Prof Karl Peltzer

Professor Karl Peltzer is a research director in the HIV/AIDS, STIs and TB (HAST) research programme of the HSRC. He obtained a Dr.habil in health psychology at the University of Klagenfurt, a PhD in social health psychology at the University of Hannover, and an MA in clinical psychology at the University of Bremen.

He is a prevention researcher and evaluator with over 20 years of experience in the study of health promotion, risk behaviour and disease prevention, and socio-behavioural interventions. He has also worked in the public health subject areas of alcohol, tobacco, cancer, tuberculosis and HIV control, nutrition, physical activity, hypertension, mental health, injury and violence prevention, and on health systems.

His specific areas of expertise include psychology applied to health in Africa, health promotion, chronic lifestyle diseases, substance use, communicable diseases such as HIV, injuries, cultural health practices, and programme evaluation.

Prof. Peltzer has written or edited 13 books and 300 articles.

Recent

Longitudinal analysis of HIV risk behaviour patterns and their predictors among public primary care patients with tuberculosis in South Africa

The goal of this study was to identify various HIV risk behaviours among tuberculosis (TB) patients in a longitudinal study design in South Africa. In....

Intimate partner sexual violence and risk for femicide, suicidality and substance use among women in antenatal care and general out-patients in Thailand

Little is known about the occurrence and health consequences of intimate partner sexual assault. The aim of this study was to assess the prevalence an....

Prevalence and factors associated with fixed-dose combination antiretroviral drugs adherence among HIV-positive pregnant women on option B treatment in Mpumalanga province, South Africa

The possibility for all babies to be born and remain HIV-negative for the first year of life is achievable in South Africa. HIV-positive mothers??? ad....

The prevalence of underweight, overweight/obesity and their related lifestyle factors in Indonesia, 2014-2015

The objective of the study was to quantify the prevalence of underweight and overweight or obesity and its related factors (socio-demographic, health ....

Prevalence of self-reported diagnosed cataract and associated risk factors among elderly South Africans

This paper estimates the prevalence of self-reported cataract and associated risk factors among individuals aged 50 years in South Africa. Data from a....

Cannabis and amphetamine use among adolescents in five Asian countries

There has been a global increase in illicit drug use among young people. The aim of this study was to estimate the prevalence of lifetime cannabis and....

Parental involvement, health behaviors and mental health among school-going adolescents in six Asian countries

The aim of this investigation was to assess the association between parental involvement, health behaviors, and mental health among adolescents in six....

Prevalence, demographic and psychosocial correlates for school truancy among students aged 13-15 in the Association of Southeast Asian Nations (ASEAN) member states

Truancy among adolescents may negatively affect the achievement of academic goals. The aim of the study was to investigate the prevalence and correlat....

Prevalence and correlates of physical fighting among school going students aged 13-15 in the Association of Southeast Asian Nations (ASEAN) member states

The purpose of the study was to investigate the prevalence and associated factors of being in a physical fight in association of Southeast Asian natio....

Body weight and weight perception among African and Caribbean university students: correlation with depression symptoms

The aim of the study was to investigate the association between body weight, weight perception, and depressive symptoms in African and Caribbean unive....

Prevalence of loneliness and associated factors among older adults in South Africa

Loneliness can be detrimental to health. The aim of this study is to estimate the prevalence of loneliness as well as its risk factors in older adults....

The achilles

The Joint United Nations Programme on HIV and AIDS proposed to reduce the vertical transmission of HIV from 72,200 to 8300 newly infected children by ....

Multimorbidity in chronic conditions: public primary care patients in four creater Mekong countries

The aim of this study was to explore the prevalence, pattern, and social determinants of chronic conditions multimorbidity among chronic disease prima....

Impact of self-efficacy and parenting practice on physical activity among school children

As insufficient engagement in physical activity (PA) is becoming a major health concern in Thailand, we aimed to investigate the impact of parenting p....

