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Rachel L Duckham

Biographic Data

ID4287171
NAMERachel L Duckham
GIVEN NAMESRachel L
FAMILY NAMEDuckham
SIGNATUREDUCKHAM R L
AFFILIATIONSDeakin University
ORCID0000-0001-7882-2950
VERIFIEDYes
TOTAL WORKS14
TOTAL CITATIONS3
WORKS AS AUTHOR14
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2017
LATEST PUBLICATION YEAR2025
H-INDEX1
  • Associations between maternal and infant body composition, feeding practices, and perceived infant eating behaviour in Samoan mother–infant dyads aged 1–4 months

    Open Access•Victoria Bertacchi, Katherine Daiy et al.•ARTICLE•Annals of Human Biology•2025•Cited by: 3•References: 4

    Maternal perception of infant appetite appears to be influenced partially by maternal and infant body composition and breastfeeding patterns in our sample, highlighting potential points of intervention to promote recommended breastfeeding practices

  • Child, family and household characteristics associated with physical activity in Samoan children aged 3–8 years

    Open Access•Clara R Warmath, Courtney C Choy et al.•ARTICLE•PLOS Global Public Health•2024

    Physical activity is a key component of many obesity prevention strategies. The aim of this analysis was to identify child, family, and household characteristics associated with parent-reported physical activity in Samoan children aged 3–8 years. Children (n = 445; 51.2% female, mean age 5.4 years) were part of an ongoing, mixed-longitudinal study of child growth, development, and wellbeing (the Ola Tuputupua’e cohort). Bivariate analyses and mul…

  • Association between age at menarche and cardiometabolic risk among Samoan adults

    Open Access•Sakurako Oyama, Rachel L Duckham et al.•ARTICLE•American Journal of Human Biology•2024

    OBJECTIVES: Recent studies suggest that early menarche may increase cardiometabolic morbidity and mortality. Yet few studies have examined this association in the Pacific Islands, where obesity prevalence is among the highest globally. We sought to examine associations between age at menarche and cardiometabolic risk in Samoa. METHODS: Participants were from the Soifua Manuia study (n = 285, age 32-72 years) conducted in Samoa from 2017 to 2019. …

  • Validity of anthropometric equation‐based estimators of fat mass in S amoan adults

    Open Access•Lacey W Heinsberg, Nicola L Hawley et al.•ARTICLE•American Journal of Human Biology•2023

    Introduction In 1999, a set of highly accurate Polynesian‐specific equations to estimate adult body fat from non‐invasive field measures of age, sex, height, and weight (Equation 1), age, sex, height, weight, and bioelectrical impedance analysis (BIA) resistance (Equation 2), and age, sex, height, weight, and the sum of two skinfold thicknesses (Equation 3) were published. The purpose of this study was to evaluate the performance of the equation‐…

  • Prevalence of malnutrition among Samoan children aged 5 to 11 years in 2019–2020

    Open Access•Courtney C Choy, Vaimoana Filipo Lupematasila et al.•ARTICLE•Annals of Human Biology•2023

    Moderate-to-high levels of overweight/obesity and anaemia call for comprehensive intervention strategies

  • C‐reactive protein in adult Samoans

    Open Access•Anna C Rivara, Margaret Corley et al.•ARTICLE•American Journal of Human Biology•2021

    These data are among the first to demonstrate CRP correlates in a sample of adult Samoans. CRP differed by sex and was associated with BMI, adiposity, and some cardiometabolic risk markers. These data align with findings in other populations

  • Comparability of The Netherlands Physical Activity Questionnaire with Accelerometer-Measured Physical Activity in Samoan Children

    Open Access•Clara R Warmath, Courtney C Choy et al.•ARTICLE•International Journal of…•2021

