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135 results on '"Botha, Tanita"'

5. Some Computational Aspects of a Noncentral Dirichlet Family

Author

Botha, Tanita, Ferreira, Johannes T., Bekker, Andriette, Chen, Ding-Geng, Editor-in-Chief, Bekker, Andriëtte, Editorial Board Member, Coelho, Carlos A., Editorial Board Member, Finkelstein, Maxim, Editorial Board Member, Wilson, Jeffrey R., Editorial Board Member, Ng, Hon Keung Tony, Series Editor, Lio, Yuhlong, Editorial Board Member, Ferreira, Johannes T., editor, and Arashi, Mohammad, editor

Published
2022
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11. Health literacy among an undergraduate student population: a comparative study.

Author

Venter, Cornelia, Mostert, Sonja N, and Botha, Tanita

Subjects
TRANSITION to adulthood, HEALTH literacy, HEALTH behavior, CRITICAL literacy, UNDERGRADUATES, HEALTH equity
Abstract

The transition from adolescence to young adulthood is a critical period in the development of an individual's long-term health behaviour. Health literacy is a critical factor in promoting and maintaining health-enhancing behaviours and preventing non-communicable diseases. Undergraduate students often have limited health literacy, regardless of their educational experience. This quantitative study compared the health literacy of a sample of undergraduate students enrolled in degree programmes in the Faculty of Health Sciences with a similar sample from the Faculty of Humanities at a South African university. The Health Literacy Questionnaire was used to measure health literacy across nine subscales. The sample included 77 participants (n = 77). An independent samples t -test and Mann–Whitney U test were employed to compare the health literacy of students from the two faculties. The study found that students enrolled in the Faculty of Health Sciences generally demonstrated higher health literacy levels across several subscales compared to those from the Faculty of Humanities. This research contributes to understanding the disparities in health literacy among undergraduate students across distinct academic disciplines, underscoring the importance of implementing interventions to enhance health-related knowledge within specific academic domains. [ABSTRACT FROM AUTHOR]

Published
2024
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13. Effects of no mask, a surgical mask and a fabric buff on peripheral oxygenation saturation during moderate intensity exercise: a randomised cross-over study

Author

Janse van Rensburg, Dina Christa, primary, Jansen van Rensburg, Audrey, additional, Botha, Tanita, additional, Elliott, Kirsty, additional, Ramagole, Dimakatso, additional, Pillay, Lervasen, additional, Hendricks, Shona, additional, Eyden, Devlin, additional, Arnott, Claire, additional, and Stevens, David James, additional

Published
2024
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14. 443 FO23 – Injury risk factors in trail running: latest evidence from a living systematic review

Author

Viljoen, Carel, primary, Mechelen, Willem van, additional, Verhagen, Evert, additional, Silva, Bruno, additional, Scheer, Volker, additional, Besomi, Manuela, additional, Gajardo-Burgos, Rubén, additional, Matos, Sérgio, additional, Schoeman, Marlene, additional, Rensburg, Audrey Jansen van, additional, Dyk, Nicol van, additional, Scheepers, Susan, additional, Botha, Tanita, additional, and Rensburg, Christa Janse van, additional

Published
2024
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15. Managing Travel Fatigue and Jet Lag in Athletes: A Review and Consensus Statement

Author

Janse van Rensburg, Dina C., Jansen van Rensburg, Audrey, Fowler, Peter M., Bender, Amy M., Stevens, David, Sullivan, Kieran O., Fullagar, Hugh H. K., Alonso, Juan-Manuel, Biggins, Michelle, Claassen-Smithers, Amanda, Collins, Rob, Dohi, Michiko, Driller, Matthew W., Dunican, Ian C., Gupta, Luke, Halson, Shona L., Lastella, Michele, Miles, Kathleen H., Nedelec, Mathieu, Page, Tony, Roach, Greg, Sargent, Charli, Singh, Meeta, Vincent, Grace E., Vitale, Jacopo A., and Botha, Tanita

Published
2021
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18. One‐year anthropometric follow‐up of South African preterm infants in kangaroo mother care: Which early‐life factors predict malnutrition?