Associations between intimate partner violence, depression, and suicidal behavior among women attending antenatal and general outpatients hospital services in Thailand

Battered women are exposed to multiple types and different severity of intimate partner abuse, however, little is known about the relationship between....

Victimization and perpetration of intimate partner violence among female and male youth and adults in South Africa

Intimate partner violence (IPV) is a huge public health problem. The aim of the study was to estimate the prevalence and influence of sociodemographic....

Cosmetic surgery consideration among male and female university students in five ASEAN countries

Although cosmetic surgeries are increasing in frequency, only few studies have investigated cosmetic surgery attitudes in Asia. The aim of the study w....

Association between visual impairment and low vision and sleep duration and quality among older adults in South Africa

This study aims to estimate the association between visual impairment and low vision and sleep duration and poor sleep quality in a national sample of....

Effect of personal and work stress on burnout, job satisfaction and general health of hospital nurses in South Africa

The majority of studies to date have focused on the effects of work stress in the nursing environment, with the effect of personal stress in nursing b....

Loneliness: its correlates and associations with health risk behaviours among university students in 25 countries

The aim of this cross-national study was to assess factors associated with loneliness and to determine the degree to which loneliness affects health s....

Health and behavioral factors associated with binge drinking among university students in nine ASEAN countries

Heavy drinking among university students has been globally recognized as a major public health burden. In the Association of Southeast Asian Nations (....

The association of dietary behaviors and physical activity levels with general and central obesity among ASEAN university students

The objective of this study is to quantify the prevalence of obesity and obesity-related factors (dietary behaviors and physical activity levels) in a....

"Safe foods" or " fear foods": the implications of food avoidance in college students from low- and middle-income countries

The primary objective of this study was to explore if self-reported food avoidance (fats, carbohydrates and protein) exists among college students in ....

Dietary behaviors, psychological well-being, and mental distress among university students in ASEAN

Dietary intake is important for physical and mental health. The purpose of the study was to investigate the effect of dietary behaviors on psychologi....

A qualitative exploration of the meaning and understanding of male partner involvement among men in pre- and post-natal care: a study at health care clinics, Mpumalanga province, South Africa

Male partner involvement (MPI) in the implementation of PMTCT programmes has recently been highlighted as a key aspect that can lead to improved healt....

The quality of rapid HIV testing in South Africa: an assessment of testers' compliance

The aim of this study was to assess the quality of rapid HIV testing in South Africa. Quality may be highly compromised through poor adherence to gui....

Correlates of illicit drug use among university students in Africa and the Caribbean

The goal of this study was to estimate the prevalence and correlates of illicit drug use (IDU) among university students from eight countries in Afric....

PMTCT implementation in rural community health centres in Mpumalanga province, South Africa: final report

As part of a global plan, the Joint United Nations Programme on HIV and AIDS (UNAIDS) implemented a plan to reduce the prevalence of vertical transmis....

Depressive symptoms and social demographic, stress and health risk behaviour among university students in 26 low-, middle- and high income countries

The aim of this study was to determine the prevalence and association between depressive symptoms, sociodemographic, social and health risk variables ....

Dietary health behaviour and beliefs among university students from 26 low, middle and high income countries

The aim of this study was to assess the prevalence of six healthy dietary behaviours and associated factors in university students from 26 low, middle....

Drinking and driving among university students in 22 low, middle income and emerging economy countries

The aim of this study was investigate drinking, driving, and socio-behavioral factors among university students in low and middle income and emerging ....

An examination of the relationship between sexual orientation and health status among South African public educators

The aim of this study was to investigate sexual orientation and health related outcomes in South African public educators. A cross-sectional study des....

Screening and concurrent brief intervention of conjoint hazardous or harmful alcohol and tobacco use in hospital out-patients in Thailand: a randomized controlled trial

The aim of this study was to conduct a cluster randomized control trial to assess the efficacy of screening and brief intervention (SBI) for conjoint ....

