Associate Professor Siranda Torvaldsen

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School :

School of Population Health

Email :

siranda@unsw.edu.au

University role :

Adjunct Associate Professor

Research Interests: Research interests are quite numerous, reflecting the varied areas epidemiologists may work in. Specific areas include the epidemiology of vaccine preventable diseases and other infectious diseases, perinatal epidemiology, especially the area of breastfeeding, maternal and child health, physical activity, nutrition, obesity, the impact of the environment on health, and decision aids. I am particularly interested in practical, applied epidemiology and workplace-based learning.

See my full list of publications at Google Scholar (link at bottom of page)

Broad Research Areas:
Epidemiology, Maternal and Child Health, Vaccine Preventable Diseases and other Infectious Diseases, Population Health, Preventive Medicine, Obesity

Qualifications:
BAppSc, GradDipHSc (Epi & Biostats), MAppEpid, PhD

PhD/DrPH student supervision

PhD candidates:

Vanessa Shrewsbury. Associate supervisor. Thesis title: ‘Management of overweight and obesity in adolescents and the role of parents’. PhD awarded 2011.

Jasim Anwar. Co-supervisor. Topic: 'Maternal and Perinatal Mortality and Morbidity Surveillance System: A systematic approach for applying neonatal interventions.’

DrPH candidates:

Louise Maher. Primary supervisor. Thesis title: Applied Professional Practice in Public Health: Promoting Equitable Health Services Delivery Through Evaluation and Research. Louise also received the Dean’s Award for outstanding research. DrPH awarded 2013.
Praveena Gunaratnam. Primary supervisor. Thesis title: Challenges and Opportunities in Evidence Based Public Health. DrPH awarded 2015.
Erin Passmore. Joint primary supervisor. Thesis title: Research and evaluation to inform public health practice. DrPH awarded 2015.
Belinda Crawford. Primary supervisor. Thesis title: Public health research in disadvantaged populations: a focus on food and housing. DrPH awarded March 2017. Belinda was awarded the School of Public Health and Community Medicine award for best DrPH thesis.

Alexis Zander. Co-supervisor. Thesis title: Applied Public Health Research in New South Wales. DrPH awarded 2015.
Evan Freeman. Co-supervisor. Thesis title: Evidence Informed Public Health Policy and Practice. DrPH awarded 2014.
Nicola Scott. Co-supervisor. Thesis title: Informing Public Health Policy and Practice in Populations with Diverse Needs. DrPH awarded 2015.
Emma Quinn.Co-supervisor. Thesis title: Improving the health of vulnerable groups: addressing health inequities through applied public health research. DrPH awarded 2015.
Henning Liljeqvist. Co-supervisor. Thesis title: Strengthening Public Health Emergency Preparedness and Enhancing Surveillance. DrPH awarded 2015.
Emma Field. Co-supervisor. Thesis title: Monitoring and evaluation of health system support and strengthening programs in Papua New Guinea. Submitted June 2018
Erin Sparrow. Co-supervisor. Enrolled in DrPH in 2014. Thesis title: Monoclonal antibodies against infectious diseases: a potential solution for rare diseases, replacement of blood-derived immunoglobulins, emerging infections and anti-microbial resistance.

Society Memberships & Professional Activities:
Australasian Epidemiology Association (AEA). Member since 1996. Student representative 1998-2001. Membership secretary 2010-2014. Vice president 2012-2014.

International Epidemiology Association (IEA). Member

Public Health Association of Australia (PHAA). member since 1996.

