isolated atolls of Tokelau and in New Zealand are compared. Blood pressure was measured twice by one observer using a random zero sphygmomanometer on 571 (96% response) Tokelauan children resident on the atolls and on 856 (95% response) Tokelauan children resident in New Zealand. After adjusting for cuff size and controlling for age, weight and height, the systolic blood pressure of New Zealand resident children was found to be significantly higher in boys of all ages and in girls under the age of eight. The difference does not appear to be due to selective migration; the association of the heavier weight of the New Zealand resident children with part of this blood pressure difference may be important from a preventive viewpoint.

Adolescent↗

Early life exposures and the prevalence of atopic disorders in a sample of school-age infants.

This study was undertaken to determine the relationship between genetic factors, early life environmental exposures, and the prevalence of atopic disorders in infants. 402 children attending schools in rural Essex were sampled in June 1999. Logistic regression models were fitted to examine the association between asthma, eczema, and rhinitis prevalence and a range of genetic and environmental risk factors. After adjustment, infant asthma was associated with the report of a serious chest infection before 3 years of age, a parent employed in a professional occupation, an asthmatic mother, and an asthmatic sibling. Amongst infants who had attended nursery school there was also an affect of age at first attendance. Associations with a chest infection and a family history of atopic conditions were similarly strong predictors of eczema and rhinitis prevalence. The results suggest that genetic influences and patterns of exposure to infections appear to be the greatest influences on the development of infant atopy.

Asthma↗