    Accurate measurement of physical activity is critical to understand its role in cardiometabolic health and obesity development in children and to monitor trends in behavior and evaluate interventions. An ongoing mixed-longitudinal study of child growth and development in Samoa is collecting physical activity data with both accelerometers and the Netherlands Physical Activity Questionnaire (NPAQ). The aims of our analyses were to (1) describe the …

  • Persistence of anaemia among Samoan preschool age children

    Open Access•Bohao Wu, Courtney C Choy et al.•ARTICLE•Public Health Nutrition•2021

    Objective: To characterise the prevalence and persistence of anaemia among Samoan children over a 2–3-year period. Design: Data were from two consecutive waves (2015 and 2017–2018) of the Ola Tuputupua’e ‘Growing up’ study. Anaemia (Hb Setting: Eleven Samoan villages. Participants: Mother–child pairs ( n 257) recruited in 2015 and reassessed in 2017–2018. Results: Anaemia prevalence was 33·9 % in 2015 and 28·0 % in 2017–2018; 35·6 % of cases iden…

  • The skeletal maturity of Australian children aged 10–13 years in 2016

    Open Access•Rachel L Duckham, Nicola L Hawley et al.•ARTICLE•Annals of Human Biology•2021

    Skeletal maturity can be used as a biological indicator of the tempo of growth in children and adolescents. We present a description of skeletal maturity from a cohort of white Australian children and describe variation in skeletal maturity based on child age. Participants ( n = 71; age 10.5-13.9 years) were recruited from the 'Healthy, Active Preschool & Primary Years (HAPPY)' study. Left hand-wrist radiographs were used to determine skeletal ma…

  • Body size and composition of Samoan toddlers aged 18–25 months in 2019

    Open Access•Sakurako Oyama, Rachel L Duckham et al.•ARTICLE•Annals of Human Biology•2021

    Whether greater linear growth in early childhood could contribute to the metabolically protective effects associated with the CREBRF variant in adulthood should be explored in future studies

  • Effect of maternal nutrient intake during 31–37 weeks gestation on offspring body composition in Samoa

    Open Access•Kendall Arslanian, Kendall J Arslanian et al.•ARTICLE•Annals of Human Biology•2020

    While maternal dietary intake was not associated with infant adiposity or lean mass, we observed an effect on bone mass whose role in regulating metabolic health is overlooked

  • Dietary patterns are associated with child, maternal and household-level characteristics and overweight/obesity among young Samoan children

    Open Access•Courtney C Choy, Dongqing Wang et al.•ARTICLE•Public Health Nutrition•2018

    Objective Among young Samoan children, diet may not be optimal: in 2015, 16·1 % of 24–59-month-olds were overweight/obese, 20·3 % stunted and 34·1 % anaemic. The present study aimed to identify dietary patterns among 24–59-month-old Samoan children and evaluate their association with: (i) child, maternal and household characteristics; and (ii) nutritional status indicators (stunting, overweight/obesity, anaemia). Design A community-based, cross-s…

  • Nutrient intake among Samoan children aged 2–4 years in 2015

    Open Access•Courtney C Choy, Avery A Thompson et al.•ARTICLE•Annals of Human Biology•2018

    Since inadequate dietary micronutrient intake was more common among older children (4-4.99 years) and those in the rural region, intervention should be targeted at those groups

  • Child, maternal and household-level correlates of nutritional status

    Open Access•Courtney C Choy, Mahesh M Desai et al.•ARTICLE•Public Health Nutrition•2017

    Objective Young children are particularly vulnerable to malnutrition as nutrition transition progresses. The present study aimed to document the prevalence, coexistence and correlates of nutritional status (stunting, overweight/obesity and anaemia) in Samoan children aged 24–59 months. Design A cross-sectional community-based survey. Height and weight were used to determine prevalence of stunting (height-for-age Z -score Z -score >+2) based on WH…

  • Associations between maternal and infant body composition, feeding practices, and perceived infant eating behaviour in Samoan mother–infant dyads aged 1–4 months

