← All researchers

Alexander Preko

University of Professional Studies

66 publications · 824 citations · ORCID 0000-0002-7577-7848

Diverse Aspects of Tourism ResearchCustomer Service Quality and LoyaltyHalal products and consumer behaviorReligious Tourism and SpacesConsumer Behavior in Brand Consumption and Identification

We prepare their research opportunity report and reach out personally to introduce you — their contact details stay private.

Know them?Invite to claim·

Reach out

Their published papers and profiles list institutional contact details.

This profile was built automatically from public publication records and has not yet been claimed by the researcher.

Research opportunities

Study designs adjacent to this body of work — each grounded in the published record and scoped so a trainee could run it.

Claim your researcher profile

This profile was built from your public publication record — claim it to manage it.

How do specific cultural beliefs regarding 'insufficient milk' in rural South African communities mediate the relationship between maternal dietary diversity and the introduction of prelacteal feeds?

Why this gap exists: While the retrieved papers discuss general breastfeeding barriers in South Africa [8] and cultural influences in other regions like Ethiopia [6] and Malaysia [9], none specifically address the mediation of 'insufficient milk' beliefs on the relationship between maternal dietary diversity and prelacteal feeds in rural South African communities.

Sources

  1. African Political Systems.American Sociological Review, 1940
  2. Maternal nutrition counselling is associated with reduced stunting prevalence and improved feeding practices in early childhood: a post-program comparison studyNutrition Journal, 2019
  3. Trends and determinants of early initiation of breastfeeding and exclusive breastfeeding in Ethiopia from 2000 to 2016International Breastfeeding Journal, 2019
  4. Marketing of commercial milk formula: a system to capture parents, communities, science, and policyThe Lancet, 2023
  5. Facilitators, barriers, and factors determining the willingness to donate human milk among postpartum mothers in a tertiary women's hospital in Nepal: a cross-sectional study.International breastfeeding journal, 2026
  6. Assessment of Infant and Young Child Feeding Practices among Mothers Attending Maternal and Child Health Clinic at a Tertiary Hospital, North Karnataka, India - A Cross-sectional Study.Indian journal of community medicine : official publication of Indian Association of Preventive & Social Medicine, 2025
  7. Sociocultural and structural influences on infant and young child feeding in pastoralist communities of Afar, Ethiopia: a qualitative phenomenological study.BMJ open, 2026
  8. Knowledge, attitude, and practice of exclusive breastfeeding among mothers in East Africa: a systematic reviewInternational Breastfeeding Journal, 2020
  9. Facilitators and barriers associated with breastfeeding among mothers attending primary healthcare facilities in Mpumalanga, South Africa.Frontiers in nutrition, 2023
  10. Assessing the Influence of Cultural Beliefs and Practices on Early Breastfeeding Initiation Rates in Rural Sarawak Communities, MalaysiaScientific Journal of Pediatrics, 2023

How does the aggressive marketing of breastmilk substitutes in low-income countries specifically modify the effectiveness of workplace breastfeeding interventions on exclusive breastfeeding rates?

Why this gap exists: While the retrieved literature addresses workplace barriers [7] and the negative impact of breastmilk substitute marketing [2, 9] separately, no study directly investigates the interaction effect or modification of workplace intervention effectiveness by aggressive marketing in low-income countries.

To what extent does maternal access to improved water and sanitation facilities mediate the relationship between maternal undernutrition and child developmental outcomes during the first 1,000 days?

Why this gap exists: While the retrieved papers confirm the individual importance of WASH access for child nutrition [0], maternal undernutrition for child development [5, 8], and the critical nature of the first 1,000 days [5], none of the provided abstracts directly analyze the specific mediating role of water and sanitation facilities in the relationship between maternal undernutrition and child developmental outcomes.

Sources

  1. Household water, sanitation, and hygiene access and its impact on nutritional outcomes in children under five: evidence from Pakistan.BMC public health, 2026
  2. Early childhood development and stunting: Findings from the MAL‐ED birth cohort study in BangladeshMaternal and Child Nutrition, 2019
  3. Policy and Structural Drivers of Malnutrition in Afghan Women: Evidence and Interventions.International journal of women's health, 2026
  4. COVID-19 pandemic and mitigation strategies: implications for maternal and child health and nutritionAmerican Journal of Clinical Nutrition, 2020
  5. Maternal and child undernutrition 3: what works? Interventions for maternal and child undernutrition and survivalChild: Care, Health and Development, 2008
  6. Nutrition as the Foundation of Human Capital: Pathways to Holistic Development.Maternal & child nutrition, 2026
  7. The impacts of maternal iron deficiency and being overweight during pregnancy on neurodevelopment of the offspring.The British journal of nutrition, 2017
  8. Early estimates of the indirect effects of the COVID-19 pandemic on maternal and child mortality in low-income and middle-income countries: a modelling studyThe Lancet Global Health, 2020
  9. Prevalence of undernutrition and its associated factors among pregnant women attending antenatal care service in public hospitals in Mogadishu, Somalia.PloS one, 2026
  10. Concurrent wasting and stunting among under‐five children in Niakhar, SenegalMaternal & Child Nutrition, 2018

To what extent do changes in the maternal microbiota (gut, oral, or vaginal) during pregnancy mediate the relationship between maternal perinatal anxiety/depression and the neurodevelopmental outcomes of the offspring?

Why this gap exists: While recent studies confirm associations between maternal mental health and microbiota composition (Abstract 5, 8) and suggest the microbiome-gut-brain axis influences neurodevelopment (Abstract 0, 2), the retrieved evidence does not contain studies that directly test the mediating role of maternal microbiota changes between perinatal anxiety/depression and offspring neurodevelopmental outcomes.

How does the longitudinal trajectory of maternal stress and resilience during pregnancy specifically mediate the association between social determinants of health (e.g., socioeconomic status, structural inequality) and infant cognitive or emotional development outcomes?

Why this gap exists: While the retrieved literature confirms associations between socioeconomic disadvantage, maternal stress, and infant neurodevelopment, it does not resolve the specific question of how longitudinal trajectories of maternal stress and resilience mediate these associations, as the studies focus on broad correlations or static measures rather than dynamic mediation pathways.

What is the comparative efficacy of digital or telehealth lactation support versus traditional face-to-face peer support on breastfeeding exclusivity rates during pandemic-related social restrictions?

Why this gap exists: While Abstract [3] confirms the general effectiveness of digital health interventions on breastfeeding practices and Abstract [0] notes the cancellation of face-to-face peer support during the pandemic, the retrieved evidence does not contain a direct comparative study between digital/telehealth lactation support and traditional face-to-face peer support specifically regarding exclusivity rates during social restrictions.

Publications