Extent of alcohol use and mental health (depressive and posttraumatic stress disorder symptoms) in undergraduate university students from 26 low-, middle- and high-income countries

To estimate if there is a non-linear association between varying levels of alcohol use and poor mental health (depressive and post-traumatic stress di....

Prevalence of suicidal ideation and associated factors among postpartum HIV-positive women in health facilities, South Africa

The goal of this study was to investigate the prevalence of suicidal ideation and its associated factors in postpartum HIV-positive women in South Afr....

Risks deter but pleasure allure: is pleasure more important?

The pursuit of unhealthy behaviors, such as smoking or binge drinking, not only carries various downside risks, but also provides pleasure. A parsimon....

Prevalence, risk factors and disability associated with fall-related injury in older adults in low- and middle-income countries: results from the WHO Study on Global AGEing and Adult Health (SAGE)

In 2010 falls were responsible for approximately 80 % of disability stemming from unintentional injuries excluding traffic accidents in adults 50 year....

Risk factors and disability associated with low back pain in older adults in low- and middle-income countries: results from the WHO Study on Global AGEing and Adult Health (SAGE)

Back pain is a common disabling chronic condition that burdens individuals, families and societies. Epidemiological evidence, mainly from high-income ....

Overweight and obesity and associated factors among school-aged adolescents in six Pacific Island countries in Oceania

The aim of this study was to assess overweight and obesity and associated factors in school-going adolescents in six Pacific Island countries in Ocean....

Sexual violence and associated factors among female youths in South Africa

The study aims to investigate factors associated with sexual violence among South African female youths (18-24 years) in a cross-sectional household s....

Unintentional injuries and psychosocial correlates among in-school adolescents in Malaysia

The study aimed to provide estimates of the prevalence and psychosocial correlates of unintentional injury among school-going adolescents in Malaysia.....

Anxiety and depression symptoms following smoking cessation and/or brief alcohol treatment among moderate risk smokers and drinkers

The goal of this study was to examine the change in anxiety and depression symptoms following a smoking cessation and brief alcohol intervention. Part....

Dietary behaviour among male out-patients in Thailand

The aim of the study was to estimate associations between dietary behaviour, chronic conditions and health variables among male out-patients in centra....

Severe early childhood caries and social determinants in three-year-old children from northern Thailand: a birth cohort study

The purpose of this study was to investigate the prevalence and social risk factors of severe early childhood caries in three-year-old children in Nor....

Obesity and lifestyle factors in male hospital out-patients in Thailand

The aim of this study was exploring the prevalence of obesity and to determine the factors associated with obesity among male out-patients in Thailand....

Factors associated with unintentional injury among university students in 26 countries

The aim of this study was to determine estimates of the incidence and social correlates of nonfatal injury among university students in 26 low-, middl....

Traumatic experiences, posttraumatic stress symptoms, depression, and health-risk behavior in relation to injury among University of Nairobi students in Kenya

The aim of this article is to describe the prevalence and types of injuries in relation to traumatic experiences, posttraumatic stress symptoms, depre....

Correlates of healthy fruit and vegetable diet in students in low, middle and high income countries

The aim of this study was to assess the prevalence of fruits and vegetable consumption and associated factors among university students from 26 low, m....

Physical inactivity and associated factors among university students in 23 low-, middle- and high-income countries

The aim of this study was to determine estimates of the prevalence and social correlates of physical inactivity among university students in 23 low-, ....

The association of nutrition behaviors and physical activity with general and central obesity in Caribbean undergraduate students

The aim of this article is to quantify the prevalence of obesity and obesity-related factors in a crosssectional, observational study of Caribbean stu....

Comparison of health risk behavior, awareness, and health benefit beliefs of health science and non-health science students: an international study

This study determines the differences in health risk behavior, knowledge, and health benefit beliefs between health science and non-health science uni....

Heavy drinking and social and health factors in university students from 24 low, middle income and emerging economy countries

The aim of this study was to investigate heavy drinking and social and health correlates in university students in low, middle income and emerging eco....

