Zachary Ta

Mr. Zachary Ta

Clinical Sciences, Noorda College of Osteopathic Medicine, Provo, Utah, USA
orcid

Research Focus & Metrics

Academic Career Length

5Years (2022-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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2 March 2022 in Behavioral Sciences
Verified
Journal Article
Open access
PDF file
KOKyanna Orr
Kyanna Orr
ZTZachary Ta
Zachary Ta
Kimberley ShoafKimberley Shoaf
Kimberley Shoaf
THTanya Halliday
Tanya Halliday
STSelene Yvonne Tobin
Selene Yvonne Tobin
KBKelly Baron
Kelly Baron
The COVID-19 pandemic has changed routines and habits, raising stress and anxiety levels of individuals worldwide. The goal of this qualitative study was to advance the understanding of how pandemic-related changes affected sleep, diet, physical activity (PA), and stress among adults. We conducted semi-structured, qualitative interviews with 185 participants and selected 33 interviews from a represented sample based on age, race, and gender for coding and analysis of themes. After coding for thematic analysis, results demonstrated four primary themes: sleep, diet, PA, and stress. Sleep sub-themes such as poorer sleep quality were reported by 36% of our participants, and 12% reported increased an frequency of vivid dreams and nightmares. PA was decreased in 52% of our participants, while 33% experienced an increase and 15% experienced no change in PA. Participants also reported having an improved diet, mostly among women. Stress was elevated in 79% of our participants and was more likely to be discussed by women. Many participants reported how stress was involved in precipitating health behavior change, especially for sleep. Increased stress was also linked to elevated anxiety and depression among participants. The results of this qualitative study demonstrate how managing stress could have a beneficial effect on promoting health behaviors and mental health during the COVID-19 pandemic and beyond.

24 May 2026
Verified
Open access
OTOmar Taher
Omar Taher
ZTZachary Ta
Zachary Ta
AFAbdelaziz Farhat
Abdelaziz Farhat
We report a dual-etiology obstruction in an 8-year-old boy: congenital closed-loop small bowel obstruction (SBO) from a volvulized Meckel diverticulum tethered by an omphalomesenteric duct remnant, followed by early postoperative focal SBO from an omental band. He presented after one week of abdominal pain with worsening and non-bloody, non-bilious emesis. Contrast-enhanced computed tomography showed distal SBO with a mesenteric swirl. Laparoscopy confirmed a necrotic Meckel diverticulum with volvulized distal ileum; the tethering band was divided and segmental ileal resection with anastomosis performed. After transient return of bowel function, he developed recurrent distention and bilious emesis; imaging showed a discrete transition point near the anastomosis with decompressed distal bowel and colon. Symptoms persisted despite decompression and parenteral nutrition. Repeat laparoscopy revealed a single omental band proximal to the anastomosis; adhesiolysis resolved obstruction. Clinical lesson: early focal postoperative SBO with a discrete transition point may warrant prompt minimally invasive re-exploration.

26 December 2023 in Behavioral Sleep Medicine
Verified
Journal Article
Closed access
ZTZachary Ta
Zachary Ta
AGAllyson A. Gilles
Allyson A. Gilles
NPNasim Parsinejad
Nasim Parsinejad
MEMarlene J. Egger
Marlene J. Egger
KBKelly Baron
Kelly Baron
The goal of this study is to evaluate the factors associated with vulnerability and course of insomnia longitudinally in the COVID-19 pandemic and examine differences between: (a) those who never demonstrated clinical insomnia symptoms, (b) those who demonstrated clinically elevated insomnia symptoms at 1 or 2 time points, and (c) those who demonstrated clinically elevated insomnia symptoms at all 3 time points. Participants (≥18 years old) completed measures of insomnia (ISI), depression (PHQ-8), anxiety (GAD-7), and pre-sleep arousal (PSAS) at 3 time points (baseline, 1 month, and 3 months). Data were analyzed using univariable odds ratios and multivariable multicategory logistic regression to determine demographic, psychological, and behavioral predictors of insomnia persistence. A total of 129 participants completed all 3 assessments (70 female, age M = 44 years, SD = 16). We found that 40% (N = 51) never had insomnia symptoms, 33% (N = 42) reported transient insomnia symptoms (1 or 2 time points), and 28% (N = 36) reported persistent insomnia symptoms (all 3 time points). From the multivariable multicategory logistic analyses, pre-sleep arousal, gender, and income were significant predictors of insomnia persistence. Findings indicate elevated insomnia symptoms were persistent in a substantial number of individuals throughout the pandemic. Results suggest additional insomnia and psychological interventions are needed to improve sleep and mental health.