Specific Research Keywords:
Epidemiology, Public Health, Maternal and Child Health, Preventative Medicine, Vaccine preventable diseases, Surveillance,

Research

Field of Research (FOR) Tag :

Epidemiology

Infectious Diseases

Community Child Health

Preventive Medicine

Media

LinkedIn :

https://www.linkedin.com/pub/siranda-torvaldsen/36/781/806

Publications related to this Person

Book Chapters

Roberts CL; Torvaldsen S; Bell JC; Raynes-Greenow CH, 2003, 'Discontinuation of epidural analgesia late in labour for reducing the adverse delivery outcomes associated with epidural analgesia', in , John Wiley & Sons, Ltd, http://dx.doi.org/10.1002/14651858.cd004457

Journal articles

Gugusheff J; Patterson J; Torvaldsen S; Ibiebele I; Nippita T, 2021, '618Is mode of first birth a risk factor for subsequent preterm birth?', International Journal of Epidemiology, vol. 50, http://dx.doi.org/10.1093/ije/dyab168.301

Owen KB; Ibiebele I; Simpson JM; Morton RL; Morris JM; Torvaldsen S, 2021, 'Comparison of costs related to infant hospitalisations for spontaneous, induced and Caesarean births: Population-based cohort study', Australian Health Review, vol. 45, pp. 418 - 424, http://dx.doi.org/10.1071/AH20237

Austin K; Seeho S; Ibiebele I; Ford J; Morris J; Torvaldsen S, 2021, 'Pregnancy outcomes for women with a history of stroke: A population-based record linkage study', Australian and New Zealand Journal of Obstetrics and Gynaecology, vol. 61, pp. 239 - 243, http://dx.doi.org/10.1111/ajo.13267

Baldwin HJ; Nippita TA; Rickard K; Torvaldsen S; McGee TM; Patterson JA, 2021, 'Reporting of gestational diabetes and other maternal medical conditions: Validation of routinely collected hospital data from New South Wales, Australia', International Journal of Population Data Science, vol. 6, http://dx.doi.org/10.23889/IJPDS.V6I1.1381

Gugusheff J; Patterson J; Torvaldsen S; Ibiebele I; Nippita T, 2021, 'Is mode of first birth a risk factor for subsequent preterm birth?', Australian and New Zealand Journal of Obstetrics and Gynaecology, vol. 61, pp. 86 - 93, http://dx.doi.org/10.1111/ajo.13234

Ibiebele I; Nippita TA; Baber R; Torvaldsen S, 2021, 'A study of pregnancy after endometrial ablation using linked population data', Acta Obstetricia et Gynecologica Scandinavica, vol. 100, pp. 286 - 293, http://dx.doi.org/10.1111/aogs.14002

Berman Y; Ibiebele I; Randall D; Torvaldsen S; Nippita TA; Bowen J; Baldwin HJ; Todd SM; Morris JM; Ford JB; Patterson JA, 2021, 'Rates of neonatal morbidity by maternal region of birth and gestational age in New South Wales, Australia 2003-2016', Acta Obstetricia et Gynecologica Scandinavica, vol. 100, pp. 331 - 338, http://dx.doi.org/10.1111/aogs.14012

Sparrow E; Wood JG; Chadwick C; Newall AT; Torvaldsen S; Moen A; Torelli G, 2021, 'Global production capacity of seasonal and pandemic influenza vaccines in 2019', Vaccine, vol. 39, pp. 512 - 520, http://dx.doi.org/10.1016/j.vaccine.2020.12.018

Patterson JA; Torvaldsen S; Nippita TA; Ford JB; Morris JM, 2020, 'Determining a strategy to reduce smoking in pregnancy', Australian and New Zealand Journal of Obstetrics and Gynaecology, vol. 60, pp. 935 - 941, http://dx.doi.org/10.1111/ajo.13205

Baldwin HJ; Nippita TA; Torvaldsen S; Ibiebele I; Ford JB; Patterson JA, 2020, 'Outcomes of Subsequent Births After Placenta Accreta Spectrum', Obstetrics and gynecology, vol. 136, pp. 745 - 755, http://dx.doi.org/10.1097/AOG.0000000000004051