Author

Nel, Sanja, Wenhold, Friede, Botha, Tanita, and Feucht, Ute

Subjects
PREMATURE infants, MULTIPLE regression analysis, NEONATAL nursing, MALNUTRITION, GROWTH of children, INFANTS
Abstract

Background: Preterm infants often have poor short‐ and long‐term growth. Kangaroo mother care supports short‐term growth, but longer‐term outcomes are unclear. Methods: This study analysed longitudinally collected routine clinical data from a South African cohort of preterm infants (born <37 weeks gestation) attending the outpatient follow‐up clinic of a tertiary‐level hospital (Tshwane District, South Africa) for 1 year between 2012 and 2019. At 1 year, small‐for‐gestational age (SGA) and appropriate‐for‐gestational age (AGA) infants were compared with regard to age‐corrected anthropometric z‐scores (weight‐for‐age [WAZ], length‐for‐age [LAZ], weight‐for‐length [WLZ] and BMI‐for‐age [BMIZ]) and rates of underweight (WAZ < −2), stunting (LAZ < −2), wasting (WLZ < −2) and overweight (BMIZ> + 2). Multiple regression analysis was used to investigate associations between maternal/infant characteristics and rates of underweight, stunting, wasting and overweight. Results: At 1 year, compared with AGA infants (n = 210), SGA infants (n = 111) had lower WAZ (−1.26 ± 1.32 vs. −0.22 ± 1.24, p < 0.001), LAZ (−1.50 ± 1.11 vs. −0.60 ± 1.06, p < 0.001), WLZ (−0.66 ± 1.31 vs. 0.11 ± 1.24, p < 0.001) and BMIZ (−0.55 ± 1.31 vs. 1.06 ± 1.23, p < 0.001), despite larger WAZ gains from birth (+0.70 ± 1.30 vs. +0.05 ± 1.30, p < 0.001). SGA infants had significantly more stunting (34.2% vs. 9.1%; p < 0.001), underweight (31.2% vs. 7.2%; p < 0.001) and wasting (12.6% vs. 4.3%, p = 0.012), with no difference in overweight (4.5% vs. 7.7%, p = 0.397). In multiple regression analysis, birth weight‐for‐GA z‐score more consistently predicted 1‐year malnutrition than SGA. Conclusion: Preterm‐born SGA infants remain more underweight, stunted and wasted than their preterm‐born AGA peers at 1 year, despite greater WAZ gains. Interventions for appropriate catch‐up growth especially for SGA preterm infants are needed. [ABSTRACT FROM AUTHOR]

Published
2024
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19. Performance of contrast‐enhanced mammography for detecting multifocal and multicentric breast cancer and evaluating tumour size, and implications for surgical management: Early experience in a tertiary centre.

Author

Thanh Ha Nguyen, Margaret, Varma, Nisha, Lan Cheong Wah, David, Chew, Renny, Botha, Tanita, Kouloyan‐Ilic, Susan, and Paiva, Joseph

Subjects
BREAST, BREAST cancer, DIGITAL mammography, MAMMOGRAMS, BREAST biopsy, TUMORS
Abstract

Introduction: To compare diagnostic accuracy of contrast‐enhanced mammography (CEM) with standard 2D digital mammography (equivalent to low‐energy image; LEM) for detection of multifocal and multicentric breast cancer and evaluation of tumour size and disease extent for preoperative planning. Methods: Biopsy proven breast cancer patients who underwent CEM preoperatively between January 2021 and January 2023 were included in this study. CEM and LEM images were independently reviewed by at least two blinded readers. Lesion location, number, size (maximal diameter) and extension across the midline and/or nipple invasion were recorded. Tumour number and size estimated on imaging were compared with final operative histology, which served as the gold standard. Results: Forty‐nine patients (48 females and 1 male) and 50 cases (one patient had bilateral breast lesions) were included in the analysis. Median patient age was 60 (IQR 51, 69). CEM had significantly higher lesion detection rate compared with LEM, with sensitivities of 78% for LEM and 92% for CEM for the index tumour and 15% for LEM and 100% for CEM for multicentric and multifocal cancer. We found no statistically significant difference in median tumour size measurements on CEM and final surgical specimen (P value = 0.97); however, a significant difference was identified in the tumour size measured on LEM and surgical specimen (P value < 0.001). Conclusion: CEM is superior to standard 2D digital mammography for detection of multifocal and multicentric breast cancer and is a reliable and more accurate method for estimating tumour size. [ABSTRACT FROM AUTHOR]

