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Browsing by Author "Senekal, Marjanne"

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Application and interpretation of multiple statistical tests to evaluate validity of dietary intake assessment methods

Author: Lombard, Martani ; Steyn, Nelia ; Charlton, Karen ; Senekal, Marjanne Date: 2015 BACKGROUND:Several statistical tests are currently applied to evaluate validity of dietary intake assessment methods. However, they provide information on different facets of validity. There is also no consensus on types and combinations of ... Read more c b
Application and interpretation of multiple statistical tests to evaluate validity of dietary intake assessment methods

Author: Lombard, Martani J ; Steyn, Nelia P ; Charlton, Karen E ; Senekal, Marjanne Date: 22 Apr 2015 Background: Several statistical tests are currently applied to evaluate validity of dietary intake assessment methods. However, they provide information on different facets of validity. There is also no consensus on types and combinations of ... Read more c b
Development and validation of a quantitative choline food frequency questionnaire for use with drinking and non-drinking pregnant women in Cape Town, South Africa

Author: Carter, R Colin ; Jacobson, Sandra W ; Booley, Sharmilah ; Najaar, Baheya ; Dodge, Neil C ; Bechard, Lori J ; Meintjes, Ernesta M ; Molteno, Christopher D ; Duggan, Christopher P ; Jacobson, Joseph L ; Senekal, Marjanne Date: 22 Nov 2018 Background Although animal and human studies have demonstrated interactions between dietary choline and fetal alcohol spectrum disorders, dietary choline deficiency in pregnancy is common in the US and worldwide. We sought ... Read more
Dietary adequacy, variety and diversity and associated factors (anthropometry and socio-economic status) in pregnant women attending the Bishop Lavis MOU in Cape Town

Author: De Bruyn, Celeste Marinda Date: 2015 Aim: The aim of this study was to determine the adequacy of the dietary intake of pregnant women attending Bishop Lavis MOU, in the Tygerberg area of Cape Town. Methods: One hundred and fifty-two women between 12 and 20 weeks' gestational age ... Read more
A facility-based therapeutic group programme versus usual care for weight loss in obese patients attending a district hospital in the Cape Metropole

Author: Manning, Kathryn Date: 2014 The primary aim of this research was to compare the impact of a six-week facility-based therapeutic group (FBTG) programme with that of usual care on weight loss and reduction in BMI in obese patients with one or more risk factors for the ... Read more
The Food Environment of Primary School Learners in a Low-to-Middle-Income Area in Cape Town, South Africa

Author: O’Halloran, Siobhan A. ; Eksteen, Gabriel ; Polayya, Nadene ; Ropertz, Megan ; Senekal, Marjanne Date: 15 Jun 2021 Rapid changes in food environments, where less nutritious foods have become cheaper and more accessible, have led to the double burden of malnutrition (DBM). The role food environments have played in shaping the DBM has attained global interest. ... Read more c b
Formative assessment of primary school educators in independent schools in Gauteng to advise the need for an intervention for the prevention of non-communicable diseases

Author: Drummond, Linda Anne Date: 2021 Background: Non-communicable diseases (NCDs) are a significant contributor to premature mortality in South Africa. The risks for NCDs among educators in higher socio-economic areas of South Africa have not been studied. The aim of this research ... Read more
Genotype-based personalised nutrition for obesity prevention and treatment: are we there yet?

Author: Senekal, Marjanne Date: 2012 Interactions between genotype and dietary intake include genetic moderation of the effect of dietary intake on disease development (nutrigenetics). Research on nutrigenetics has focused mainly on single-nucleotide polymorphisms (SNPs) and ... Read more c b n d
Growth and weight status in treatment-naive 12-16 year old adolescents with Alcohol Use Disorders in Cape Town, South Africa

Author: Naude, Celeste ; Senekal, Marjanne ; Laubscher, Ria ; Carey, Paul ; Fein, George Date: 2011 BACKGROUND: Heavy alcohol consumption during adolescence has many known harmful health and social consequences and is strongly associated with numerous health risk behaviours. The consequences of heavy alcohol use during adolescence on ... Read more c b
Has Food Security and Nutritional Status Improved in Children 1–<10 Years in Two Provinces of South Africa between 1999 (National Food Consumption Survey) and 2018 (Provincial Dietary Intake Study (PDIS))

Author: Steyn, Nelia P. ; Nel, Johanna H. ; Drummond, Linda ; Malczyk, Sonia ; Senekal, Marjanne Date: 18 Jan 2022 The 1999 National Food Consumption Survey in South Africa showed that food insecurity (hunger) was prevalent in households with children aged one to <10 years. A repeat of the survey in two provinces: Gauteng (GTG) and the Western Cape ... Read more c b
Health status of primary school educators in low socio-economic areas in South Africa

