Browsing Research Articles (Statistics & Population Studies) by Title
Now showing items 142-161 of 165
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Tackling sport-related concussion: Effectiveness of lowering the maximum legal height of the tackle in amateur male rugby - A cross-sectional analytical study
(BMJ Publishing Group, 2023)Objective Rugby union ( € rugby') is popular globally, with most of its participants being amateur. Concern regarding sport-related concussion (SRC) sustained during rugby is increasing. SRC occurs most frequently in the ... -
Time series models of three sets of RXTE Observations of 4U 1543-47
(Oxford University Press, 2013)The X-ray nova 4U 1543−47 was in a different physical state (low/hard, high/soft, and very high) during the acquisition of each of the three time series analyzed in this paper. Standard time series models of the ... -
Time series photometry of the nearby brown dwarf DENIS-P J0041353-562112
(Oxford University Press, 2011)DENIS-P J0041353−562112 is a brown dwarf, with a spectral type of M7.5, which may be younger than 20 Myr. On the basis of its Hα emission-line asymmetry, it has been suggested that the object is accreting material. If ... -
Trauma and PTSD in prisons and corrections
(Elsevier, 2023)Post-traumatic stress disorder (PTSD), and particularly complex PTSD, is over-represented in prisons and corrections. In this interview with Jean-Pierre Bouchard, Thomas Fovet, Cle ́ ment Villa, Bettina Belet, Fanny ... -
Trends and risk factors for childhood diarrhea in sub-Saharan countries (1990 2013): assessing the neighborhood inequalities
(Co-Action Publishing, 2016)BACKGROUND: Diarrheal diseases are a major cause of child mortality and one of the main causes of medical consultation for children in sub-Saharan countries. This paper attempts to determine the risk factors and neighborhood ... -
Trends in HIV risk behaviour of incoming first-year students at a South African university: 2007–2012
(Taylor and Francis Group, 2015)The aim of the research on which this article is based was to understand the behavioural changes of the target student populationover time to ensure that future prevention programmes are more effective in changing behaviour. ... -
Tri-infection: Tuberculosis, HIV, COVID-19 and the already strained South African health system
(Elsevier, 2021)The 30th of May 2021 marks the latest significant national address, where President Cyril Ramaphosa moves the country back into level two lockdown with the hopes of curving the new COVID-19 surge while guarding an improving ... -
Two large amplitude slowly pulsating hot subdwarf stars
(Oxford University Press, 2011)The discovery observations of two new slowly pulsating subdwarf B stars (V1093 Her stars), BPS CS22890−74 and PB 7032, are presented. Both stars are highly multiperiodic, and have – for V1093 Her stars – large amplitudes. ... -
Two new pulsating hot subdwarf stars from the Edinburgh-Cape survey
(Oxford University Press, 2009)We report the discovery of very rapid pulsations in two hot subdwarf stars from the Edinburgh- Cape blue object survey. The short periods, small amplitudes and multiperiodicity establish these stars as members of the ... -
Two new variable sdB stars, HE 0218−3437 and LB 1516
(Oxford University Press, 2010)We present photometry which shows that two known hot subdwarf stars, HE 0218−3437 and LB 1516, are variable. LB 1516 exhibits several frequencies in the range 12–25 cycles d−1 (periods of about 1–2 h) with amplitudes ... -
UBV(RI)C JHK observations of Hipparcos-selected nearby stars
(Oxford University Press, 2010)We present homogeneous, standardized UBV(RI)C photometry for over 700 nearby stars selected on the basis of Hipparcos parallaxes. Additionally, we list JHK photometry for about half of these stars, as well as L photometry ... -
UBV(RI)C photometry of transiting planet hosting stars
(Oxford University Press, 2011)We present new UBV(RI)C photometry of 22 stars that host transiting planets, 19 of which were discovered by the Wide Angle Search for Planets (WASP) survey. We use these data together with Two Micron All Sky Survey (2MASS) ... -
Under-5 Mortality in Tanzania: a demographic scenario
(Tehran University of Medical Sciences, 2012)Background: The government of the United Republic of Tanzania has initiated the Integrated Management of Childhood Illness program to improve the health and wellbeing of children. Methods: Tanzania’s under-five mortality ... -
Understanding issues of people living with disabilities in South Africa
(SAGE Publications, 2013)The problem of disabilities is growing all over the world. Nevertheless, some progress has been made since the year 1981 was proclaimed International Year of Disabled Persons. In 2001 people living with disabilities accounted ... -
Unmet need for family planning and barriers to contraceptive use in Kaduna, Nigeria: culture, myths and perceptions
(Taylor & Francis, 2020)In 2017, just one-fifth of all married women of reproductive age reported using contraception in Kaduna state, Nigeria, while many more experienced unmet need for contraception. These realities drive risky fertility ... -
Using a mHealth system to recall and refer existing clients and refer community members with health concerns to primary healthcare facilities in South Africa: a feasibility study
(Taylor & Francis, 2020)Background: Lay health workers (LHWs) are critical in linking communities and primary healthcare (PHC) facilities. Effective communication between facilities and LHWs is key to this role. We implemented a mobile health ... -
Validation of simple dichotomous self-report on prenatal alcohol and other drug use in women attending midwife obstetric units in the Cape Metropole, South Africa
(SAGE, 2020)Background: This paper examines the degree of agreement among simple dichotomous self-report, validated screening results, and biochemical screening results of prenatal alcohol and other drug use among pregnant women. ... -
Variants within the COMP and THBS2 genes are not associated with Achilles tendinopathy in a case-control study of South African and Australian populations
(Taylor & Francis, 2013)Cartilage oligomeric matrix protein is a structural protein of the extracellular matrix, while thrombospondin-2 is a matricellular protein involved in cell–matrix interactions. Recent studies have shown that genetic variation ... -
Vulnerable diseases affecting child mortality in Sierra Leone: emerging health issue
(SAGE Publications, 2012)Child mortality in Sierra Leone is the highest ranked in the world. The main causes for child mortality are maternal factors, environmental factors and health factors. Minimal research has been carried out on health factors ... -
A weighted bootstrap approach to logistic regression modelling in identifying risk behaviours associated with sexual activity
(Taylor and Francis Group, 2019)The latest population estimates released by Statistics South Africa indicate that 25.03% of alldeaths in 2017 in South Africa were AIDS-related. Along with these results, it is also reportedthat 7.06% of the population ...