Utilizing the gathered failure data and failure interval data from Tabas coal mine in two years, this paper discusses the reliability of powered supports. The data sets were investigated using statistical procedures and in two levels: the existence of trend and serial correlation. The results show that the powered supports follow the Gamma reliability function. The reliability of the machine de...

Elaborate secondary sexual traits, such as the ornamental plumage of birds, may be favored by female choice because they serve as honest indicators of male quality. Elaborate traits are thought to be honest signals because they are expensive to produce and increase predation risk. Here we investigate another potential cost of elaborate traits, i.e., the time and energy required to maintain them...

conclusions results showed that sexual dysfunction is a prevalent disorder in opioid-dependent males. addiction withdrawal centers should be warned about the dysfunction caused by opioids and, from a clinical perspective, it is imperative that patients misusing opiates and those treated with methadone are routinely asked about their sexual functioning so that, if indicated, appropriate investig...

OBJECTIVE Using the Transtheoretical Model of behavioral change, this study evaluates the relationship between sleep quality and the motivation and maintenance processes of healthy behavior change. METHODS The current study is an analysis of data collected in 2008 from an online health risk assessment (HRA) survey completed by participants of the Kansas State employee wellness program (N=13,3...

OBJECTIVE To investigate the relationship between binge eating behavior and weight loss maintenance over a two-year period in adults. DESIGN Secondary data analysis using the Keep It Off study, a randomized trial evaluating an intervention to promote weight loss maintenance. PARTICIPANTS 419 men and women (ages: 20 to 70 y; BMI: 20-44 kg/m2) who had intentionally lost ≥10% of their weight d...

PURPOSE To determine the factors associated with the adoption or maintenance of consistent safer sexual behaviors among human immunodeficiency virus-positive adolescents and young adults with hemophilia. METHODS One hundred eleven adolescents at 10 hemophilia care sites participated in an intervention program designed to increase safer sexual behaviors (abstinence, condom use, or nonpenetrati...

In this article, we investigate the effectiveness of INSIGHTS into Children's Temperament (INSIGHTS), a temperament-based preventive intervention, in reducing the disruptive behavior problems of young children from low-income, urban families. Results indicate that children enrolled in INSIGHTS evidenced a decrease in disruptive behavior problems over the course of the intervention, with childre...

The development and dissemination of smart devices has cultivated a global environment of hyperconnectivity and increased our access to information. The paralleled launch and success of the Mobile Health industry has created a market of commercially available applications or "apps" along with tools or sensors, which allow the user to receive and collect personal health information. Apps and acc...