Publications by authors named "Victor J Stevens"

Background: Childhood adiposity is inversely associated with young adult percent dense breast volume (%DBV) and absolute dense breast volume (ADBV), which could contribute to its protective effect for breast cancer later in life. The objective of this study was to identify metabolites in childhood serum that may mediate the inverse association between childhood adiposity and young adult breast density.

Methods: Longitudinal data from 182 female participants in the Dietary Intervention Study in Children (DISC) and the DISC 2006 (DISC06) Follow-Up Study were analyzed.

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Background: Healthier lifestyles in early pregnancy are associated with lower rates of pregnancy complications, childhood adiposity, and maternal and child cardiovascular risks. However, it is not known whether lifestyle coaching initiated prior to pregnancy can affect behavior and attitudes during pregnancy.

Methods: Three hundred and twenty six women planning pregnancy within 2 years with BMI ≥27 kg/m were randomized to a behavioral weight loss intervention or to usual care.

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BackgroundThe Diabetes Prevention Program (DPP) has been translated into digital formats. We report an economic evaluation of a digital DPP implemented in a large, integrated health care system. MethodsPatients (n = 4148) were invited to participate in digital DPP based on clinical characteristics (HbA1c 5.

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The purpose of this natural experiment study was to assess the effectiveness of a 12-month digital Diabetes Prevention Program (DPP) for adults aged 65-75 years with prediabetes and obesity within a large, integrated health care system. Adjusting for propensity scores and covariates, patients who enrolled and participated in the digital DPP had a mean weight loss of 8.6 lb over 12 months and 5.

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Introduction: Implementation of a Diabetes Prevention Program (DPP) in both in-person and digital health-care settings has been increasing. The purpose of this article is to describe the protocol of a mixed-methods, natural experiment study designed to evaluate the implementation of DPP in a large, integrated health system.

Methods: Kaiser Permanente Northwest patients who were 19 to 75 years with prediabetes (hemoglobin A1c or glycated hemoglobin, 5.

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Article Synopsis
  • Women with high body mass index (BMI) are advised to lose weight before pregnancy, but the effects of this weight loss on gestational diabetes risk had not been studied prior to this research.
  • This study analyzed a clinical trial where women aged 18-40 with a BMI of 27 or higher were randomly assigned to either a weight loss intervention or usual care to see if it affected early gestational diabetes diagnosis.
  • Results showed that women in the weight loss group were 73% less likely to be diagnosed with gestational diabetes early in pregnancy compared to those receiving usual care, indicating that weight loss before pregnancy can positively influence metabolic health.
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Background: The Diabetes Prevention Program (DPP) and Look AHEAD studies demonstrated that modest weight loss and increased physical activity can significantly reduce the incidence of diabetes among overweight individuals with prediabetes. However, these studies involved costly interventions, all of which are beyond the reach of most real-world settings serving high-risk, low-income populations. Our project, De Por Vida, implemented a diabetes risk-reduction intervention for Hispanic women in a Federally Qualified Health Center and assessed the program's efficacy.

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Background: Women with elevated body mass index are encouraged to lose weight before pregnancy, but no trials have tested the effects of prepregnancy weight loss on health outcomes.

Objective: This study aimed to determine whether prepregnancy weight loss reduces gestational weight gain and improves pregnancy outcomes.

Study Design: Pragmatic randomized clinical trial was conducted between May 2015 and October 2019 at Kaiser Permanente Northwest, an integrated health system.

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Hispanic women are at high risk for type 2 diabetes (T2D), with obesity and unhealthy eating being important contributing factors. A cross-sectional design was used in this study to identify dietary patterns and their associations with diabetes risk factors. Participants completed a culturally adapted Food Frequency Questionnaire capturing intake over the prior 3 months.

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Purpose: To identify patterns of behavioral adherence among 388 African Americans who participated in the Weight Loss Maintenance trial and examine associated psychosocial factors.

Methods: Using repeated measures latent class analysis, we modeled patterns of adherence to recommendations regarding fruit and vegetable, total fat, and saturated fat intake and physical activity at baseline, 6, and 18 months. Latent classes were compared on the SF-36 (mental health composite and vitality subscale), Perceived Stress Scale, and PHQ-8 at each time point.

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Introduction: Middle-aged Hispanic women have the highest prevalence of overweight and lifetime risk for diabetes of all gender/racial groups. This study examines use of alternative medicine for weight loss and diabetes management among overweight and obese Mexican American women with or at risk for diabetes.

Method: As part of a diabetes risk-reduction intervention targeting overweight and obese Hispanic women at a federally qualified health center in Hillsboro, Oregon, we administered a survey of different treatment modalities, including alternative medicine, traditional Mexican medicine, and home remedies to 85 Hispanic women.

