Variation in the timing of pubertal maturation may result in behavioral differences among early, mid-, and late maturers. Using data from the National Health Examination Survey, a national probability sample of children and youth aged 12-17, we investigated the relationships between maturational timing and body image, school behavior, and deviance. In terms of body image, the early maturing boys were the group most satisfied with height and weight. The early maturing girls were most dissatisfied with weight, with 69% wishing to be thinner. This great dissatisfaction with weight reported by early maturing girls is probably not an affect of early maturation, but a concomitant of maturation in general. The majority of girls became dissatisfied with their weight as they matured, and females from the higher social groups were more likely to want to be thinner than females from lower groups. Thus, a normal developmental process is being viewed negatively by females and positively by males. Male early maturers more often had deviant behavior, but there were no consistent findings for girls. There was no effect of maturational timing on teacher reports of school absence, adjustment, popularity, need for discipline, or grade repetition.
Objectives Global warming (or climate change) is a major public health issue, and health services are one of the largest contributors to greenhouse gas emissions in high-income countries. Despite the scale of the health care sector's resource consumption, little is known about the attitude of physicians and their willingness to participate in efforts to reduce the environmental impact of health services. Methods A survey of 236 obstetricians and gynaecologists at the University of Pittsburgh Medical Center in Western Pennsylvania, USA. Survey responses were compared to Gallup poll data from the general population using a one-sample test of proportions, Fisher's exact tests, Chi-square test, and logistic regression. Results Physicians in obstetrics and gynaecology were more likely than the public (84% vs. 54%; p<0.001) to believe that global warming is occurring, that media portrayal of its seriousness is accurate, and that it is caused by human activities. Two-thirds of physicians felt the amount of surgical waste generated is excessive and increasing. The majority (95%) would support efforts to reduce waste, with 66% favouring the use of reusable surgical tools over disposable where clinically equivalent. Despite their preference for reusable surgical instruments, only 20% preferred the reusable devices available to them. Conclusions Health care providers engaging in sustainability efforts may encounter significant support from physicians and may benefit from including physician leaders in their efforts.
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