Gender differences in health risk behaviour among university students: an international study

The aim of this study was to determine gender differences in health risk behaviours among university students in 26 mainly low and middle income count....

Nocturnal sleep problems among university students from 26 countries

The aim of this study is to estimate the prevalence of nocturnal sleeping problems and its associated factors among university students in mainly low-....

Mental health correlates of HIV risk behaviour and STIs/HIV infection among university students from 22 low, middle and high income countries

The aim of this study was to determine mental health correlates of HIV risk behaviour and self-reported STIs/HIV infection among university students i....

Prevalence of overweight and underweight and its associated factors among male and female university students in Thailand

Lifestyle habits of Thai society lead young people to conditions of potential cardiovascular risk. The purpose of this study was to assess the prevale....

Risky HIV sexual behaviour and depression among University of Nairobi students

Prevalence rates of human immunodeficiency virus (HIV) infection among the youth are disproportionately high compared to that of other age groups in K....

Factors associated with self-rated health status among university students from 26 low, middle and high income countries

The aim of this study was to investigate self-reported health status and associated factors in low, middle and high income countries. Using anonymous ....

Predictors of non-adherence to anti-tuberculosis medication in tuberculosis patients in Thailand

The study aimed to assess the prevalence of and correlates the non-adherence to anti-tuberculosis (TB) medication in tuberculosis patients in Thailand....

Underestimation of weight and its associated factors in overweight and obese university students from 21 low, middle and emerging economy countries

Awareness of overweight status is an important factor of weight control and may have more impact on one?s decision to lose weight than objective weigh....

The globalization of whitening: prevalence of skin lighteners (or bleachers) use and its social correlates among university students in 26 countries

The aim of this study was to investigate the use of skin lighteners and its social correlates in university students from 26 low, middle income, and e....

Knowledge, attitudes and practice of testicular self-examination among male university students from Bangladesh, Madagascar, Singapore, South Africa and Turkey

The aim of this study was to investigate the knowledge, attitude and practice of testicular self-examination (TSE) among male university students from....

Utilization and practice of traditional/complementary/alternative medicine (T/CAM) in Southeast Asian nations (ASEAN) member states

The objective of this study was to conduct a systematic review of published and unpublished research investigating the prevalence of Traditional Medic....

Sitting time and associated factors among chronic disease patients in Cambodia, Myanmar and Vietnam

The aim of this study was to assess the prevalence of high sitting time and associate factors among chronic disease patients in Cambodia, Myanmar and ....

Prevalence and associated factors of non-uptake of human immunodeficiency virus testing of tuberculosis patients in Thailand

The aim of this study is to assess the prevalence and associated factors of non-uptake of human immunodeficiency virus (HIV) testing by tuberculosis h....

Quality of HIV counselling in South Africa

HIV counselling and testing (HCT) has become increasingly available in South Africa since the 1990s. Over 4500 public health facilities offer client a....

Evaluation of the HIV lay counselling and testing profession in South Africa

With the launch of the national HIV Counselling and Testing (HCT) campaign in South Africa (SA), lay HIV counsellors, who had been trained in blood wi....

Sleep duration and health correlates among university students in 26 countries

The aim of this study was to investigate sleep duration and its health correlates in university students from 26 low-, middle- and high-income countri....

Sexual orientation and HIV risk among youth in South Africa: a brief report

This study investigated the prevalence of homosexual orientation and HIV risk in a population-based survey among youth in South Africa. A cross-sectio....

Awareness of breast cancer risk among female university students from 24 low, middle income and emerging economy countries

The aim of this study was to investigate the awareness of breast cancer risk factors among female university students in 24 low, middle income and eme....

Gambling behaviour and psychosocial correlates among university students in 23 low, middle and emerging economy countries

The aim of this study was to investigate gambling behaviour and psychosocial correlates among university students from 23 low and middle income and em....

Health behaviour and self-reported academic performance among university students: an international study

The aim of this study was to investigate health correlates of academic performance among university students from 26 low and middle income and emergin....

