Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Mark E. Boyes is active.

Publication


Featured researches published by Mark E. Boyes.


Journal of Child Psychology and Psychiatry | 2012

Persisting mental health problems among AIDS-orphaned children in South Africa

Lucie Cluver; Mark Orkin; Frances Gardner; Mark E. Boyes

BACKGROUND   By 2008, 12 million children in sub-Saharan Africa were orphaned by AIDS. Cross-sectional studies show psychological problems for AIDS-orphaned children, but until now no longitudinal study has explored enduring psychological effects of AIDS-orphanhood in the developing world. METHODS   A 4-year longitudinal follow-up of AIDS-orphaned children with control groups of other-orphans and non-orphans. 1021 children (M = 13.4 years, 50% female, 98% isiXhosa-speaking) were interviewed in 2005 and followed up in 2009 with 71% retention (49% female, M = 16.9 years), in poor urban South African settlements. Children were interviewed using sociodemographic questionnaires and well-validated standardised scales for assessing depression, anxiety, and post-traumatic stress. Data were analysed using mixed-design ANOVA and backward-stepping regression. RESULTS   AIDS-orphaned children showed higher depression, anxiety, and post-traumatic stress disorder (PTSD) scores in both 2005 and 2009 when compared with other-orphans and non-orphans. Backward-stepping regression, controlling for baseline mental health, and sociodemographic cofactors such as age, gender, and type of bereavement, revealed that being AIDS-orphaned in 2005 was associated with depression, anxiety, and PTSD scores in 2009. This was not the case for other-orphaned or non-orphaned children. Age interacted with orphan status, such that there was a steep rise in psychological distress in the AIDS-orphaned group, but no rise with age amongst other-orphans and non-orphans. CONCLUSIONS   Negative mental health outcomes amongst AIDS-orphaned children are maintained and worsen over a 4-year period. It is important that psychosocial support programmes are sustained, and focus on youth as well as young children.


The Lancet Global Health | 2013

Child-focused state cash transfers and adolescent risk of HIV infection in South Africa: a propensity-score-matched case-control study

Lucie Cluver; Mark E. Boyes; Mark Orkin; Marija Pantelic; Thembela Molwena; Lorraine Sherr

BACKGROUND Effective and scalable HIV prevention for adolescents in sub-Saharan Africa is needed. Cash transfers can reduce HIV incidence through reducing risk behaviours. However, questions remain about their effectiveness within national poverty-alleviation programmes, and their effects on different behaviours in boys and girls. METHODS In this case-control study, we interviewed South African adolescents (aged 10-18 years) between 2009 and 2012. We randomly selected census areas in two urban and two rural districts in two provinces in South Africa, including all homes with a resident adolescent. We assessed household receipt of state-provided child-focused cash transfers, incidence in the past year and prevalence of transactional sex, age-disparate sex, unprotected sex, multiple partners, and sex while drunk or after taking drugs. We used logistic regression after propensity score matching to assess the effect of cash transfers on these risky sexual behaviours. FINDINGS We interviewed 3515 participants (one per household) at baseline, and interviewed 3401 at follow-up. For adolescent girls (n=1926), receipt of a cash transfer was associated with reduced incidence of transactional sex (odds ratio [OR] 0·49, 95% CI 0·26-0·93; p=0·028), and age-disparate sex (OR 0·29, 95% CI 0·13-0·67; p=0·004), with similar associations for prevalence (for transactional sex, OR 0·47, 95% CI 0·26-0·86; p=0·015; for age-disparate sex, OR 0·37, 95% CI 0·18-0·77; p=0·003). No significant effects were shown for other risk behaviours. For boys (n=1475), no consistent effects were shown for any of the behaviours. INTERPRETATION National, child-focused cash transfers to alleviate poverty for households in sub-Saharan Africa can substantially reduce unsafe partner selection by adolescent girls. Child-focused cash transfers are of potential importance for effective combination strategies for prevention of HIV. FUNDING UK Economic and Social Research Council, South African National Research Foundation, Health Economics and AIDS Research Division at University of KwaZulu-Natal, South African National Department of Social Development, Claude Leon Foundation, John Fell Fund, Nuffield Foundation, and Regional Interagency Task Team for Children affected by AIDS-Eastern and Southern Africa.


