Guadalupe X. Ayala

ORCID: 0000-0002-3850-5798
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About
Contact & Profiles
Research Areas
  • Obesity, Physical Activity, Diet
  • Food Security and Health in Diverse Populations
  • Health and Lifestyle Studies
  • Eating Disorders and Behaviors
  • Nutritional Studies and Diet
  • Physical Activity and Health
  • Obesity and Health Practices
  • Diabetes Management and Education
  • Consumer Attitudes and Food Labeling
  • Asthma and respiratory diseases
  • Consumer Retail Behavior Studies
  • Health disparities and outcomes
  • Racial and Ethnic Identity Research
  • Child Nutrition and Feeding Issues
  • School Health and Nursing Education
  • Cardiovascular Health and Risk Factors
  • Smoking Behavior and Cessation
  • Community Health and Development
  • Health Policy Implementation Science
  • Urban Transport and Accessibility
  • Dental Health and Care Utilization
  • Chronic Disease Management Strategies
  • Patient-Provider Communication in Healthcare
  • Primary Care and Health Outcomes
  • Childhood Cancer Survivors' Quality of Life

San Diego State University
2016-2025

Institute for Community Health
2013-2025

Public Health Institute
2023-2025

University of San Diego
2022

University of Miami Health System
2021

University of California, San Diego
2000-2017

University of Alabama at Birmingham
2011-2017

University of North Carolina at Chapel Hill
2004-2017

University of California, Los Angeles
2016

Upstate University Hospital
2015

Background:Studies have shown self-monitoring can modify health behaviors, including physical activity (PA). This study tested the utility of a wearable sensor/device (Fitbit® One™; Fitbit Inc., San Francisco, CA) and short message service (SMS) text-messaging prompts to increase PA in overweight obese adults.Materials Methods:Sixty-seven adults wore One tracker for 6 weeks; half were randomized also receive three daily SMS-based prompts. The consisted instant feedback on performance Web...

10.1089/tmj.2014.0176 article EN Telemedicine Journal and e-Health 2015-06-02

Abstract Objectives: This paper introduces qualitative methods for assessing the acceptability of an intervention. Methods: Acceptability refers to determining how well intervention will be received by target population and extent which new or its components might meet needs organizational setting. In this paper, we focus on two common conducting research their advantages disadvantages: groups interviews. Results: We provide examples from our own other studies demonstrate use these one adapt...

10.1111/j.1752-7325.2011.00241.x article EN Journal of Public Health Dentistry 2011-01-01

Physical inactivity is increasing among adolescents in the U.S., especially girls. Despite growing evidence that parents are an important influence on adolescent health, few longitudinal studies have explored causal relationship between parental and physical activity. This study examines how relationships influences activity differ by gender tests whether these mediated adolescents' self-esteem depression.Data from National Longitudinal Study of Adolescent Health. The sample includes 13,246...

10.1186/1479-5868-4-3 article EN cc-by International Journal of Behavioral Nutrition and Physical Activity 2007-01-01

Over the past 10 years, growth of Latino population in United States has been most rapid North Carolina. Project Realidad Latina (Latino Reality) was a qualitative exploratory study conducted to gain insight into immigration experiences newly-arrived adolescents living rural Carolina (NC). The followed community-based participatory research (CBPR) approach and used photovoice method. one-year period, partnered with public health practitioners researchers in: generating photo-assignments,...

10.1080/13561820400011701 article EN Journal of Interprofessional Care 2004-01-01

This study examined sociodemographic and cultural determinants of away-from-home food consumption in two contexts the influence frequency on children's dietary intake parent child weight status.Parents children (N=708) grades K-2 were recruited from 13 elementary schools Southern California. Parents asked through a questionnaire with which they eat meals away home restaurant frequented most often. The height parents their measured to calculate BMI.Consuming foods at least once week...

10.1038/oby.2008.34 article EN Obesity 2008-02-28

To document implementation challenges and opportunities associated with small store interventions.

10.5993/ajhb.38.2.16 article EN American Journal of Health Behavior 2013-11-15

Background. The study examined the association of obesity with acculturation in a large and diverse sample US Hispanic/Latino adults. Methods. Hispanic Community Health Study (HCHS)/Study Latinos (SOL) is community-based cohort adults aged 18–74 years (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mi>N</mml:mi><mml:mo>=</mml:mo><mml:mn fontstyle="italic">16,415</mml:mn></mml:math>) from four urban areas. Height weight were directly measured using standardized...

10.1155/2015/186276 article EN cc-by Journal of Obesity 2015-01-01

Mobile phone interventions are evidence-based methods for preventing obesity among Latino adults and school-aged children; however, few such exist to improve the obesogenic behaviors of children in developmentally critical preschool years (ages 2–5). Focusing on this age group is important since over one-quarter 2- 5-year-old overweight or obese. Moreover, most documented target mothers exclusively, ignoring influence that other caregivers as fathers grandparents have environment child’s...

10.1177/10901981241311232 article EN cc-by-nc Health Education & Behavior 2025-01-08

This paper describes the simultaneous co-development of Oral Health Behavior Social Support (OHBSS) scales in English and Spanish. OHBSS assess social support for toothbrushing, flossing, dental care utilization, which are targets interpersonal-level interventions to promote oral health among Hispanic/Latino adults. The focus was on Mexican-origin adults, who comprise largest United States subgroup experience a high disease burden. All participants self-identified as adults (ages 21–40 years...

10.1371/journal.pone.0317133 article EN cc-by PLoS ONE 2025-03-11

Participants (N=357) were randomly assigned to 1 of 3 conditions: lay health advisor (promotora) plus tailored print materials, materials only (tailored), or off-the-shelf (control). The primary outcomes calories from fat and daily grams fiber. Secondary included total energy intake, saturated carbohydrates. Adjusted for baseline values, 29%, 30%, 30% the promotora, tailored, control conditions, respectively, fiber consumed 16 g, 17 g. Significant Condition X Time interactions not observed...

10.1037/0278-6133.24.1.49 article EN Health Psychology 2005-01-01

BACKGROUND: The prevalence of overweight children has reached epidemic proportions, and affects Latinos youth more than other subgroups in the United States. Given obesity its economic consequences, community health initiatives have shifted toward primary prevention at younger ages. METHODS: Data representing all levels ecological systems theory were collected using diverse methods. Participants enrolled K-2nd grade their parents. RESULTS: Overweight less active compared to normal weight...

10.1111/j.1746-1561.2009.00462.x article EN Journal of School Health 2009-12-21

The purposes of this study were to (a) describe the extent which children use metered dose inhalers, turbuhalers, diskuses, and peak flow meters correctly, (b) investigate how often providers assess demonstrate turbuinhalers, during pediatric asthma visits.Children ages 8 through 16 with mild, moderate, or severe persistent their caregivers recruited at 5 practices in nonurban areas North Carolina. All medical visits audiotape-recorded. Children interviewed after visits, device technique was...

10.1542/peds.2010-1206 article EN PEDIATRICS 2011-03-29

Our objectives were to examine how certain aspects of provider-patient communication recommended by national asthma guidelines (ie, provider asking for child and caregiver input into the treatment plan) associated with medication adherence 1 month after an audio-taped medical visit.

10.1542/peds.2012-0913 article EN PEDIATRICS 2012-09-04
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