Results 21 to 30 of about 3,769,160 (235)

Generalized additive models to analyze nonlinear trends in biomedical longitudinal data using R: Beyond repeated measures ANOVA and linear mixed models

bioRxiv, 2021
In biomedical research, the outcome of longitudinal studies has been traditionally analyzed using the repeated measures analysis of variance (rm-ANOVA) or more recently, linear mixed models (LMEMs).
Ariel I. Mundo, Timothy J. Muldoon, John R. Tipton   +2 more
semanticscholar   +1 more source

Targeted mentoring for human immunodeficiency virus programme support in South Africa

Southern African Journal of HIV Medicine, 2019
Background: Mentoring is a required component of health systems strengthening technical assistance interventions in low- and middle-income countries (LMICs). Mentoring is useful because it does not necessarily compromise service delivery and promotes the
Geoffrey Jobson, Moyahabo Mabitsi, Jean Railton, Cornelis J. Grobbelaar, James A. McIntyre, Helen E. Struthers, Remco P.H. Peters   +6 more
doaj   +1 more source

ANOVA Assumptions

Journal of Visual Impairment & Blindness, 2022
In this issue of the Journal of Visual Impairment & Blindness (JVIB), the article “Evaluating the use of tactile shapes in associative learning for people who are blind,” by Gupta, Mannheimer, Rao, and Balakrishnan reports the results of one-way ANOVA ...
R. W. Emerson
semanticscholar   +1 more source

CD4 testing after initiation of antiretroviral therapy: Analysis of routine data from the South African HIV programme

Southern African Journal of HIV Medicine, 2020
Background: People living with HIV (PLHIV) who have low CD4 counts require advanced clinical care (ACC) to minimise morbidity and mortality risk. These patients include immunological non-responders (INRs) with low CD4 counts despite a suppressed viral ...
Rivka R. Lilian, Natasha Davies, Louise Gilbert, James A. McIntyre, Helen E. Struthers, Kate Rees   +5 more
doaj   +1 more source

Outcomes of a Telephonic Postnatal Intervention for Mothers and Babies in Mopani District, Limpopo, South Africa

Frontiers in Global Women's Health, 2022
BackgroundThe postnatal period is a critical period for the health of both mother and infant. Studies show that postnatal care reduces neonatal mortality and other adverse mother and child health outcomes.
Chipo Mutyambizi, Jackie Dunlop, Jackie Dunlop, Rendani Ndou, Helen Struthers, Helen Struthers, James McIntyre, James McIntyre, Kate Rees, Kate Rees   +9 more
doaj   +1 more source

Non‐normal data: Is ANOVA still a valid option?

Psicothema, 2017
Background: The robustness of F‐test to non‐normality has been studied from the 1930s through to the present day. However, this extensive body of research has yielded contradictory results, there being evidence both for and against its robustness.
M. Blanca, R. Alarcón, J. Arnau, Roser Bono, R. Bendayan   +4 more
semanticscholar   +1 more source

Competitiveness and the Logistics Performance Index: The ANOVA method application for Africa, Asia, and the EU regions

, 2021
This paper analyses the impact of strategic sub-components of the Global Competitiveness Index (GCI) on the Logistics Performance Index (LPI). As a hypothesis, it is assumed that there is a relationship between the LPI and selected factors in GCI, which ...
B. Sergi, Vittorio D’Aleo, S. Konecka, Katarzyna Szopik‐Depczyńska, I. Dembińska, G. Ioppolo   +5 more
semanticscholar   +1 more source

Sexual behaviour of women in rural South Africa: a descriptive study

BMC Public Health, 2016
Background Sexual behaviour is a core determinant of the HIV and sexually transmitted infection (STI) epidemics in women living in rural South Africa. Knowledge of sexual behaviour in these areas is limited, but constitutes essential information for a ...
Jan Henk Dubbink, Lisette van der Eem, James A. McIntyre, Nontembeko Mbambazela, Geoffrey A. Jobson, Sander Ouburg, Servaas A. Morre, Helen E. Struthers, Remco P. H. Peters   +8 more
doaj   +1 more source

The relationship between cannabis use and IVF outcome—a cohort study

Journal of Cannabis Research, 2021
Background The effects of cannabis use on male and female reproduction have been the focus of scientific research for decades. Although initial studies raised concerns, more recent studies were reassuring.
Eden Har-Gil, Ayala Heled, Marjorie Dixon, Abdul Munaf Sultan Ahamed, Yaakov Bentov   +4 more
doaj   +1 more source

Outcomes of a model for re-testing HIV-negative index contacts in Sedibeng, South Africa

Southern African Journal of HIV Medicine, 2023
Background: Index contact testing is an HIV case-finding approach that elicits sexual or needle-sharing partners, as well as biological children, of people living with HIV (PLHIV) and offers them HIV testing services.
Ditebogo L. Phiri, Kate Rees, Natasha Davis   +2 more
doaj   +1 more source