Journal of Acquired Immune Deficiency Syndromes | 2011

Transactional Sex Amongst AIDS-Orphaned and AIDS-Affected Adolescents Predicted by Abuse and Extreme Poverty

Lucie Cluver; Mark Orkin; Mark E. Boyes; Frances Gardner; Franziska Meinck

Little is known about impacts of familial AIDS on abuse and sexual health outcomes amongst adolescents. Objectives were to determine whether familial AIDS is: (1) associated with severe physical, emotional, and sexual abuse; (2) associated with transactional sexual exploitation; and (3) explore whether relationships between familial AIDS and transactional sex are mediated by extreme poverty and abuse. DesignAdolescent self-report study in deprived South African communities. MethodsA 2009 follow-up of a 2005 study achieved 71% retention (n = 723). The 2009 sample included AIDS-orphaned (n = 236), other-orphaned (n = 231), and non-orphaned (n = 220) adolescents, whose primary caregivers were AIDS sick (n = 109), other sick (n = 147), and healthy (n = 220). Abuse and transactional sex were measured using widely used and validated self-report measures. ResultsAIDS orphanhood and parental AIDS sickness predicted emotional and physical abuse and transactional sexual exploitation. Orphanhood or parental sickness by non-AIDS causes, and having healthy caregivers, did not predict any abuse outcomes. Adolescents “dually” affected by AIDS orphanhood and sickness showed a 3-fold likelihood of severe emotional and physical abuse and, amongst girls, a 6-fold likelihood of transactional sexual exploitation, compared with those in healthy families. Heightened risk of transactional sex amongst adolescents in AIDS-affected families was mediated by extreme poverty and abuse exposure. In combination, the effects of familial AIDS, food insecurity, and exposure to abuse raised prevalence of transactional sex amongst girls from 1% to 57%. ConclusionsAdolescents from AIDS-affected families are highly vulnerable to severe physical and emotional abuse and transactional sex. This has implications for policy and programming in child protection and HIV prevention services.


Social Science & Medicine | 2013

Pathways from parental AIDS to child psychological, educational and sexual risk: Developing an empirically-based interactive theoretical model

Lucie Cluver; Mark Orkin; Mark E. Boyes; Lorraine Sherr; Daphne Makasi; Joy Nikelo

Increasing evidence demonstrates negative psychological, health, and developmental outcomes for children associated with parental HIV/AIDS illness and death. However, little is known about how parental AIDS leads to negative child outcomes. This study used a structural equation modelling approach to develop an empirically-based theoretical model of interactive relationships between parental or primary caregiver AIDS-illness, AIDS-orphanhood and predicted intervening factors associated with childrens psychological distress, educational access and sexual health. Cross-sectional data were collected in 2009-2011, from 6002 children aged 10-17 years in three provinces of South Africa using stratified random sampling. Comparison groups included children orphaned by AIDS, orphaned by other causes and non-orphans, and children whose parents or primary caregivers were unwell with AIDS, unwell with other causes or healthy. Participants reported on psychological symptoms, educational access, and sexual health risks, as well as hypothesized sociodemographic and intervening factors. In order to build an interactive theoretical model of multiple child outcomes, multivariate regression and structural equation models were developed for each individual outcome, and then combined into an overall model. Neither AIDS-orphanhood nor parental AIDS-illness were directly associated with psychological distress, educational access, or sexual health. Instead, significant indirect effects of AIDS-orphanhood and parental AIDS-illness were obtained on all measured outcomes. Child psychological, educational and sexual health risks share a common set of intervening variables including parental disability, poverty, community violence, stigma, and child abuse that together comprise chain effects. In all models, parental AIDS-illness had stronger effects and more risk pathways than AIDS-orphanhood, especially via poverty and parental disability. AIDS-orphanhood and parental AIDS-illness impact child outcomes through multiple, interlinked pathways. The interactive model developed in this study suggests key areas of focus for interventions with AIDS-affected children.


Trauma, Violence, & Abuse | 2015

Risk and protective factors for physical and sexual abuse of children and adolescents in Africa: a review and implications for practice

Franziska Meinck; Lucie Cluver; Mark E. Boyes; Elsinah L. Mhlongo

There is now conclusive evidence of the major and long-lasting negative effects of physical and sexual abuse on children. Within Africa, studies consistently report high rates of child abuse, with prevalence as high as 64%. However, to date, there has been no review of factors associated with physical and sexual child abuse and polyvictimization in Africa. This review identified 23 quantitative studies, all of which showed high levels of child abuse in varying samples of children and adults. Although studies were very heterogeneous, a range of correlates of abuse at different levels of the Model of Ecologic Development were identified. These included community-level factors (exposure to bullying, sexual violence, and rural/urban location), household-level factors (poverty, household violence, and non-nuclear family), caregiver-level factors (caregiver illness in particular AIDS and mental health problems, caregiver changes, family functioning, parenting, caregiver-child relationship, and substance abuse), and child-level factors (age, disability, physical health, behavior, and gender). These findings identify key associated factors that are potential foci of child abuse prevention interventions. In addition, there is a clear need for further rigorous longitudinal research into predictive factors and culturally relevant interventions.