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Article Synopsis
  • A study focused on overweight Hispanic women at risk for type 2 diabetes assessed the prevalence of undiagnosed hyperglycemia among 196 participants at a Federally Qualified Health Center.
  • Of these women, 36% were already diagnosed with diabetes, 20% with prediabetes, and 44% had neither diagnosis; however, 63% of those without a diagnosis showed prediabetes indicators during screening.
  • The findings suggest a significant number of participants had undiagnosed hyperglycemia, indicating a potential lack of awareness about diabetes risk that may hinder their screening adherence.
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  • The study aimed to assess the link between consistent smoking cessation support from healthcare professionals and achieving long-term quitting success among smokers.
  • Utilizing a large cohort of over 33,000 patients from six different health systems in the U.S., the research analyzed data from electronic health records over several years.
  • Results showed that patients receiving smoking cessation support in at least 75% of their primary care visits were nearly three times more likely to quit smoking long-term compared to those receiving minimal assistance, highlighting the benefits of regular support in helping smokers quit.
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Background: We have demonstrated previously that patterns of behavioral adherence in the first 6 months of behavioral lifestyle interventions were associated with significant weight loss at 18 months. In this article, we extend this work to examine patterns of behavioral adherence over 18 months and to explore baseline demographic and psychosocial predictors.

Method: Latent class analysis was applied separately to the Weight Loss Maintenance and PREMIER trials data to examine patterns of adherence to the following recommendations: (1) consuming ≥9 servings of fruits and vegetables per day, (2) ≤25% of energy from total fat, (3) ≤7% energy from saturated fat, and (4) ≥180 minutes of moderate-to-vigorous physical activity per week.

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In the U.S., the occurrence of weight counseling in primary care for patients with obesity decreased by 10% between 1995-1996 and 2007-2008.

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Background: In 2008, the National Heart, Lung, and Blood Institute convened an Implementation Science Work Group to assess evidence-based strategies for effectively implementing clinical practice guidelines. This was part of a larger effort to update existing clinical practice guidelines on cholesterol, blood pressure, and overweight/obesity.

Objectives: Review evidence from the published implementation science literature and identify effective or promising strategies to enhance the adoption and implementation of clinical practice guidelines.

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Background: In 2008, the National Heart, Lung, and Blood Institute convened an Implementation Science Work Group to assess evidence-based strategies for effectively implementing clinical practice guidelines. This was part of a larger effort to update existing clinical practice guidelines on cholesterol, blood pressure, and overweight/obesity.

Objectives: Review evidence from the published implementation science literature and identify effective or promising strategies to enhance the adoption and implementation of clinical practice guidelines.

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Objective: This analysis was focused on 1-year maternal and infant follow-up of a randomized trial that tested a weight management intervention conducted during pregnancy.

Methods: One hundred fourteen women with obesity (mean BMI 36.7 kg/m(2) ) were randomly assigned at a mean of 15 weeks gestation to a weight management intervention or usual care control condition.

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Background: Women who are overweight or have obesity at pregnancy onset, and those who gain excessive weight during pregnancy, are at increased risk of pregnancy-related complications and large for gestational age infants.

Objective: This report describes methodology for the Prepare study, a randomized, controlled clinical trial testing a preconception and pregnancy weight management program for women who are overweight or have obesity (BMI≥27kg/m(2)).

Outcomes: This trial examines multiple pregnancy and neonatal outcomes, with the primary outcome being gestational weight gain (GWG).

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Objective: In the Weight Loss Maintenance (WLM) Trial, a personal contact (PC) intervention sustained greater weight loss relative to a self-directed (SD) group over 30 months. This study investigated the effects of continued intervention over an additional 30 months and overall weight change across the entire WLM Trial.

Methods: WLM had 3 phases.

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Rationale: Maternal prepregnancy obesity has been associated with early wheeze and childhood asthma in their offspring. Some of these studies have been in minority, urban, and disadvantaged populations using parental recall and questionnaires. The association of maternal prepregnancy obesity with bronchodilator dispensing to their offspring, in a primarily insured, non-urban, White population in the United States is unknown.

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Objective: Individuals taking antipsychotic medications have increased risk of obesity-related early morbidity/mortality. This report presents weight maintenance results from a successful weight loss and behavioral lifestyle change program developed for people taking antipsychotic medications.

Methods: STRIDE was a two-arm randomized controlled trial.

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Little research has examined costs of adopting a successful lifestyle intervention for people with serious mental illnesses in community clinics. The study aims to calculate the real-world costs of implementing a group-based weight-loss and lifestyle intervention in community settings. We used empirically derived costs to estimate implementation costs and conducted sensitivity analyses to estimate costs: (1) when implementing the intervention in high/low resource-intensive environments and (2) assuming variability in participant enrollment.

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Introduction: Overweight and obesity in childhood and adolescence are associated with reduced breast cancer risk, independent of adult body mass index (BMI). These associations may be mediated through breast density.

Methods: We prospectively examined associations of early life body fatness with adult breast density measured by MRI in 182 women in the Dietary Intervention Study in Children (DISC) who were ages 25-29 at follow-up.

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Article Synopsis
  • The CER Hub is a web-based platform designed for comparative effectiveness research that enables the integration of electronic health data from various organizations with different EHR systems.
  • It processes both free-text and coded clinical data, while offering standardized access and a library of tools for researchers to develop specific applications.
  • The platform is currently utilized in studies assessing asthma medication effectiveness and smoking cessation services in diverse healthcare settings, demonstrating its capability to handle complex, multi-institutional clinical data.
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