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https://www.readbyqxmd.com/read/28526285/single-grain-osl-chronologies-for-the-still-bay-and-howieson-s-poort-industries-and-the-transition-between-them-further-analyses-and-statistical-modelling
#1
Zenobia Jacobs, Richard G Roberts
The chronology of the Still Bay (SB) and Howieson's Poort (HP) lithic industries remains an issue of keen interest because of the central role of these two phases of technological and behavioural innovation within the Middle Stone Age of southern Africa. Several dating studies have been conducted on SB and HP sites, including a pair published by the present authors and our colleagues in 2008 and 2013. These reported the results of systematically applying single-grain optically stimulated luminescence (OSL) dating procedures to 10 sites in South Africa, Lesotho and Namibia to constrain the timing of the start and end of the SB and HP and reveal the existence of a gap of several millennia between them...
June 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28526006/cardiometabolic-profile-of-obese-children-in-a-sub-saharan-african-setting-a-cross-sectional-study
#2
Eunice Chedjou-Nono, Suzanne Sap, Simeon-Pierre Choukem, Issa Ngosso Tetanye, Daniel Nebongo, Olivier Koki Ndombo
BACKGROUND: Cardiovascular and metabolic consequences of obesity in children, unlike adults, are still not well understood nor have they been subject to extensive research in Africa. We aimed to identify the cardio-metabolic complications associated with childhood obesity at the early phase of the management of obese children in a reference center in Cameroon. METHODS: In this cross-sectional study conducted from November 2013 to September 2014 and based on World Health Organization (WHO) classification of Obesity (BMI > 3SD under 5 years and BMI > 2SD from 5 and above), we included children aged 3 to 17 years who were being followed up for obesity at the pediatric endocrinology unit of the Mother and Child Center of the Chantal BIYA Foundation in Yaounde, Cameroon...
May 19, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28524803/maternal-and-early-life-nutrition-and-physical-activity-setting-the-research-and-intervention-agenda-for-addressing-the-double-burden-of-malnutrition-in-south-african-children
#3
A Prioreschi, S Wrottesley, C E Draper, S A Tomaz, C J Cook, E D Watson, M N M Van Poppel, R Said-Mohamed, S A Norris, E V Lambert, L K Micklesfield
Early life is important for later health outcomes, yet there are few studies which adequately address all of the potential early life insults that may affect later life health and growth trajectories. This is particularly evident in low- to middle-income countries such as South Africa, where women of childbearing age are particularly vulnerable to high levels of physical inactivity, malnutrition, and obesity. Pregnancy may therefore be an opportune time to change behaviours and improve maternal and offspring health outcomes, and decrease the inter-generational transfer of risk...
2017: Global Health Action
https://www.readbyqxmd.com/read/28522869/ancient-river-inference-explains-exceptional-oriental-freshwater-mussel-radiations
#4
Ivan N Bolotov, Alexander V Kondakov, Ilya V Vikhrev, Olga V Aksenova, Yulia V Bespalaya, Mikhail Yu Gofarov, Yulia S Kolosova, Ekaterina S Konopleva, Vitaly M Spitsyn, Kitti Tanmuangpak, Sakboworn Tumpeesuwan
The concept of long-lived (ancient) lakes has had a great influence on the development of evolutionary biogeography. According to this insight, a number of lakes on Earth have existed for several million years (e.g., Baikal and Tanganyika) and represent unique evolutionary hotspots with multiple intra-basin radiations. In contrast, rivers are usually considered to be variable systems, and the possibility of their long-term existence during geological epochs has never been tested. In this study, we reconstruct the history of freshwater basin interactions across continents based on the multi-locus fossil-calibrated phylogeny of freshwater mussels (Unionidae)...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522079/sleep-duration-is-associated-with-increased-risk-for-cardiovascular-outcomes-a-pilot-study-in-a-sample-of-community-dwelling-adults-in%C3%A2-ghana
#5
Helen V Cole, Ellis Owusu-Dabo, Juliet Iwelunmor, Valerie Newsome, Karlijn Meeks, Charles Agyemang, Girardin Jean-Louis
BACKGROUND: Associations between sleep duration and cardiovascular disease (CVD) risk factors have been demonstrated in past studies. However, previous studies have not investigated these relationships using objective sleep measures in sub-Saharan Africa. Our objective was to investigate the association between sleep duration and cardiovascular risk factors in a sample of community-dwelling Ghanaian adults. METHODS: We used wrist actigraphy along with a seven-day sleep diary to measure sleep duration, wake after sleep onset, sleep latency, and sleep quality...