    Open Access•Victoria Bertacchi, Katherine Daiy et al.•ARTICLE•Annals of Human Biology•2025•Cited by: 3•References: 4

    Maternal perception of infant appetite appears to be influenced partially by maternal and infant body composition and breastfeeding patterns in our sample, highlighting potential points of intervention to promote recommended breastfeeding practices

  • Child, maternal and household-level correlates of nutritional status

    Open Access•Courtney C Choy, Mahesh M Desai et al.•ARTICLE•Public Health Nutrition•2017

    Objective Young children are particularly vulnerable to malnutrition as nutrition transition progresses. The present study aimed to document the prevalence, coexistence and correlates of nutritional status (stunting, overweight/obesity and anaemia) in Samoan children aged 24–59 months. Design A cross-sectional community-based survey. Height and weight were used to determine prevalence of stunting (height-for-age Z -score Z -score >+2) based on WH…

  • Dietary patterns are associated with child, maternal and household-level characteristics and overweight/obesity among young Samoan children

    Open Access•Courtney C Choy, Dongqing Wang et al.•ARTICLE•Public Health Nutrition•2018

    Objective Among young Samoan children, diet may not be optimal: in 2015, 16·1 % of 24–59-month-olds were overweight/obese, 20·3 % stunted and 34·1 % anaemic. The present study aimed to identify dietary patterns among 24–59-month-old Samoan children and evaluate their association with: (i) child, maternal and household characteristics; and (ii) nutritional status indicators (stunting, overweight/obesity, anaemia). Design A community-based, cross-s…

  • Nutrient intake among Samoan children aged 2–4 years in 2015

    Open Access•Courtney C Choy, Avery A Thompson et al.•ARTICLE•Annals of Human Biology•2018

    Since inadequate dietary micronutrient intake was more common among older children (4-4.99 years) and those in the rural region, intervention should be targeted at those groups

  • Effect of maternal nutrient intake during 31–37 weeks gestation on offspring body composition in Samoa

    Open Access•Kendall Arslanian, Kendall J Arslanian et al.•ARTICLE•Annals of Human Biology•2020

    While maternal dietary intake was not associated with infant adiposity or lean mass, we observed an effect on bone mass whose role in regulating metabolic health is overlooked

  • C‐reactive protein in adult Samoans

    Open Access•Anna C Rivara, Margaret Corley et al.•ARTICLE•American Journal of Human Biology•2021

    These data are among the first to demonstrate CRP correlates in a sample of adult Samoans. CRP differed by sex and was associated with BMI, adiposity, and some cardiometabolic risk markers. These data align with findings in other populations

  • Comparability of The Netherlands Physical Activity Questionnaire with Accelerometer-Measured Physical Activity in Samoan Children

    Open Access•Clara R Warmath, Courtney C Choy et al.•ARTICLE•International Journal of…•2021

    Accurate measurement of physical activity is critical to understand its role in cardiometabolic health and obesity development in children and to monitor trends in behavior and evaluate interventions. An ongoing mixed-longitudinal study of child growth and development in Samoa is collecting physical activity data with both accelerometers and the Netherlands Physical Activity Questionnaire (NPAQ). The aims of our analyses were to (1) describe the …

  • Persistence of anaemia among Samoan preschool age children

    Open Access•Bohao Wu, Courtney C Choy et al.•ARTICLE•Public Health Nutrition•2021

    Objective: To characterise the prevalence and persistence of anaemia among Samoan children over a 2–3-year period. Design: Data were from two consecutive waves (2015 and 2017–2018) of the Ola Tuputupua’e ‘Growing up’ study. Anaemia (Hb Setting: Eleven Samoan villages. Participants: Mother–child pairs ( n 257) recruited in 2015 and reassessed in 2017–2018. Results: Anaemia prevalence was 33·9 % in 2015 and 28·0 % in 2017–2018; 35·6 % of cases iden…