Ibiebele I; Humphries JB; Torvaldsen S; Ford JB; Morris JM; Bowen JR; Randall DA, 2020, 'Gestational age, morbidity and mortality among twin births in New South Wales, Australia 2003–2014: A cohort study', Australian and New Zealand Journal of Obstetrics and Gynaecology, vol. 60, pp. 541 - 547, http://dx.doi.org/10.1111/ajo.13101

Berman Y; Ibiebele I; Patterson JA; Randall D; Ford JB; Nippita T; Morris JM; Davies-Tuck ML; Torvaldsen S, 2020, 'Rates of stillbirth by maternal region of birth and gestational age in New South Wales, Australia 2004–2015', Australian and New Zealand Journal of Obstetrics and Gynaecology, vol. 60, pp. 425 - 432, http://dx.doi.org/10.1111/ajo.13085

Ibiebele I; Gallimore F; Schnitzler M; Torvaldsen S; Ford JB, 2020, 'Perinatal outcomes following bariatric surgery between a first and second pregnancy: a population data linkage study', BJOG: An International Journal of Obstetrics and Gynaecology, vol. 127, pp. 345 - 354, http://dx.doi.org/10.1111/1471-0528.15993

Todd S; Bowen J; Ibiebele I; Patterson J; Torvaldsen S; Ford J; Nippita T; Morris J; Randall D, 2020, 'A composite neonatal adverse outcome indicator using population-based data: An update', International Journal of Population Data Science, vol. 5, http://dx.doi.org/10.23889/IJPDS.V5I1.1337

Ibiebele I; Gallimore F; Schnitzler M; Torvaldsen S; Ford JB, 2020, 'Perinatal Outcomes Following Bariatric Surgery Between a First and Second Pregnancy: A Population Data Linkage Study', Obstetric Anesthesia Digest, vol. 40, pp. 179 - 179, http://dx.doi.org/10.1097/01.aoa.0000719476.34610.63

McInerney C; Ibiebele I; Ford JB; Randall D; Morris JM; Meharg D; Mitchell J; Milat A; Torvaldsen S, 2019, 'Benefits of not smoking during pregnancy for Australian Aboriginal and Torres Strait Islander women and their babies: A retrospective cohort study using linked data', BMJ Open, vol. 9, pp. e032763, http://dx.doi.org/10.1136/bmjopen-2019-032763

Pont S; Austin K; Ibiebele I; Torvaldsen S; Patterson J; Ford J, 2019, 'Response to ‘Postpartum hemorrhage and blood transfusion among parturients with scarred uterus—the evidence is there’', Acta Obstetricia et Gynecologica Scandinavica, vol. 98, pp. 536 - 537, http://dx.doi.org/10.1111/aogs.13531

Pont S; Austin K; Ibiebele I; Torvaldsen S; Patterson J; Ford J, 2019, 'Blood transfusion following intended vaginal birth after cesarean vs elective repeat cesarean section in women with a prior primary cesarean: A population-based record linkage study', Acta Obstetricia et Gynecologica Scandinavica, vol. 98, pp. 382 - 389, http://dx.doi.org/10.1111/aogs.13504

Pont S; Austin K; Ibiebele I; Torvaldsen S; Patterson J; Ford J, 2019, 'Blood Transfusion Following Intended Vaginal Birth After Cesarean Versus Elective Repeat Cesarean Section in Women With a Prior Primary Cesarean: A Population‐based Record Linkage Study', Obstetric Anesthesia Digest, vol. 39, pp. 189 - 190, http://dx.doi.org/10.1097/01.aoa.0000603680.30791.46

Anwar J; Torvaldsen S; Sheikh M; Taylor R, 2018, 'Completeness of a Maternal and Perinatal Mortality Enhanced Surveillance System in Pakistan: Evidence from Capture–Recapture Methods', Maternal and Child Health Journal, vol. 22, pp. 1743 - 1750, http://dx.doi.org/10.1007/s10995-018-2571-5