Helmet use and associated factors among motorcyclists in the Association of Southeast Asian Nations: prevalence and effect of interventions

The Association of Southeast Asian Nations (ASEAN) is a collaborative group of 10 countries (Brunei Darussalam, Cambodia, Indonesia, Lao PDR, Malaysia....

Oral health behaviour and social and health factors in university students from 26 low, middle and high income countries

Poor oral health is still a major burden for populations throughout the world, particularly in developing countries. The aim of this study was investi....

Multiple health risk behaviours and posttraumatic stress disorder symptoms among university students from 22 countries

The goal of the study was to investigate multiple health risk behaviours in relation to PTSD symptoms in a sample of university students from 22 count....

Sitting time and its associated factors in university students from 18 low, middle and emerging economy countries

Prolonged sitting is an emerging health risk. The purpose of this study was to assess the prevalence of sitting time and to explore relationships with....

Sun protection use behaviour among university students from 25 low, middle income and emerging economy countries

The aim of this study was to investigate the sun protection use behaviour among university students from 25 low, middle income and emerging economy co....

Trying to lose weight among non-overweight university students from 22 low, middle and emerging economy countries

The aim of this study was to assess the prevalence of trying to lose weight among non-overweight in university students and its sociodemographic and b....

Unintentional injury and social correlates among in-school adolescents in seven Caribbean countries

The aim of this study was to assess estimates of the prevalence and social correlates of unintentional injury among adolescents in the Caribbean. Cros....

Attitudes and practice of cervical cancer screening among female university students from 25 low, middle income and emerging economy countries

Cervical cancer, the third commonest cancer in women worldwide, can be prevented through early detection by cervical screening (Pap smear). The aim of....

Prevalence of loss of all teeth (edentulism) and associated factors in older adults in China, Ghana, India, Mexico, Russia and South Africa

Little information exists about the loss of all one's teeth (edentulism) among older adults in low- and middle-income countries. This study examines t....

Tobacco use, beliefs and risk awareness in university students from 24 low, middle and emerging economy countries

The aim of this study was to determine the prevalence of tobacco use, beliefs and risk awareness and psychosocial correlates of tobacco use among univ....

Stalking victimisation in the context of intimate partner violence in Vhembe district, South Africa

The aim of this study was to assess stalking victimisation in the context of intimate partner violence in a sample of women receiving a protection ord....

Sexual assault and other types of intimate partner violence in women with protection orders in Vhembe district, South Africa

The aim of this study was to assess the prevalence and correlates of sexual assault in the context of intimate partner violence in a sample of women r....

Universal health coverage in emerging economies: findings on health care utilization by older adults in China, Ghana, India, Mexico, the Russian Federation, and South Africa

The achievement of universal health coverage (UHC) in emerging economies is a high priority within the global community. This timely study uses standa....

Content analysis of food advertising strategies and ethical implications on South African television

The study aimed to investigate strategies and ethical implications of food advertising in South African television. The sample included 343 food adver....

Association between antiretroviral therapy adherence and employment status: systemic review and meta-analysis

Objective: To assess the association between the employment status of human immunodeficiency virus (HIV)-infected individuals and adherence to antiret....

HIV risk after release from prison: a pilot case-control study in Canada, France, Ivory Coast and South Africa

This study aimed to assess HIV knowledge, risk perception and risk behaviour of ex-offenders at risk of new infection and to compare them with the gen....

Risk of eating disorders among university students in Bangladesh

As there is a lack of information on eating disorders in Bangladesh, the aim of this study was to explore the eating disorder attitudes and behaviors ....

Needs assessment of a disability rehabilitation centre in a sub-district of Ratchaburi province in Thailand

The paper aims is to carry out the needs assessment, and to come up with a suitable model for the establishment of a rehabilitation centre for the dis....

Work related stress, burnout, job satisfaction and general health of nurses

Gaps in research focusing on work related stress, burnout, job satisfaction and general health of nurses is evident within developing contexts like So....