AIDS | 2014

Cash plus care: social protection cumulatively mitigates HIV-risk behaviour among adolescents in South Africa.

Lucie Cluver; F Mark Orkin; Mark E. Boyes; Lorraine Sherr

Objectives:It is not known whether cumulative ‘cash plus care’ interventions can reduce adolescent HIV-infection risks in sub-Saharan Africa. This study investigated whether parental AIDS and other environmental adversities increase adolescent HIV-risk behaviour and whether social protection provision of ‘cash’ or integrated ‘cash plus care’ reduces HIV-risk behaviour. Design:A prospective observational study with random sampling (<2.5% baseline refusal, 1-year follow-up, 96.8% retention). Methods:Three thousand five hundred and fifteen 10–18 year-olds (56.7% girls) were interviewed in South Africa between 2009–2010 and 2011–2012. All homes with a resident adolescent were sampled, within randomly selected census areas in two urban and two rural districts in two provinces. Measures included potential environmental risks (e.g. parental HIV/AIDS, poverty), social protection: receipt of cash/food support (e.g. child grants, school feeding), care (e.g. positive parenting) and HIV-risk behaviours (e.g. unprotected sex). Analyses used logistic regression. Results:Cash alone was associated with reduced HIV risk for girls [odds ratio (OR) 0.63; 95% confidence interval (95% CI) 0.44–0.91, P = 0.02] but not for boys. Integrated cash plus care was associated with halved HIV-risk behaviour incidence for both sexes (girls OR 0.55; 95% CI 0.35–0.85, P = 0.007; boys OR 0.50; 95% CI 0.31–0.82, P = 0.005), compared with no support and controlling for confounders. Follow-up HIV-risk behaviour was reduced from 41 to 15% for girls and from 42 to 17% for boys. Girls in AIDS-affected families and informal-dwelling boys had higher HIV-risk behaviour, but were less likely to access integrated social protection. Conclusion:Integrated cash plus care reduces male and female adolescent HIV-risk behaviours. Increasing adolescent access to social protection may be an effective HIV prevention strategy in Sub-Saharan Africa.


Aids Care-psychological and Socio-medical Aspects of Aids\/hiv | 2014

Positive parenting for positive parents: HIV/AIDS, poverty, caregiver depression, child behavior, and parenting in South Africa

Jamie M. Lachman; Lucie Cluver; Mark E. Boyes; Caroline Kuo; Marisa Casale

Families affected by HIV/AIDS in the developing world experience higher risks of psychosocial problems than nonaffected families. Positive parenting behavior may buffer against the negative impact of child AIDS-orphanhood and caregiver AIDS-sickness on child well-being. Although there is substantial literature regarding the predictors of parenting behavior in Western populations, there is insufficient evidence on HIV/AIDS as a risk factor for poor parenting in low- and middle-income countries. This paper examines the relationship between HIV/AIDS and positive parenting by comparing HIV/AIDS-affected and nonaffected caregiver-child dyads (n=2477) from a cross-sectional survey in KwaZulu-Natal, South Africa (27.7% AIDS-ill caregivers; 7.4% child AIDS-orphanhood). Multiple mediation analyses tested an ecological model with poverty, caregiver depression, perceived social support, and child behavior problems as potential mediators of the association of HIV/AIDS with positive parenting. Results indicate that familial HIV/AIDSs association to reduced positive parenting was consistent with mediation by poverty, caregiver depression, and child behavior problems. Parenting interventions that situate positive parenting within a wider ecological framework by improving child behavior problems and caregiver depression may buffer against risks for poor child mental and physical health outcomes in families affected by HIV/AIDS and poverty.