June 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28521722/prevalence-and-risk-factors-for-human-immunodeficiency-virus-hiv-and-syphilis-infections-among-military-personnel-in-sierra-leone
#6
Djeneba Audrey Djibo, Foday Sahr, J Allen McCutchan, Sonia Jain, Maria Rosario G Araneta, Stephanie K Brodine, Richard A Shaffer
CONTEXT: HIV and syphilis infections are common in military personnel in sub-Saharan Africa, which impact combat preparedness and increase demands on the military health care system. The prevalence of HIV is estimated at 1.5% among the general population (15-49 years of age) of Sierra Leone, and the estimated syphilis prevalence ranged from 1.5% to 5.2% based on regional studies. We examined the prevalence and risk factors for these two common sexually transmitted infections in the Sierra Leone military personnel...
May 16, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28521252/trauma-type-as-a-conditional-risk-factor-for-posttraumatic-stress-disorder-in-a-referred-clinic-sample-of-adolescents
#7
Jani Nöthling, Candice Simmons, Sharain Suliman, Soraya Seedat
INTRODUCTION: Traumatic experiences that are varied in type and severity may lead to the development of Posttraumatic Stress Disorder (PTSD). Some trauma types present a higher conditional risk for PTSD owing to their nature and impact on growth and functioning. Few studies have investigated the conditional risk of PTSD in clinic referred adolescents in low- and middle-income countries. The aim of the study was to determine the conditional risk for PTSD based on various trauma types (car accidents, other serious accidents, fires, witnessing a natural disaster, witnessing a violent crime, being confronted with traumatic news, witnessing domestic violence, physical abuse and sexual abuse) and to stratify risk by gender...
May 5, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28515549/evaluation-of-modified-patient-health-questionnaire-9-teen-in-south-african-adolescents
#8
Shilpa Aggarwal, Lian Taljard, Zane Wilson, Michael Berk
BACKGROUND: This report describes the findings of the survey conducted by South African Depression and Anxiety Group (SADAG) in a cohort of disadvantaged South African adolescent scholars in which PHQ-9 teen version was modified and adapted (PHQ-9M) to improve the response rate. METHOD: PHQ-9M was administered to 2025 secondary students of 35 schools over 2 years in Gauteng Province, South Africa. RESULTS: The mean age was 15.8 years. 23% of respondents scored 9 or above, 26...
March 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28515108/a-comparison-of-the-natural-history-of-hpv-infection-and-cervical-abnormalities-among-hiv-positive-and-hiv-negative-women-in-senegal-africa
#9
Hilary K Whitham, Stephen E Hawes, Haitao Chu, J Michael Oakes, Alan R Lifson, Nancy B Kiviat, Papa Salif Sow, Geoffrey S Gottlieb, Selly Ba, Marie P Sy, Shalini L Kulasingam
Background: There is evidence of an interaction between HIV and human papillomavirus (HPV) resulting in increased HPV-associated morbidity and cancer mortality among HIV-positive women. This study aims to determine how the natural history of cervical HPV infection differs by HIV status.Methods: A total of 1,320 women (47% were positive for HIV-1 and/or HIV-2) were followed for an average of two years in Senegal, West Africa between 1994 and 2010. Cytology (with a sub-sample of histology) and HPV DNA testing were performed at approximately 4-month intervals yielding data from over 7,900 clinic visits...
May 17, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28515024/knowledge-attitude-and-practice-towards-blood-donation-among-health-care-providers-in-hospitals-at-bahir-dar-city-ethiopia
#10
Bayeh Abera, Beyan Mohammed, Wendmagegn Betela, Reshid Yimam, Adam Oljira, Merhab Ahmed, Wubet Tsega, Wondemagegn Mulu, Endalew Yizengaw
Like other sub-Saharan Africa, in Ethiopia there is a shortage of adequate and safe blood supplies. Health care providers are potential resource and promoter of voluntary blood donation. This study was conducted to determine the knowledge, attitude and practice towards blood donation among health care providers in Bahir Dar City, Ethiopia. Paper based questionnaire was distributed to 276 health care providers from May 01 to June 30, 2016. Overall, 42.8% had donated blood at least once. Of these, males accounted for 60%...
