Caesarean birth trends in South Australia: 1985 - 2007.
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Date
2013
Authors
Coxell, Judith
Editors
Advisors
Hugo, Graeme John
Rudd, Dianne M.
Rudd, Dianne M.
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Thesis
Citation
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Abstract
The aim of this study was to find the reasons for the increase of caesarean birth in South Australia between 1985 and 2007, during which the caesarean rate increased from 18 per cent to 33 per cent. In South Australia between 1985 and 2007, 108 941 women gave birth by caesarean section, of which 48 056 women delivered a baby by elective caesarean and 60 885 women gave birth by emergency caesarean. The study database consisted of de-identified birth details of 434 682 women and their babies from the mandatory collection of public and private hospital mothers who gave birth in South Australia between 1985 and 2007. Between 1991 and 2007, 37 376 private patients gave birth by caesarean section (18 227 elective and 18 494 emergency) and 47 916 public patients gave birth by caesarean section (19 149 elective and 45 571 emergency caesarean births). The public patient caesarean birth rate increased from 19 per cent in 1991 to 28 per cent in 2007 and the private patient caesarean birth rate increased from 26 per cent in 1991 to 42 per cent in 2007. This thesis investigates caesarean birth data under three main areas: place of birth (for example, regional or metropolitan hospitals; public or private hospitals); demographic characteristics of mothers who gave birth (for example, age of mother and occupation of father); and, the relationship between caesarean birth and socio-economic disadvantage (using the Index of Relative Social Disadvantage scores measured from Australian Census data) in the Adelaide Statistical Division. The caesarean rate has increased in both metropolitan and regional hospitals, with a higher caesarean rate in private compared with public hospitals. A first birth by caesarean was more likely to be an emergency followed by further births which were elective caesareans. The median age of women giving birth by caesarean in private hospitals between 1991 and 2007 has increased from 30 to 33 years of age, and, in public hospitals the median age has increased from 27 to 29 years of age. The father’s occupation as tradespersons was associated with the highest rate of caesarean delivery. Women of most socio-economic advantage had a higher rate of caesarean delivery, a lower rate of gestational diabetes and their babies a lower rate of fetal distress, than more disadvantaged women. Previous reasons given for the increase of caesarean birth rates included the increasing age of mothers, changes in private health insurance policy, malpractice claim fears of medical staff, a shortage of eligible midwives, and, the funding case-mix system for hospitals. A recent Commonwealth Government Maternity Services Review recommends the training of more eligible midwives to give mothers a greater choice of birth models of care. The Australian Medical Association has asked for the collection of comparable birth data to assess this change in birthing policy direction.
School/Discipline
School of Social Sciences
Dissertation Note
Thesis (M.A.) -- University of Adelaide, School of Social Sciences, 2013
Provenance
Copyright material removed from digital thesis. See print copy in University of Adelaide Library for full text.