Publicaties

Background:To optimize long-term outcomes, patients with congenital heart disease (CHD) should adopt health-promoting behaviors. Studies on health behavior in afflicted patients are scarce and comparability of study results is limited. To enlarge the body of evidence, we have developed the Health Behavior Scale-Congenital Heart Disease (HBS-CHD). Aims:We examined the psychometric properties of the HBS-CHD by providing evidence for (a) the ...

This dissertation mainly intended to offer a broader approach on issues in the context of the unexpected shocks in the oil industry, risk management policy by hedge fund and CTA managers, and explaining the market participants’ behavior in line with the theory of market efficiency. The thesis proceeds as follows: the introductory chapter details the general background, motivation, and briefly explains the outline and contributions of this ...

Sexual minority adolescent sexual risk behavior studies often overlook young women, do not consider behavior- and identity-based sexual orientation indicators in combination, and focus mainly on condomless sex. We examined multiple risk behaviors in a large sample of adolescent young men and women using combined behavior- and identity-based indices. The 2015 Dane County Youth Assessment data included 4734 students in 22 high schools who had ever ...

Previous research has suggested that sexually aggressive behavior and sexual HIV risk behavior are associated. Childhood sexual abuse (CSA) is a well-established risk factor for both types of problematic sexual behavior. Negative affect (i.e., anxiety, depression, and anger) is a less well-studied risk factor, but it has been theorized to relate to both sexual aggression and HIV risk behavior. Thus, this study sought to (1) confirm the ...

Most peer influence research examines socialization between adolescents and their best friends. Yet, adolescents also are influenced by popular peers, perhaps due to misperceptions of social norms. This research examined the extent to which out-group and in-group adolescents misperceive the frequencies of peers' deviant, health risk, and adaptive behaviors in different reputation-based peer crowds (Study 1) and the prospective associations ...

Background: Research has shown that sexual risk behavior, as well as transition-related risk behavior, such as uncontrolled hormone use, auto-medication, and silicone injections, may lead to several adverse health outcomes for transgender persons. Transgender sex workers are a vulnerable group within the transgender population, who are at increased risk for these health risk behaviors. However, European research into this topic and risk ...

Objective: To assess socio-demographic and behavioural characteristics of clients of female sex workers in Abidjan, and to determine their HIV prevalence and related risk factors.

Design: A cross-sectional study among clients of female sex workers in Abidjan, Côte d'Ivoire.

Methods: A trained interviewer approached clients leaving the room of a female sex worker and invited them for an interview using a structured ...