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A placebo-controlled, double-blind study was carried out to assess the direct hormonal effects of combined and progestogen-only oral contraceptives on well-being and sexuality of women in two contrasting cultures. One-hundred-fifty women, who had been sterilised or whose partners had been vasectomised, were recruited from two centres-Manila, Philippines,(More)
BACKGROUND African-American and Hispanic women are disproportionately affected by sexually transmitted diseases, including the acquired immunodeficiency syndrome (AIDS). In the effort to reduce infection rates, it is important to create and evaluate behavioral interventions that are specific to the target populations. METHODS We enrolled women with(More)
OBJECTIVES This study examined whether past condom failure (breakage, slippage, or both) can predict future failure and evaluated other predictors of condom failure. METHODS At each of 3 international sites, approximately 130 male condom users were enrolled and given 5 condoms to use for vaginal intercourse over a 3-week period. RESULTS Men at increased(More)
BACKGROUND The US National Institutes of Health (NIH) and Centers for Medicare and Medicaid Services (CMS) sponsored a randomized clinical trial comparing six versus three times per week in-center hemodialysis (the Frequent Hemodialysis Network [FHN] Daily Trial), to test the effects of frequent hemodialysis on an array of intermediate outcomes. Herein we(More)
The diaphragm is not available in many countries, despite the recommendations of numerous authors that it has important advantages as a woman-controlled method that offers some protection against sexually transmitted diseases, and one that is safe and free of side effects. An interagency team collaborated to introduce the diaphragm in Colombia, the(More)
This paper describes the application of a translational research model in developing The Trial Using Motivational Interviewing and Positive Affect and Self-Affirmation in African-Americans with Hypertension (TRIUMPH), a theoretically-based, randomized controlled trial. TRIUMPH targets blood pressure control among African-Americans with hypertension in a(More)
OBJECTIVE To examine the relationship between the body size norms of Black and Hispanic adults and the body sizes of their social network members. METHODS Egocentric network data were examined for 245 adults recruited from 2012-2013 in New York City. A multivariable regression model was used to examine the relationship between participants' perception of(More)
OBJECTIVE To examine social network member characteristics associated with weight loss. METHODS A cross-sectional examination included egocentric network data from 245 Black and Hispanic adults with BMI ≥ 25 kg/m(2) enrolled in a small change weight loss study. The relationships between weight loss at 12 months and characteristics of helpful and harmful(More)
OBJECTIVE To evaluate the efficacy of a small change behavioral weight loss intervention with or without a positive affect/self-affirmation (PA/SA) component on weight loss at 12 months. METHODS Black and Hispanic adults (N = 405) with body mass index 25-50 kg/m2 selected one of ten small change eating strategies and a physical activity goal, randomly(More)
Community health centers (CHCs) provide optimal research settings. They serve a high-risk, medically underserved population in the greatest need of intervention. Low socioeconomic status renders this population particularly vulnerable to research misconduct. Traditional principles of research ethics are often applied to participants only. The(More)