Anwar J; Torvaldsen S; Sheikh M; Taylor R, 2018, 'Under-estimation of maternal and perinatal mortality revealed by an enhanced surveillance system: Enumerating all births and deaths in Pakistan', BMC Public Health, vol. 18, http://dx.doi.org/10.1186/s12889-018-5363-3

Gillies MB; Bowen JR; Patterson JA; Roberts CL; Torvaldsen S, 2018, 'Educational outcomes for children with cerebral palsy: a linked data cohort study', Developmental Medicine and Child Neurology, vol. 60, pp. 397 - 401, http://dx.doi.org/10.1111/dmcn.13651

Baldwin HJ; Patterson JA; Nippita TA; Torvaldsen S; Ibiebele I; Simpson JM; Ford JB, 2018, 'Antecedents of abnormally invasive placenta in primiparous women: Risk associated with gynecologic procedures', Obstetrics and Gynecology, vol. 131, pp. 227 - 233, http://dx.doi.org/10.1097/AOG.0000000000002434

Crawford B; Byun R; Mitchell E; Thompson S; Jalaludin B; Torvaldsen S, 2018, 'Seeking fresh food and supporting local producers: perceptions and motivations of farmers’ market customers', Australian Planner, vol. 55, pp. 28 - 35, http://dx.doi.org/10.1080/07293682.2018.1499668

Sparrow E; Torvaldsen S; Newall A; Wood JG; Sheikh M, 2018, 'Recent advances in the development of monoclonal antibodies for rabies post exposure prophylaxis: A review of the current status of the clinical development pipeline', Vaccine, pp. 1 - 8, http://dx.doi.org/10.1016/j.vaccine.2018.11.004

Baldwin HJ; Patterson JA; Nippita TA; Torvaldsen S; Ibiebele I; Simpson JM; Ford JB, 2018, 'Maternal and Neonatal Outcomes Following Abnormally Invasive Placenta: A Population-based Record Linkage Study', Obstetric Anesthesia Digest, vol. 38, pp. 123 - 124, http://dx.doi.org/10.1097/01.aoa.0000542339.51514.c8

Crawford B; Byun R; Mitchell E; Thompson S; Jalaludin B; Torvaldsen S, 2017, 'Socioeconomic differences in the cost, availability and quality of healthy food in Sydney', Australian and New Zealand Journal of Public Health, vol. 41, pp. 567 - 571, http://dx.doi.org/10.1111/1753-6405.12694

Baldwin HJ; Patterson JA; Nippita TA; Torvaldsen S; Ibiebele I; Simpson JM; Ford JB, 2017, 'Maternal and neonatal outcomes following abnormally invasive placenta: a population-based record linkage study', Acta Obstetricia et Gynecologica Scandinavica, vol. 96, pp. 1373 - 1381, http://dx.doi.org/10.1111/aogs.13201

Roberts CL; Wagland P; Torvaldsen S; Bowen JR; Bentley JP; Morris JM, 2017, 'Childhood outcomes following preterm prelabor rupture of the membranes (PPROM): A population-based record linkage cohort study', Journal of Perinatology, vol. 37, pp. 1230 - 1235, http://dx.doi.org/10.1038/jp.2017.123

Sparrow E; Friede M; Sheikh M; Torvaldsen S, 2017, 'Therapeutic antibodies for infectious diseases', Bulletin of the World Health Organization, vol. 95, pp. 235 - 237, http://dx.doi.org/10.2471/BLT.16.178061

Morris J; Wagland P; Torvaldsen S; Bentley J; Bowen J; Roberts C, 2017, '531: Preterm prelabor rupture of the membranes (PPROM) and childhood health and educational outcomes', American Journal of Obstetrics and Gynecology, vol. 216, pp. S313 - S313, http://dx.doi.org/10.1016/j.ajog.2016.11.266