Clinical psychological science | 2013

Relationships among HIV/AIDS-orphanhood, stigma, and symptoms of anxiety and depression in South African youth: A longitudinal investigation using a path analysis framework

Mark E. Boyes; Lucie Cluver

Cross-sectional research has demonstrated that HIV/AIDS orphanhood is associated with anxiety and depression and that HIV/AIDS-related stigma is a risk factor for these outcomes. This study used a longitudinal data set to determine whether relationships between HIV/AIDS orphanhood and anxiety/depression scores (measured at 4-year follow-up) operate indirectly via perceived stigma. Youths from poor communities around Cape Town were interviewed in 2005 (n = 1,025) and followed up in 2009 (n = 723). At baseline, HIV/AIDS-orphaned youth reported significantly higher stigma and depression scores than youth not orphaned by HIV/AIDS. At follow-up, HIV/AIDS-orphaned youth reported significantly higher stigma, anxiety, and depression scores. However, HIV/AIDS orphanhood was not directly associated with anxiety or depression. Instead, significant indirect effects (operating through perceived stigma) were obtained for both assessment periods. Results demonstrate that stigma persists across time and appears to mediate relationships between HIV/AIDS orphanhood and psychological distress. Interventions aiming to reduce stigma may help promote the mental health of HIV/AIDS-orphaned youth.


PLOS ONE | 2012

Psychometric Properties of the Child PTSD Checklist in a Community Sample of South African Children and Adolescents

Mark E. Boyes; Lucie Cluver; Frances Gardner

Objective The current study assessed the basic psychometric properties of the Child PTSD Checklist and examined the structure of symptoms of posttraumatic stress disorder (PTSD) in a large sample of South African youth. Methodology The checklist was completed by 1025 (540 male; 485 female) South African youth (aged between 10 and 19 years). The factor structure of the scale was assessed with a combination of confirmatory and exploratory techniques. Internal consistencies for the full scale and all subscales were evaluated with Cronbach’s alpha and McDonald’s omega. Validity was assessed by comparing PTSD scores obtained by children who had and had not experienced a traumatic event, and by examining associations between total PTSD scores and known correlates of PTSD. Results Scores on the Child PTSD Checklist clearly discriminated between youth who had experienced a traumatic event and those who had not. Internal consistencies for the full scale (and all subscales) were acceptable to good and hypothesized correlations between PTSD, depression, anxiety, somatic symptoms, and age were observed. Two of the reported fit statistics for the tripartite DSM-IV-TR model of PTSD did not meet traditional criteria and further exploratory analyses revealed a four-factor structure (broadly consistent with Simms and colleagues’ Dysphoria Model of PTSD symptoms) which provided a better fit to the observed data. Conclusion Given the continued use of the Child PTSD Checklist in South Africa, findings offer an important first step in establishing the reliability and validity of the checklist for use with South African youth. However, further evaluation of the checklist in South African samples is clearly required before conclusions regarding its use as diagnostic tool in this context can be made.


Aids Care-psychological and Socio-medical Aspects of Aids\/hiv | 2013

Validation of a brief stigma-by-association scale for use with HIV/AIDS-affected youth in South Africa

Mark E. Boyes; Sally Mason; Lucie Cluver

Abstract This study validated a brief stigma-by-association scale for use with South African youth (adapted from the HIV Stigma-by-Association Scale for Adolescents). Participants were 723 youth (364 male, 359 female) from poor urban communities around Cape Town. Youths completed the brief stigma-by-association scale and measures of bullying victimisation and peer-problems, as well as inventories measuring symptoms of depression and anxiety. Exploratory analyses revealed that the scale consists of two subscales: (1) experience of stigma-by-association and (2) consequences of stigma-by-association. This two factor structure was obtained in the full sample and both the HIV/AIDS-affected and unaffected subgroups. The full stigma-by-association scale showed excellent reliability (α = 0.89–0.90) and reliabilities for both subscales were also good (α = 0.78–0.87). As predicted, children living in HIV/AIDS-affected households obtained significantly higher stigma-by-association scores than children in non-affected households [F(1, 693) = 46.53, p<0.001, partial η 2=0.06] and hypothesized correlations between stigma-by-association, bullying, peer problems, depression and anxiety symptoms were observed. It is concluded that the brief stigma-by-association scale is a reliable and valid instrument for use with South African youth; however, further confirmatory research regarding the structure of the scale is required.

Collaboration


Dive into the Mark E. Boyes's collaboration.

Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar

Mark Orkin

University of the Witwatersrand

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Researchain Logo
Decentralizing Knowledge