Glenda Beverley Matthews

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Two studies testing social learning theory predictions of habitual alcohol use in college students are reported. Study 1 (N = 96) investigated alcohol related expectancies and social desirability as predictors of habitual alcohol use. Higher habitual alcohol use was correlated with higher expected dominance, but this correlation was not modified by social(More)
OBJECTIVE To investigate 6-year-old to 8-year-old children's health, nutritional status and cognitive development in a predominantly rural area of KwaZulu-Natal, South Africa. METHODS Cohort study of 1383 children investigating the association of demographic variables (area of residence, sex, pre-school education, HIV status, height for age and(More)
Correlations between personality measures and self-reported data on health status were examined in a sample of 5133 men and women, aged between 40 and 65. A wider range of diseases was studied than is typical. Small but theoretically meaningful correlations with personality were found for some diseases. Personality syndromes of Emotional Lability, Type A(More)
Hypericum perforatum (St John's wort) is used to treat depression, but the effectiveness has not been established. Recent guidelines described the analysis of clinical trials with missing data, inspiring the reanalysis of this trial using proper missing data methods. The objective was to determine whether hypericum was superior to placebo in treating major(More)
A recent study based on a sample of 1,580 children from five adjacent geographical locations in KwaZulu-Natal, South Africa, was carried out to examine the association of nutrition, family influence, preschool education, and disadvantages in geographical location with the cognitive development of school children. Data were collected on the children from(More)
Malaria is the leading cause of morbidity in Uganda with 90–95 % of the population at risk and it contributing to approximately 13 % of under-five mortality. The aim of this study was to investigate the relationship between the malaria status of children under the age of 5 years old in Uganda and selected socio-economic, demographic and environmental(More)
OBJECTIVES The main objective of this paper was to explore the associations between life-events and primary appraisals (threat, challenge and loss) controlling for depression. It was predicted that specific associations between life-events and primary appraisals would remain once depression had been partialled. A subgoal of this paper was to develop a(More)