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Research papers, University of Canterbury Library

The aim of this thesis was to examine the spatial and the temporal patterns of anxiety and chest pain resulting from the Canterbury, New Zealand earthquaeks. Three research objectives were identified: examine any spatial or termporal clusters of anxiety and chest pain; examine the associations between anxiety, chest pain and damage to neighbourhood; and determine any statistically significant difference in counts of anxiety and chest pain after each earthquake or aftershock which resulted in severe damage. Measures of the extent of liquefaction the location of CERA red-zones were used as proxy measures for earthquake damage. Cases of those who presented to Christchurch Public Hospital Emergency Department with either anxiety or chest pain between May 2010 and April 2012 were aggregated to census area unit (CAU) level for analysis. This thesis has taken a unique approach to examining the spatial and spatio-temporal variations of anxiety and chest pain after an earthquake and offers unique results. This is the first study of its kind to use a GIS approach when examining Canterbury specific earthquake damage and health variables at a CAU level after the earthquakes. Through the use of spatio-termporal scan modelling, negative and linear regression modelling and temporal linear modelling with dummy variables this research was able to conclude there are significant spatial and temporal variations in anxiety and chest pain resulting from the earthquakes. The spatio-termporal scan modelling identified a hot cluster of both anxiety and chest pain within Christchurch at the same time the earthquakes occurred. The negative binomial model found liquefaction to be a stronger predictor of anxiety than the Canterbury Earthquake Recovery Authority's (CERA) land zones. The linear regression model foun chest pain to be positively associated with all measures of earthquake damage with the exception of being in the red-zone. The temporal modelling identified a significant increase in anxiety cases one month after a major earthquake, and chest pain cases spiked two weeks after an earthquake and gradually decreased over the following five weeks. This research was limited by lack of control period data, limited measures of earthquake damage, ethical restrictions, and the need for population tracking data. The findings of this research will be useful in the planning and allocation of mental wellbeing resources should another similar event like the Canterbury Earthquakes occur in New Zealand.

Images, Canterbury Museum

One landscape colour digital photograph taken on 26 May 2013 showing the southern cliffs of Godley Head, taken from the middle of the shipping channel. Some earthquake damage to the cliffs is visible. There were several major rock falls along the coastal cliffs near Christchurch and Lyttelton Harbour. At Godley Head these caused damage to the ...

Images, Canterbury Museum

One landscape colour digital photograph taken on 27 May 2013 of London Street in Lyttelton. Taken from Sumner Road looking west across the intersection of London and Oxford Streets. The photograph shows several empty sections and the remaining buildings. The Lyttelton streetscape has changed dramatically from its pre-earthquake appearance and w...

Images, Canterbury Museum

One landscape colour digital photograph taken on 26 May 2013 on the corner of Norwich Quay and Canterbury Street, Lyttelton. The photograph shows the Mitre Hotel surrounded by temporary fencing. Three years after the 2010-2011 earthquakes there are still many uncertainties about which buildings can or will be retained. These buildings, or parts...

Images, Canterbury Museum

One landscape colour digital photograph taken on 26 May 2013 of Lyttelton Main School. The photograph is taken from St Davids Street looking northwest. One of the broader consequences of the 2010-2011 Canterbury earthquakes has been the Ministry of Education’s Shaping Education – Future Direction Review of Schools in the Greater Christchurch Ar...

Other, National Library of New Zealand

After the shock and dust settled from the earthquakes, two friends, Helen Solomons and Wendy Riley, felt so strongly over the loss of the city's historic heart, they decided to put their skills to use and create this living tribute to it on the web.

Images, Canterbury Museum

One landscape colour digital photograph taken on 27 May 2013 of a retaining wall in Sumner Road which was replaced due to earthquake damage. The original wall was created using red volcanic rock. Many walls like this were built using the Hard Labour Gang from the Lyttelton Gaol. The replacement wall has a small section of stone installed to sho...

Images, Canterbury Museum

One landscape colour digital photograph taken on 27 May 2013 of a retaining wall in Sumner Road which was replaced due to earthquake damage. The original wall was created using red volcanic rock. Many walls like this were built using the Hard Labour Gang from the Lyttelton Gaol. The replacement wall has a small section of stone installed to sho...