April 26, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28513815/epidemiology-of-paediatric-meningitis-in-central-c%C3%A3-te-d-ivoire-after-the-implementation-of-haemophilus-influenzae-type-b-vaccination
#11
Fidèle S Touré, Samson Kouame, Honoré Tia, Pacôme Monemo, Amadou Cissé, Bamourou Diané, Sören L Becker, Chantal Akoua-Koffi
Infectious meningitis accounts for enormous morbidity worldwide, but there is a paucity of data on its regional epidemiology in resource-constrained settings of sub-Saharan Africa. Here, we present a study on the aetiology of paediatric meningitis in central Côte d'Ivoire. Between June 2012 and December 2013, all cerebrospinal fluid (CSF) samples drawn at the University Teaching Hospital Bouaké were examined for the presence of bacterial and fungal pathogens. A causative agent was detected in 31 out of 833 CSF specimens (3...
May 17, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28513417/carriage-of-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-hiv-infected-children-in-zimbabwe
#12
S M S Wilmore, K Kranzer, A Williams, B Makamure, A F Nhidza, J Mayini, T Bandason, J Metcalfe, M P Nicol, I Balakrishnan, M J Ellington, N Woodford, S Hopkins, T D McHugh, R A Ferrand
BACKGROUND: Antimicrobial resistance is an emerging global health issue. Data on the epidemiology of multidrug-resistant organisms are scarce for Africa, especially in HIV-infected individuals who often have frequent contact with healthcare. We investigated the prevalence of extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-E) carriage in stool among HIV-infected children attending an HIV outpatient department in Harare, Zimbabwe. METHODS: We recruited children who were stable on antiretroviral therapy (ART) attending a HIV clinic from August 2014 to June 2015...
May 18, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28512538/oral-hygiene-and-periodontal-health-status-among-khat-chewers-a-case-control-study
#13
Sadeq-Ali Al-Maweri, Mohammed AlAkhali
BACKGROUND: Habitual khat chewing is a widespread male habit in Southern Arabia and East Africa. The aim of this study was to assess the effect of Khat chewing on oral hygiene and periodontal health status among Yemeni male khat chewers. MATERIAL AND METHODS: This case- control study included 310 khat chewers, aged 20-65 years, and 72 age- and gender- matched non-chewers as controls. Periodontal examination included recording of dental plaque index (PI), gingival index (GI), probing pocket depth (PPD), attachment level (AL) and gingival recession (GR)...
May 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28511721/socioeconomic-status-and-dietary-patterns-in-children-from-around-the-world-different-associations-by-levels-of-country-human-development
#14
Taru Manyanga, Mark S Tremblay, Jean-Philippe Chaput, Peter T Katzmarzyk, Mikael Fogelholm, Gang Hu, Rebecca Kuriyan, Anura Kurpad, Estelle V Lambert, Carol Maher, Jose Maia, Victor Matsudo, Timothy Olds, Vincent Onywera, Olga L Sarmiento, Martyn Standage, Catrine Tudor-Locke, Pei Zhao, Vera Mikkila, Stephanie T Broyles
BACKGROUND: Although 'unhealthy' diet is a well-known risk factor for non-communicable diseases, its relationship with socio-economic status (SES) has not been fully investigated. Moreover, the available research has largely been conducted in countries at high levels of human development. This is the first study to examine relationships among dietary patterns and SES of children from countries spanning a wide range of human development. METHODS: This was a multinational cross-sectional study among 9-11 year-old children (n = 6808) from urban/peri-urban sites across 12 countries...
May 16, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28510998/new-onset-type-2-diabetes-mellitus-among-patients-receiving-hiv-care-at-newlands-clinic-harare-zimbabwe-retrospective-cohort-analysis
#15
Cleophas Chimbetete, Catrina Mugglin, Tinei Shamu, Bindu Kalesan, Barbara Bertisch, Matthias Egger, Olivia Keiser
OBJECTIVE: To assess the incidence and associated factors of Type 2 Diabetes Mellitus (T2DM) among people living with HIV (PLHIV) in Zimbabwe. METHODS: We analyzed data of all HIV-infected patients older than 16 years who attended Newlands Clinic between March 1, 2004 and April 29, 2015. The clinic considers patients whose random blood sugar is higher than 11.1 mmol/L and which is confirmed by a fasting blood sugar higher than 7.0 mmol/L to have T2DM. T2DM is also diagnosed in symptomatic patients who have a RBS >11...