Sparrow E; Friede M; Sheikh M; Torvaldsen S; Newall AT, 2016, 'Passive immunization for influenza through antibody therapies, a review of the pipeline, challenges and potential applications', Vaccine, vol. 34, pp. 5442 - 5448, http://dx.doi.org/10.1016/j.vaccine.2016.08.057

Crawford B; Yamazaki R; Franke E; Amanatidis S; Ravulo J; Torvaldsen S, 2015, 'Is something better than nothing? Food insecurity and eating patterns of young people experiencing homelessness', Australian and New Zealand Journal of Public Health, vol. 39, pp. 350 - 354, http://dx.doi.org/10.1111/1753-6405.12371

Crawford B; Yamazaki R; Franke E; Amanatidis S; Ravulo J; Steinbeck K; Ritchie J; Torvaldsen S, 2014, 'Sustaining dignity? Food insecurity in homeless young people in urban Australia', Health Promotion Journal of Australia, vol. 25, pp. 71 - 78, http://dx.doi.org/10.1071/HE13090

Maher L; Dawson A; Wiley K; Hope K; Torvaldsen S; Lawrence G; Conaty S, 2014, 'Influenza vaccination during pregnancy: A qualitative study of the knowledge, attitudes, beliefs, and practices of general practitioners in Central and South-Western Sydney', BMC Family Practice, vol. 15, http://dx.doi.org/10.1186/1471-2296-15-102

Freeman E; Lawrence G; McAnulty J; Tobin S; MacIntyre CR; Torvaldsen S, 2014, 'Field effectiveness of hepatitis A vaccine and uptake of post exposure prophylaxis following a change to the Australian guidelines', Vaccine, vol. 32, pp. 5509 - 5513, http://dx.doi.org/10.1016/j.vaccine.2014.07.048

Joshi C; Torvaldsen S; Hodgson R; Hayen A, 2014, 'Factors associated with the use and quality of antenatal care in Nepal: a population-based study using the demographic and health survey data', BMC Pregnancy & Childbirth, vol. 14, pp. 94 - 94, http://dx.doi.org/10.1186/1471-2393-14-94

Gunaratnam P; Massey P; Durrheim D; Torvaldsen S, 2013, 'Invasive meningococcal disease in elderly people, New South Wales, Australia, 1993 to 2012', Western Pacific Surveillance and Response Journal, vol. 4, pp. 4 - 10, http://dx.doi.org/10.5365/wpsar.2013.4.4.001

Nguyen B; Shrewsbury VA; O'Connor J; Steinbeck KS; Hill AJ; Shah S; Kohn MR; Torvaldsen S; Baur LA, 2013, 'Two-year outcomes of an adjunctive telephone coaching and electronic contact intervention for adolescent weight-loss maintenance: The Loozit randomized controlled trial', International Journal of Obesity, vol. 37, pp. 468 - 472, http://dx.doi.org/10.1038/ijo.2012.74

Crawford B; Rissel C; Yamazaki R; Franke E; Amanatidis S; Ravulo J; Bindon J; Torvaldsen S, 2013, 'It's good to have wheels!: Perceptions of cycling among homeless young people in Sydney, Australia', Youth Studies Australia, vol. 31, pp. 55 - 63

Maher L; Hope K; Torvaldsen S; Lawrence G; Dawson A; Wiley K; Thomson D; Hayen A; Conaty S, 2013, 'Influenza vaccination during pregnancy: Coverage rates and influencing factors in two urban districts in Sydney', Vaccine, vol. 31, pp. 5557 - 5564, http://dx.doi.org/10.1016/j.vaccine.2013.08.081

Gunaratnam P; Sestakova L; Smith M; Torvaldsen S, 2013, 'Evaluation of a multilingual oral health DVD for newly arrived refugees', Health Promotion Journal of Australia, vol. 24, pp. 159 - 159, http://dx.doi.org/10.1071/HE13070