  • The skeletal maturity of Australian children aged 10–13 years in 2016

    Open Access•Rachel L Duckham, Nicola L Hawley et al.•ARTICLE•Annals of Human Biology•2021

    Skeletal maturity can be used as a biological indicator of the tempo of growth in children and adolescents. We present a description of skeletal maturity from a cohort of white Australian children and describe variation in skeletal maturity based on child age. Participants ( n = 71; age 10.5-13.9 years) were recruited from the 'Healthy, Active Preschool & Primary Years (HAPPY)' study. Left hand-wrist radiographs were used to determine skeletal ma…

  • Body size and composition of Samoan toddlers aged 18–25 months in 2019

    Open Access•Sakurako Oyama, Rachel L Duckham et al.•ARTICLE•Annals of Human Biology•2021

    Whether greater linear growth in early childhood could contribute to the metabolically protective effects associated with the CREBRF variant in adulthood should be explored in future studies

  • Validity of anthropometric equation‐based estimators of fat mass in S amoan adults

    Open Access•Lacey W Heinsberg, Nicola L Hawley et al.•ARTICLE•American Journal of Human Biology•2023

    Introduction In 1999, a set of highly accurate Polynesian‐specific equations to estimate adult body fat from non‐invasive field measures of age, sex, height, and weight (Equation 1), age, sex, height, weight, and bioelectrical impedance analysis (BIA) resistance (Equation 2), and age, sex, height, weight, and the sum of two skinfold thicknesses (Equation 3) were published. The purpose of this study was to evaluate the performance of the equation‐…

  • Prevalence of malnutrition among Samoan children aged 5 to 11 years in 2019–2020

    Open Access•Courtney C Choy, Vaimoana Filipo Lupematasila et al.•ARTICLE•Annals of Human Biology•2023

    Moderate-to-high levels of overweight/obesity and anaemia call for comprehensive intervention strategies

  • Child, family and household characteristics associated with physical activity in Samoan children aged 3–8 years

    Open Access•Clara R Warmath, Courtney C Choy et al.•ARTICLE•PLOS Global Public Health•2024

    Physical activity is a key component of many obesity prevention strategies. The aim of this analysis was to identify child, family, and household characteristics associated with parent-reported physical activity in Samoan children aged 3–8 years. Children (n = 445; 51.2% female, mean age 5.4 years) were part of an ongoing, mixed-longitudinal study of child growth, development, and wellbeing (the Ola Tuputupua’e cohort). Bivariate analyses and mul…

  • Association between age at menarche and cardiometabolic risk among Samoan adults

    Open Access•Sakurako Oyama, Rachel L Duckham et al.•ARTICLE•American Journal of Human Biology•2024

    OBJECTIVES: Recent studies suggest that early menarche may increase cardiometabolic morbidity and mortality. Yet few studies have examined this association in the Pacific Islands, where obesity prevalence is among the highest globally. We sought to examine associations between age at menarche and cardiometabolic risk in Samoa. METHODS: Participants were from the Soifua Manuia study (n = 285, age 32-72 years) conducted in Samoa from 2017 to 2019. …

  • Associations between maternal and infant body composition, feeding practices, and perceived infant eating behaviour in Samoan mother–infant dyads aged 1–4 months

    Open Access•Victoria Bertacchi, Katherine Daiy et al.•ARTICLE•Annals of Human Biology•2025•Cited by: 3•References: 4

    Maternal perception of infant appetite appears to be influenced partially by maternal and infant body composition and breastfeeding patterns in our sample, highlighting potential points of intervention to promote recommended breastfeeding practices

Medicine (13 works) · Demography (11 works) · Obesity, Physical Activity, Diet (10 works) · Internal Medicine (8 works) · Samoan (8 works) · Demography (7 works) · Environmental health (7 works) · Obesity (6 works) · Body mass index (5 works) · Child Nutrition and Water Access (5 works)

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