Published
2024
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22. Effect of the COVID-19 pandemic on women’s, maternal and child health services in Tshwane District, South Africa

Author

Kruger, Annelet, primary, Letebele-Hartell, Manei, additional, Tshukudu, Mphailele, additional, Moshime-Shabangu, Mpho, additional, Manyane, Tabea, additional, Van der Westhuizen, Maria, additional, Mlangeni, Mary, additional, Phoshoko, Setlola, additional, Makau, Rebecca, additional, Mfolo, Vivian, additional, Masha, Maureen, additional, Ramokolo, Vundli, additional, Botha, Tanita, additional, and Feucht, Ute, additional

Published
2023
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33. South African Healthcare Professionals’ Knowledge, Attitudes, and Practices Regarding Environmental Sustainability in Healthcare: A Mixed-Methods Study

Author

Lister, Helga E., primary, Mostert, Karien, additional, Botha, Tanita, additional, van der Linde, Simoné, additional, van Wyk, Elaine, additional, Rocher, Su-Ané, additional, Laing, Richelle, additional, Wu, Lucy, additional, Müller, Selma, additional, des Tombe, Alexander, additional, Kganyago, Tebogo, additional, Zwane, Nonhlanhla, additional, Mphogo, Boitumelo, additional, and Maric, Filip, additional

Published
2022
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40. Antenatal Doppler screening for fetuses at risk of adverse outcomes: a multicountry cohort study of the prevalence of abnormal resistance index in low-risk pregnant women

Author

Vannevel, Valerie, primary, Vogel, Joshua P, additional, Pattinson, Robert C, additional, Adanu, Richard, additional, Charantimath, Umesh, additional, Goudar, Shivaprasad S, additional, Gwako, George, additional, Kavi, Avinash, additional, Maya, Ernest, additional, Osoti, Alfred, additional, Pujar, Yeshita, additional, Qureshi, Zahida P, additional, Rulisa, Stephen, additional, Botha, Tanita, additional, and Oladapo, Olufemi T, additional

Published
2022
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43. Trail running injury risk factors: a living systematic review

Author

Viljoen, Carel, primary, Janse van Rensburg, Dina C (Christa), additional, van Mechelen, Willem, additional, Verhagen, Evert, additional, Silva, Bruno, additional, Scheer, Volker, additional, Besomi, Manuela, additional, Gajardo-Burgos, Rubén, additional, Matos, Sérgio, additional, Schoeman, Marlene, additional, Jansen van Rensburg, Audrey, additional, van Dyk, Nicol, additional, Scheepers, Susan, additional, and Botha, Tanita, additional

Published
2022
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47. Maternal characteristics and pregnancy outcomes of hospitalized pregnant women with SARS‐CoV‐2 infection in South Africa: An International Network of Obstetric Survey Systems‐based cohort study