Freeman EJ; Torvaldsen S; Capon A; Lawrence GL, 2013, 'Trends in notifiable blood lead levels in NSW, 1998-2008.', New South Wales public health bulletin, vol. 23, pp. 228 - 233

Gunaratnam P; Furlong C; Hope K; Gupta L; Shadbolt C; Shields J; McCarthy R; Boyd R; Huhtinen E; Norton S; Torvaldsen S, 2012, 'Use of a prohibition order after a large outbreak of gastroenteritis caused by norovirus among function attendees', WESTERN PACIFIC SURVEILLANCE AND RESPONSE, vol. 3, pp. 10 - 15, http://dx.doi.org/10.5365/wpsar.2012.3.1.008

Torvaldsen S; Roberts CL, 2012, 'No increased risk of caesarean or instrumental delivery for nulliparous women who have epidural analgesia early in (term) labour', Evidence-Based Medicine, vol. 17, pp. 21 - 22, http://dx.doi.org/10.1136/ebm-2011-100092

Nguyen B; Shrewsbury VA; O'Connor J; Steinbeck KS; Lee A; Hill AJ; Shah S; Kohn MR; Torvaldsen S; Baur LA, 2012, 'Twelve-month outcomes of the loozit randomized controlled trial: A community-based healthy lifestyle program for overweight and obese adolescents', Archives of Pediatrics and Adolescent Medicine, vol. 166, pp. 170 - 177, http://dx.doi.org/10.1001/archpediatrics.2011.841

Maher L; Phelan C; Lawrence GL; Dawson A; Torvaldsen S; Wright C, 2012, 'The Early Childhood Oral Health Program: promoting prevention and timely intervention of early childhood caries in NSW through shared care', Health Promotion Journal of Australia, vol. 23, pp. 171 - 176, http://dx.doi.org/10.1071/HE12171

Shrewsbury VA; Garnett S; Campbell K; Carver A; Torvaldsen S; Steinbeck KS; Cowell CT; Baur LA, 2012, 'Maternal Misconceptions of Weight Status among Nepean Adolescents', Journal of the Academy of Nutrition and Dietetics, vol. 112, pp. 2007 - 2013, http://dx.doi.org/10.1016/j.jand.2012.08.024

Freeman E; Torvaldsen S; Tobin S; Lawrence GL; MacIntyre CR, 2012, 'Trends and risk factors for hepatitis A in NSW, 2000-2009: the trouble with travel', NSW Public Health Bulletin, vol. 23, pp. 153 - 157, http://dx.doi.org/10.1071/NB11036

Maher L; Brown AJ; Torvaldsen S; Dawson AJ; Patterson J; Lawrence GL, 2012, 'Eye health services for Aboriginal people in the western region of NSW, 2010', NSW Public Health Bulletin, vol. 23, pp. 81 - 86, http://dx.doi.org/10.1071/NB11050

Nguyen B; Shrewsbury V; O’Connor J; Steinbeck K; Hill A; Shah S; Kohn M; Torvaldsen S; Baur L, 2012, 'Two-year outcomes of an extended adolescent weight-loss maintenance intervention involving novel additional therapeutic contact: The Loozit® randomised controlled trial', Obesity Research & Clinical Practice, vol. 6, pp. 38 - 39, http://dx.doi.org/10.1016/j.orcp.2012.08.079

Shrewsbury VA; Nguyen B; O'Connor J; Steinbeck KS; Lee A; Hill A; Shah S; Kohn M; Torvaldsen S; Baur LA, 2011, 'Short-term outcomes of community-based adolescent weight management: The Loozit© Study', BMC Pediatrics, vol. 11, pp. 1 - 10, http://dx.doi.org/10.1186/1471-2431-11-13

Polkinghorne B; Muscatello D; MacIntyre CR; Lawrence GL; Middleton PM; Torvaldsen S, 2011, 'Relationship between the population incidence of febrile convulsions in young children in Sydney, Australia and seasonal epidemics of influenza and respiratory syncytial virus, 2003-2010: a time series analysis', BMC Infectious Diseases, vol. 11, pp. 1 - 10, http://dx.doi.org/10.1186/1471-2334-11-291