May 16, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28506274/contextual-and-psychosocial-factors-predicting-ebola-prevention-behaviours-using-the-ranas-approach-to-behaviour-change-in-guinea-bissau
#16
Anna E Gamma, Jurgita Slekiene, Gregor von Medeazza, Fredrik Asplund, Placido Cardoso, Hans-Joachim Mosler
BACKGROUND: The outbreak of the Ebola virus disease (EVD) in West Africa in December 2013 was the largest Ebola outbreak in history. This study aimed to measure the underlying contextual and psychosocial factors of intentions to perform Ebola prevention behaviours (not touching people who might be suffering from Ebola, reporting suspected cases to the National Ebola Hotline, NEH) in Guinea-Bissau. Geographical location, cross-border market activities, poor water, sanitation and hygiene (WASH) conditions, and burial practices in some communities pose a serious risk in terms of potential EVD outbreak and seriously hamper its prevention in Guinea-Bissau...
May 15, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28506226/institutional-delivery-service-utilization-and-associated-factors-among-women-of-reproductive-age-in-the-mobile-pastoral-community-of-the-liban-district-in-guji-zone-oromia-southern-ethiopia-a-cross-sectional-study
#17
Wako Golicha Wako, Dejene Hailu Kassa
BACKGROUND: Globally, an estimated 289,000 maternal deaths occurred in 2013. Majority of these deaths occurred in sub-Saharan Africa and Southern Asia. Mobility of pastoralists is a well-recognized survival strategy in arid and semi-arid land of sub-Saharan Africa. However governments often encourage settlement as a solution to the difficulty of providing health services for mobile pastoralists. This study aimed to assess utilization of institutional delivery and associated factors among women of reproductive age in the mobile pastoral community of the Liban District in Guji zone, Oromia, Ethiopia...
May 15, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28506217/association-between-maternal-social-deprivation-and-prenatal-care-utilization-the-precare-cohort-study
#18
Clémentine Gonthier, Candice Estellat, Catherine Deneux-Tharaux, Béatrice Blondel, Toni Alfaiate, Thomas Schmitz, Jean-François Oury, Laurent Mandelbrot, Dominique Luton, Philippe Ravaud, Elie Azria
BACKGROUND: Maternal social deprivation is associated with an increased risk of adverse maternal and perinatal outcomes. Inadequate prenatal care utilization (PCU) is likely to be an important intermediate factor. The health care system in France provides essential health services to all pregnant women irrespective of their socioeconomic status. Our aim was to assess the association between maternal social deprivation and PCU. METHODS: The analysis was performed in the database of the multicenter prospective PreCARE cohort study...
May 16, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28505328/advanced-hiv-disease-in-botswana-following-successful-antiretroviral-therapy-rollout-incidence-of-and-temporal-trends-in-cryptococcal-meningitis
#19
Mark W Tenforde, Margaret Mokomane, Tshepo Leeme, Raju K K Patel, Nametso Lekwape, Chandapiwa Ramodimoosi, Bonno Dube, Elizabeth A Williams, Kelebeletse O Mokobela, Ephraim Tawanana, Tlhagiso Pilatwe, William J Hurt, Hannah Mitchell, Doreen L Banda, Hunter Stone, Mooketsi Molefi, Kabelo Mokgacha, Heston Phillips, Paul C Mullan, Andrew P Steenhoff, Yohana Mashalla, Madisa Mine, Joseph N Jarvis
Background: Botswana has a well-developed antiretroviral therapy (ART) program which serves as a regional model. With wide ART availability, the burden of advanced HIV and associated opportunistic infections would be expected to decline. We performed a nationwide surveillance study to determine the national incidence of cryptococcal meningitis, and describe characteristics of cases 2000-2014 and temporal trends at two national referral hospitals. Methods: Cerebrospinal fluid data from all 37 laboratories performing meningitis diagnostics in Botswana were collected 2000-2014 to identify cases of cryptococcal meningitis...
May 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28504464/skeletal-maturity-of-the-hand-in-an-east-african-group-from-sudan
#20
Fadil Elamin, Nihal Abdelazeem, Ahmed Elamin, Duaa Saif, Helen M Liversidge
OBJECTIVES: Studies of skeletal maturity from Africa indicate a delay, reflected in a negative relative skeletal age (RSA). This study aims to evaluate the influence of age, socioeconomic status (SES) and nutritional status on skeletal maturation in a large sample of children from North Sudan. MATERIALS: The sample consisted 665 males and 1018 females from 3-25 years from Khartoum. Height, weight, age of menarche and, SES were recorded of patients attending for dental treatment...
May 15, 2017: American Journal of Physical Anthropology
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