Author

Budhram, Samantha, primary, Vannevel, Valerie, additional, Botha, Tanita, additional, Chauke, Lawrence, additional, Bhoora, Shastra, additional, Balie, Gaynor M., additional, Odell, Natalie, additional, Lombaard, Hennie, additional, Wise, Amy, additional, Georgiou, Chrysanthi, additional, Ngxola, Nondumiso, additional, Wynne, Emma, additional, Mbewu, Unati, additional, Mabenge, Mfundo, additional, Phinzi, Sibusiso, additional, Gubu‐Ntaba, Nontsikelelo, additional, Goldman, Gareth, additional, Tunkyi, Kay, additional, Prithipal, Sudhir, additional, Naidoo, Keshree, additional, Venkatachalam, Santhi, additional, Moodley, Terence, additional, Mould, Sean, additional, Hlabisa, Mzuvele, additional, Govender, Logie, additional, Maistry, Charlene, additional, Habineza, John P., additional, Israel, Priya, additional, Foolchand, Serantha, additional, Tsibiyane, Nomandla V., additional, Panday, Mala, additional, Soma‐Pillay, Priya, additional, Adam, Sumaiya, additional, Molokoane, Felicia, additional, Mojela, Matthew S., additional, Rensburg, Elizabeth J., additional, Mashamba, Tshililo, additional, Matjila, Mushi, additional, Fawcus, Sue, additional, Osman, Ayesha, additional, Venter, Mareli, additional, Petro, Gregory, additional, Fakier, Ahminah, additional, Langenegger, Eduard, additional, Cluver, Catherine A., additional, Bekker, Adrie, additional, Waard, Liesl, additional, Stewart, Chantal, additional, Ngene, Nnabuike C., additional, Lunda, Ongombe, additional, N.Cebekhulu, Sylvia, additional, Moodley, Siva, additional, Koranteng‐Peprah, Mama‐Asu, additional, Ati, Emmanuel M. C., additional, Maswime, Salome, additional, and Yates, Laura M., additional

Published
2021
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48. The epidemiology of injury and illness at the Vitality Netball World Cup 2019: an observational study.

Author

Janse van Rensburg, Dina Christa, Bryant, Grace, Kearney, Sharon, Singh, Praimanand, Devos, Arnold, Jansen van Rensburg, Audrey, Schwellnus, Martin P., and Botha, Tanita

Abstract

Netball is a physical game with sudden direction changes, decelerations, jumping and landing, stop/start maneuvers and restrictive footwork rules exposing players to injury. Close contact play and shared facilities during tournaments, increase illness risk. Objective: To describe incidence, period prevalence, types and severity of injuries and illnesses during the 10-day Vitality Netball World Cup 2019 (NWC). Methods: All players from 16 teams consented (n = 192). Medical staff recorded injuries (840 exposure hours), illnesses (1440 player-days) and time-loss. Main outcome measures included incidence (I) calculated as injury/1000 player-hours and illness/1000 player-days, period prevalence (PP) and severity (time-loss) of all match injuries and illnesses. 39 players sustained 46 match injuries (I = 54.76; PP = 20.31%). Lower limb injuries (I = 29.76), specifically the ankle (I = 13.10) were most common with lateral ankle ligament sprains the highest (I = 17.39). Contact injuries (I = 40.48) significantly exceeded non-contact injuries (I = 14.29; p = 0.0124). Center players sustained most injuries (n = 12; 26%; I = 14.29), followed by goalkeepers (n = 10; 22%; I = 11.90) and goal defenders (n = 8; 17%; I = 9.52). Injuries occurred in almost 50% of matches, and 67% did not result in time-loss. Time-loss injuries (n = 14; 33%) were most frequent in the lower limb (n = 10; 71%) specifically involved lateral ankle ligaments (n = 4; 29%), attributable to contact (n = 11; 79%) and mostly implicated center players and goal defenders (n = 4 each; 29% each). 11 players contracted 11 illnesses (I = 7.64; PP = 5.72%) with respiratory tract illness contributing 36%. Most illnesses did not result in time-loss (91%). This is the first study reporting injury and illness during an NWC. Contact was the main mechanism of injury, and 2/3 of injuries did not result in time-loss. The ankle is most commonly injured and center players sustain most injuries. Non-respiratory system disease was most frequent, but upper respiratory tract infection remains the most common diagnosis. Targeted surveillance studies using similar methodology are required to develop injury and illness preventative strategies in elite netball. [ABSTRACT FROM AUTHOR]

Published
2022
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