[Relationships among risk knowledge, attitudes and ability to resist substance abuse in adolescents].

Background: The Ministries of Justice and Education have implemented adolescent substance abuse prevention programs for many years. Rates of substance abuse among high school students continue to rise in spite of such programs.

Purpose: This study investigates adolescents' substance abuse-related knowledge and attitudes and self-confidence to resist substance use in order to identify predictive factors of poor adolescent resistance to substance use.

Relationships between personal, depression and social network factors and sleep quality in community-dwelling older adults.

Improving sleep quality is key to increasing life quality for the elderly. Clarifying the nature of sleep conditions and the factors that influence such is necessary to enrich the base of knowledge available to the clinical nursing profession and encourage effective nursing interventions in older populations. Purposes of this study were to describe sleep quality and identify the personal, depression and social network determinants of sleep quality among older people living independently.