Shrewsbury VA; Steinbeck KS; Torvaldsen S; Baur LA, 2011, 'The role of parents in pre-adolescent and adolescent overweight and obesity treatment: a systematic review of clinical recommendations', Obesity Reviews, vol. 12, pp. 759 - 769, http://dx.doi.org/10.1111/j.1467-789X.2011.00882.x

Liljeqvist G; Staff M; Puech M; Blom H; Torvaldsen S, 2011, 'Automated data extraction from general practice records in an Australian setting: trends in influenza-like illness in sentinel general practices and emergency departments', BMC Public Health, vol. 11, pp. 1 - 7, http://dx.doi.org/10.1186/1471-2458-11-435

Raynes-Greenow CH; Nassar N; Torvaldsen S; Trevena L; Roberts CL, 2010, 'Assisting informed decision making for labour analgesia: A randomised controlled trial of a decision aid for labour analgesia versus a pamphlet', BMC Pregnancy and Childbirth, vol. 10, http://dx.doi.org/10.1186/1471-2393-10-15

Shrewsbury VA; O'Connor J; Steinbeck KS; Stevenson K; Lee A; Hill AJ; Kohn MR; Shah S; Torvaldsen S; Baur LA, 2009, 'A randomised controlled trial of a community-based healthy lifestyle program for overweight and obese adolescents: The Loozit® study protocol', BMC Public Health, vol. 9, http://dx.doi.org/10.1186/1471-2458-9-119

Brotherton J; Wang H; Schaffer A; Quinn H; Menzies R; Hull B; Lawrence GL; Wood J; Wood N; Rosewell A; Newall AT; MacIntyre CR; Macartney K; Gidding HF; McIntyre P; Booy R, 2007, 'Vaccine preventable diseases and vaccination coverage in Australia, 2003 to 2005', Annual report of the Australian Meningococcal Surveillance Programme, 2007--Amended, vol. 31, pp. S1 - S152

Torvaldsen S; Roberts CL; Simpson JM; Thompson JF; Ellwood DA, 2006, 'Intrapartum epidural analgesia and breastfeeding: A prospective cohort study', International Breastfeeding Journal, vol. 1, http://dx.doi.org/10.1186/1746-4358-1-24

Roberts CL; Algert CS; Cameron CA; Torvaldsen S, 2005, 'A meta-analysis of upright positions in the second stage to reduce instrumental deliveries in women with epidural analgesia', Acta Obstetricia et Gynecologica Scandinavica, vol. 84, pp. 794 - 798, http://dx.doi.org/10.1111/j.0001-6349.2005.00786.x

Cagney M; MacIntyre CR; Torvaldsen S; McIntyre P, 2005, 'Cough symptoms in children aged 5-14 years in Sydney, Australia: nonspecific cough or unrecognised pertussis?', Respirology, vol. 10, pp. 359 - 364, http://dx.doi.org/10.1111/j.1440-1843.2005.00722.x

Roberts CL; Torvaldsen S; Cameron CA; Olive E, 2004, 'Delayed versus pushing in women with epidural analgesia: A systematic review and meta-analysis', BJOG: An International Journal of Obstetrics and Gynaecology, vol. 111, pp. 1333 - 1340, http://dx.doi.org/10.1111/j.1471-0528.2004.00282.x

Torvaldsen S; Roberts CL; Bell JC; Raynes-Greenow CH, 2004, 'Discontinuation of epidural analgesia late in labour for reducing the adverse delivery outcomes associated with epidural analgesia', Cochrane Database of Systematic Reviews, vol. 2010, http://dx.doi.org/10.1002/14651858.CD004457.pub2

