We evaluated the efficacy of recommended tuberculosis (TB) infection control measures by using a deterministic mathematical model for airborne contagion. We examined the percentage of purified protein derivative conversions under various exposure conditions, environmental controlstrategies, and respiratory protective devices. We conclude that environmental control cannot eliminate the risk for ...

watershed is regarded as a very complex system of natural, social, economic and ecological dimensions and like any similar systems, exploitation of its resources requires a comprehensive and coordinated planning and management. given the importance of watershed management projects for the development and management of natural resources, the enhancement of the efficiency of these activities is e...

Family environments can be characterized by their protective factors, risk factors, or both. Environments categorized as supportive and warm, where children are provided with resources such as a stimulating home environment, mother with a college degree, financial stability, and two-parent families afford children with many protective factors and have been shown to provide children with an oppo...

Organizations expect their employees to connect securely the organization's computer systems. Often these use personal computers access networks. This research explores whether same apply protective security measures computers. Perhaps behave riskily based on optimistic bias. Results indicate that while cyber bias and perceived vulnerability influence individuals more measures, users still expe...

OBJECTIVE To examine relationships of work and individual protective factors to health outcomes. METHODS Participants from 2 corporate samples completed measures of supervisor support, hardiness, coping, global stress, and symptoms of illness. RESULTS Regression analyses indicated that higher scores on hardiness and approach coping and being male predicted lower scores on stress and symptom...