Gina Ogilvie

Professor

Relevant Thesis-Based Degree Programs

 
 

Graduate Student Supervision

Doctoral Student Supervision

Dissertations completed in 2010 or later are listed below. Please note that there is a 6-12 month delay to add the latest dissertations.

Exploring validity evidence of the Sexual Relationship Power Scale to advance sexual and reproductive health among young women and men growing up in Durban and Soweto, South Africa (2022)

Gender inequity and the subsequent health impacts disproportionately affect communities in the Global South. However, most gender equity measures, such as Pulerwitz’ (2000) Sexual Relationship Power (SRP) Scale (SRPS), are developed and validated in the Global North and then applied in Global South settings without investigation of context applicability or validity. Using a collaborative youth-engaged approach, the objectives of this dissertation were to 1) systematically review the literature to identify the ways SRP has been measured and used within sub-Saharan African sexual and reproductive health (SRH) youth studies; 2) explore and compare validity evidence of the SRPS, and 3) explore how gender and power intersect to shape contemporary relationship dynamics of young women and men in South Africa. The literature was synthesized using a systematic review. Psychometric properties of the SRPS were explored using quantitative data from a youth-engaged SRH cohort study AYAZAZI (2014-2017) of 425 participants aged 16-24 from Durban and Soweto, South Africa. From 2019-2021 AYAZAZI participants were re-contacted to participate in qualitative cognitive interviews exploring perceptions of the SRPS and the role of power and control within youth relationships. The review revealed that SRP inequities are commonly associated with experiences (among women) and perpetration (among men) of intimate partner violence, however, limited validity evidence has been presented. Using quantitative data, validity evidence relating to the scale’s internal structure was relatively low. Cognitive interview data highlighted several issues with the scale’s contemporary and contextual relevance and provided youth recommendations for revising the SRPS to validly measure constructs of power inequities in South African youth’s relationships. These data also revealed different strategies and expectations undertaken by young women and men as they navigate intimacy within patriarchal societies and identified key power holders including institutions, parents, and male partners that future youth SRH programs and research must engage with to support discussions and efforts to advance gender equity and SRH at multiple levels of influence. This dissertation makes several contributions to the field of gender equity measurement and youth health and emphasizes the need for measures that reflect the living realities of young people in the Global South.

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Mental and sexual health implications of social networking: a population health case study of geo-social networking among gay and bisexual men in an urban Canadian setting (2013 - 2018) (2022)

A global adoption of social networking applications (apps), such as Facebook, defined the techno-culture that emerged in the decade of 2010. The success of Facebook also catalyzed innovations in other social networking apps, including those that targeted sub-populations of users, such as Grindr, a geo-social networking app adopted by many gay and bisexual men seeking other users for sex and relationships. While an increasing number of studies among general populations of social networking users have reported negative associations between increased frequency and outcomes of mental health, there is limited evidence to characterize this relationship among populations of gay and bisexual men who use Grindr and other similar apps. Therefore, the overall aim of this dissertation is to advance a timely discourse on the relationship between social networking and health that considers a population health case study of gay and bisexual men who use geo-social networking to seek sex and relationships. Findings from this dissertation can inform future research priorities investigating the health of gay and bisexual men who use these apps, and an appropriate clinical and public health response to mitigating any harms of social networking in this population.

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Spatial epidemiological analysis of cancer incidence in British Columbia, Canada (2022)

Background: In British Columbia (BC), geographic variation in cancer risk was reported across large geographic areas and without spatial statistics. More local-based analyses, incorporating spatial statistics are warranted to support regional cancer prevention efforts. Overall, this thesis demonstrates the utility of geospatial approaches to better understand cancer risk in the context of place and geography. After reviewing the literature on Canadian population oncology research that applied geospatial methods (Chapter 2), this thesis demonstrates several geospatial methodologies to explore different research questions, cancer types and settings. Specifically, geospatial methods were used to highlight geographic inequities for a cancer with strong geographic variation (Ch. 3), examine rural-urban differences for a highly preventable cancer (Ch. 4), estimate small area risk (Ch. 5), and explore relationships between environmental exposures and area-level cancer incidence (Ch. 6).Methods: Incident cancers were obtained from the BC Cancer Registry (Ch. 4-6) and cancer registries across eight countries (Ch. 3). Age-standardization was used to derive age-standardized rates and incidence ratios (Ch. 3-6). Spatial data linkage provided levels of urbanization and environmental exposures (Ch 4-6). The Modified Besag, York, and Mollie model was used to estimate small area risk and examine ecologic associations (Ch. 5-6). An R-package was developed for small area risk estimation (Ch. 5).Results: Circumpolar and Indigenous populations experienced elevated stomach cancer incidence rates versus regional counterparts (Ch. 3). Cervical cancer incidence was associated with ethnicity/race and urbanization-level (Ch. 4). Lung cancer risk was estimated among 218 BC Community Health Service Areas and 2357 excess cases were estimated among areas with elevated risk between 2011 and 2018 (Ch. 5). Fine particulate air pollution was associated with an increased lung cancer risk and was modified by area greenness (Ch. 6). Conclusions: This thesis utilizes accessible geospatial approaches that make full use of cancer registry data. Area-level studies alone are not well-suited for causal inference but, combined with other methodologies, offer additional perspectives to better understand cancer risk in the context of place and geography and support localized cancer prevention efforts. These approaches are advance the adoption of geospatial methods in Canadian population oncology research and surveillance.

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Master's Student Supervision

Theses completed in 2010 or later are listed below. Please note that there is a 6-12 month delay to add the latest theses.

The Social Impact of Cervical Cancer on Women and Children in Uganda (2024)

Introduction: Despite being preventable, cervical cancer is the leading cancer with respect to both incidence and mortality among women in East Africa. In Uganda, the mortality rate is nearly six times the global average. There are many indirect social consequences of cervical cancer that affect patients and their families, including changes in support networks, caregiving responsibilities, and school attendance among children. Therefore, this thesis aims to describe and understand the social impacts of a cervical cancer diagnosis and treatment on women in Uganda, and her children, family, and other relationships.Methods: This qualitative analysis is part of a larger mixed-methods cross-sectional study: ASPIRE Generations. Women were recruited using stratified purposeful sampling for a demographically diverse sample. This analysis used an interpretive phenomenological approach. Data analysis followed a modified inductive approach, guided by our research objectives.Results: A total of 24 women participated in the semi-structured interviews. Analysis of the interviews generated 4 major themes: (1) disclosure and changes in relationships, (2) support, (3) loss of work and income, and (4) household impacts. While women had varying experiences, the overall impacts were negative and widespread. Women generally reported that her cervical cancer negatively affected relationships with friends and family, when she chose to disclose her diagnosis. It also had an impact on the entire household, particularly on her caregivers who were often her children. Furthermore, the financial impacts on the household often caused interruptions to children’s education.Discussion: This qualitative analysis demonstrates that there are many social impacts of cervical cancer, for women and others in Uganda. Challenges caused by cervical cancer such as increased financial burden, and loss of work and education often exacerbate one another. Social supports are needed to mitigate the indirect impacts of cervical cancer. Greater resources are needed to support women and their families affected by cervical cancer, and changes must address both structural and sociocultural barriers. These findings contribute evidence to support the Uganda Ministry of Health’s commitment to controlling cervical cancer, and the World Health Organization’s global initiative to eliminating cervical cancer as a public health problem.

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