Torvaldsen S; McIntyre PB, 2003, 'Effect of the preschool pertussis booster on national notifications of disease in Australia', Pediatric Infectious Disease Journal, vol. 22, pp. 956 - 959, http://dx.doi.org/10.1097/01.inf.0000095198.75170.b6

Torvaldsen S; Simpson JM; McIntyre PB, 2003, 'Effectiveness of pertussis vaccination in New South Wales, Australia, 1996-1998', European Journal of Epidemiology, vol. 18, pp. 63 - 69, http://dx.doi.org/10.1023/A:1022588118030

Torvaldsen S; McIntyre P, 2003, 'Do variations in pertussis notifications reflect incidence or surveillance practices? A comparison of infant notification rates and hospitalisation data in NSW.', New South Wales public health bulletin, vol. 14, pp. 81 - 84, http://dx.doi.org/10.1071/nb03025

Torvaldsen S; Hull BP; McIntyre PB, 2002, 'Using the Australian Childhood Immunisation Register to track the transition from whole-cell to acellular pertussis vaccines.', Communicable diseases intelligence, vol. 26, pp. 581 - 583

Torvaldsen S; McIntyre PB, 2002, 'Observational methods in epidemiologic assessment of vaccine effectiveness.', Communicable diseases intelligence, vol. 26, pp. 451 - 457

McIntyre P; Amin J; Gidding H; Hull B; Torvaldsen S; Tucker A; Turnbull F; Burgess M, 2000, 'Vaccine preventable diseases and vaccination coverage in Australia, 1993-1998.', Communicable diseases intelligence, vol. 24, pp. 276 - 277

McIntyre P; Amin J; Gidding H; Hull B; Torvaldsen S; Tucker A; Turnbull F; Burgess M, 2000, 'Vaccine preventable diseases and vaccination coverage in Australia, 1993-1998.', Commun Dis Intell, vol. Suppl, pp. v - 83, https://www.ncbi.nlm.nih.gov/pubmed/12049363

Torvaldsen S; Roberts C; Riley TV, 1999, 'The continuing evolution of methicillin-resistant staphylococcus aureus in Western Australia', Infection Control and Hospital Epidemiology, vol. 20, pp. 133 - 135, http://dx.doi.org/10.1086/501594

Torvaldsen S; Kurinczuk JJ; Bower C; Parsons DE; Roberts CL, 1999, 'Listeria awareness among new mothers in Western Australia', Australian and New Zealand Journal of Public Health, vol. 23, pp. 362 - 367, http://dx.doi.org/10.1111/j.1467-842X.1999.tb01276.x

O'Brien E; D'Souza R; Gilroy N; Burgess M; Lister S; McIntyre P; Torvaldsen S; Moser K; Milton A, 1999, 'Australia's notifiable diseases status, 1997. Annual report of the National Notifiable Diseases Surveillance System.', Communicable diseases intelligence, vol. 23, pp. 1 - 27

Torvaldsen S; Watson T, 1998, 'Rabies prophylaxis in Western Australia: the impact of Australian bat lyssavirus.', Communicable diseases intelligence, vol. 22, pp. 149 - 152

Conference Papers

McInerney C; Ibiebele I; Torvaldsen S; Ford JB; Morris JM; Nelson M; Randall D, 2020, 'Defining a study population using enhanced reporting of Aboriginality and the effects on study outcomes', in International Journal of Population Data Science, http://dx.doi.org/10.23889/ijpds.v5i1.1114

Conference Presentations

Torvaldsen S; Meyer L; MacIntyre R; Davis S; Viney K; Marshall K, 2015, 'The benefits and challenges of workplace-based postgraduate public health education in Australia', Hobart, presented at CAPHIA 2015 Public Health Learning and Teaching Forum, Hobart, 10 September 2015 - 11 September 2015

School of Population Health

Associate Professor Siranda Torvaldsen

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School of Population Health

Associate Professor Siranda Torvaldsen

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