Author: Senekal, Marjanne ; Seme, Zibuyile ; de Villiers, Anniza ; Steyn, Nelia P Date: 25 Feb 2015 Background: Non-communicable Diseases (NCDs) are major health concerns in South Africa. According to the life cycle approach NCD prevention strategies should target children. Educators are important external factors influencing behaviour of ... Read more
Illustration of the Importance of Adjustment for within- and between-Person Variability in Dietary Intake Surveys for Assessment of Population Risk of Micronutrient Deficiency/Excess Using an Example Data Set

Author: Nel, Johanna H. ; Steyn, Nelia P. ; Senekal, Marjanne Date: 11 Jan 2022 Nutrition intervention decisions should be evidence based. Single 24-h recalls are often used for measuring dietary intake in large dietary studies. However, this method does not consider the day-to-day variation in populations’ diets. ... Read more c b
Investigation of beliefs relating to weight gain prevention behaviours and weight related constructs in first year female students at three South African Universities

Author: Lasker, Gabrielle Lana Date: 2020 Introduction International as well as South African research indicates that first year female students at tertiary institutions may be specifically prone to weight gain and that these students should be targeted for weight management ... Read more
Investigation of weight management-related focus areas in middle-class overweight/obese Black (Zulu) women to advise healthy weight loss intervention development

Author: Kassier, Susanna Maria Date: 2015 The South African Demographic and Health Survey (1998 and 2003) revealed that urban black women had the highest prevalence of overweight/obesity and central obesity across all population and gender groups. This trend was confirmed by the South ... Read more
Low carbohydrate versus isoenergetic balanced diets for reducing weight and cardiovascular risk: a systematic review and meta-analysis

Author: Naude, Celeste E ; Schoonees, Anel ; Senekal, Marjanne ; Young, Taryn ; Garner, Paul ; Volmink, Jimmy Date: 2014 BACKGROUND: Some popular weight loss diets restricting carbohydrates (CHO) claim to be more effective, and have additional health benefits in preventing cardiovascular disease compared to balanced weight loss diets. Methods and FINDINGS: We ... Read more c b
Mean ± Standard Deviation Intake Values for 1–<10-Year-Old South African Children for Application in the Assessment of the Inflammatory Potential of Their Diets Using the DII® Method: Developmental Research

Author: Malczyk, Sonia ; Steyn, Nelia P. ; Nel, Johanna H. ; Eksteen, Gabriel ; Drummond, Linda ; Oldewage-Theron, Wilna ; Faber, Mieke ; van Stuijvenberg, Martha E ; Senekal, Marjanne Date: 21 Dec 2021 This study aimed to develop a set of mean ± standard deviation (SD) intake values for South African (SA) children for 36 of the 45 food parameters included in the original Dietary Inflammatory Index (DII<sup>®</sup>) tool. The SA ... Read more c b
Risk factors for obesity development in Caucasian and Zulu women : personal and parental weight history, weight management practices, eating behaviour and taste sensitivity : a case-control study

Author: Herrmann, Fiona Date: 2011 Obesity is a significant health problem in South Africa and the need for intervention in this regard has been emphasized. Existing information indicates that modifiable risk factors such as diet and physical activity may be contributing to ... Read more
The inflammatory potential of the diet of 1-9-year-old children living in two urbanized and economically active provinces in South Africa

Author: Malczyk, Sonia Date: 2021 The challenge of preventing and treating noncommunicable diseases (NCDs) has become a global issue of paramount importance. Climbing obesity rates among children could become a major contributor to the burden of NCDs. While there are numerous ... Read more
Theory and evidence-based development and feasibility testing of a weight loss intervention (Health4LIFE) for overweight and obese primary school educators employed at public schools in low-income settings, Western Cape Province, South Africa

Author: Hoosen, Fatima Date: 2022 Background: Bearing in mind the prevalence of overweight/obesity found among educators (teachers) and their role modelling function, it is imperative that appropriate weight loss interventions are developed and implemented to control obesity ... Read more
Weight-loss strategies of South African female university students and comparison of weight management-related characteristics between dieters and non-dieters

Author: Senekal, Marjanne ; Lasker, Gabrielle L ; van Velden, Lindsay ; Laubscher, Ria ; Temple, Norman J Date: 01 Sep 2016 Background: Female university students are at risk for weight gain and use of inappropriate weight-loss strategies. By gaining a greater understanding of the weight-loss strategies used by and weight management related characteristics of these ... Read more c b

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