Understanding how dental attendance evolves throughout life can inform targeted preventive health care policies by identifying key moments when people are more or less likely to seek dental care. Trajectory modeling of age and time trajectories takes a life course approach to understanding dental attendance, offering insights into both developmental perspectives (e.g.
View Article and Find Full Text PDFJDR Clin Trans Res
February 2025
Introduction: Oral health care impacts of unemployment are not well understood. This is particularly important as many people, even in high-income countries, lack publicly funded oral health care, creating a financial burden for working-age individuals. This study aims to investigate the short-term effect of becoming unemployed on affordability of oral health care among working-age Australian adults.
View Article and Find Full Text PDFBackground: The TARGET Protein trial will evaluate the effect of greater enteral protein delivery (augmented protein) on clinical outcomes of critically ill adult patients when compared to usual care.
Objective: To describe the statistical analysis plan for the TARGET Protein trial.
Methods: TARGET Protein is a cluster randomized, cross-sectional, double cross-over, open-label, registry-embedded, pragmatic clinical trial conducted across Australia and New Zealand.
Objectives: The interrupted time series (ITS) design is commonly used to investigate the impact of an intervention or exposure in public health. There are many statistical methods that can be used to analyse ITS data and to meta-analyse their results. We undertook two empirical studies to investigate: (i) how effect estimates (and associated statistics) compared when six statistical methods were applied to 190 real-world datasets; and (ii) how meta-analysis effect estimates (and associated statistics) compared when the combinations of two ITS analysis methods and five meta-analysis methods were applied to 17 real-world meta-analyses including 283 ITS datasets.
View Article and Find Full Text PDFBackground: Higher concentration of insulin-like growth factor-1 (IGF-1) increases postmenopausal breast cancer risk, but evidence for insulin and c-peptide is limited. Further, not all studies have accounted for potential confounding by biomarkers from other biological pathways, and not all were restricted to estrogen receptor (ER)-positive breast cancer.
Methods: This was a case-cohort study of 1,223 postmenopausal women (347 with ER-positive breast cancer) from the Melbourne Collaborative Cohort Study.
Background: Advanced age is an independent risk factor for poor outcomes following aneurysmal subarachnoid haemorrhage (SAH). However, Australian data are lacking. Our aim was to evaluate outcomes for older patients admitted to an Australian intensive care unit for management of aneurysmal SAH.
View Article and Find Full Text PDFObjectives: In research evaluating statistical analysis methods, a common aim is to compare point estimates and CIs calculated from different analyses. This can be challenging when the outcomes (and their scale ranges) differ across datasets. We therefore developed a graphical method, the "Banksia plot", to facilitate pairwise comparisons of different statistical analysis methods by plotting and comparing point estimates and CIs from each analysis method, both within and across datasets.
View Article and Find Full Text PDFBackground: Depression is more common in people with multiple sclerosis (MS) compared to the general population. While many interventions are available for treating depressive symptoms in people with MS, it is unclear how different intervention modalities compare. This systematic review aimed to compare the reported effectiveness, safety, and tolerability of interventions for treating depressive symptoms in people with MS.
View Article and Find Full Text PDFBackground: Social disadvantage leads to dental caries during childhood.
Aim: This study investigated whether dental caries occur earlier in children from households experiencing social disadvantage than those not experiencing social disadvantage.
Design: The overall risk of, and relative time to, early childhood caries (ECC) according to sociodemographic characteristics in Victoria, Australia, was quantified.
Objective: Primary care practitioners are crucial to engaging people in Australia's national cervical screening program. From July 2022, practitioners have been able to offer all screen-eligible people the choice to collect their own self-collected sample; an option introduced to increase equity. This study explored how practitioners are intending to incorporate universal access to self-collection into their clinical care.
View Article and Find Full Text PDFObjectives: Hypophosphatemia occurs frequently. Enteral, rather than IV, phosphate replacement may reduce fluid replacement, cost, and waste.
Design: Prospective, randomized, parallel group, noninferiority clinical trial.
Background: During critical illness skeletal muscle wasting occurs rapidly. Although beta-hydroxy-beta-methylbutyrate (HMB) is a potential treatment to attenuate this process, the plasma appearance and muscle concentration is uncertain.
Methods: This was an exploratory study nested within a blinded, parallel group, randomized clinical trial in which critically ill patients after trauma received enteral HMB (3 g daily) or placebo.
Background: Guidelines recommend prioritizing protein provision while avoiding excessive energy delivery to critically ill patients with coronavirus disease 2019 (COVID-19), but there are no prospective studies evaluating such a targeted approach in this group. We aimed to evaluate the effect of a "higher-protein formula protocol" on protein, energy, and volume delivery when compared with standard nutrition protocol.
Methods: This was a retrospective cohort study of adult patients with COVID-19 who received mechanical ventilation for >72 h and enteral nutrition.
Purpose: Sex-steroid hormones are associated with postmenopausal breast cancer but potential confounding from other biological pathways is rarely considered. We estimated risk ratios for sex-steroid hormone biomarkers in relation to postmenopausal estrogen receptor (ER)-positive breast cancer, while accounting for biomarkers from insulin/insulin-like growth factor-signaling and inflammatory pathways.
Methods: This analysis included 1208 women from a case-cohort study of postmenopausal breast cancer within the Melbourne Collaborative Cohort Study.
Background: The Interrupted Time Series (ITS) is a robust design for evaluating public health and policy interventions or exposures when randomisation may be infeasible. Several statistical methods are available for the analysis and meta-analysis of ITS studies. We sought to empirically compare available methods when applied to real-world ITS data.
View Article and Find Full Text PDFObjective: To investigate the impact of age and parity on the experience on relief and regret following elective hysterectomy for benign disease, and to explore the factors that impact relief and regret.
Design: Retrospective cross-sectional survey of a cohort.
Setting: Single-centre tertiary hospital in Melbourne, Australia.
Background: In areas co-endemic for Plasmodium vivax and Plasmodium falciparum there is an increased risk of P vivax parasitaemia following P falciparum malaria. Radical cure is currently only recommended for patients presenting with P vivax malaria. Expanding the indication for radical cure to patients presenting with P falciparum malaria could reduce their risk of subsequent P vivax parasitaemia.
View Article and Find Full Text PDFPurpose: Sex-steroid hormones are associated with postmenopausal breast cancer but potential confounding from other biological pathways is rarely considered. We estimated risk ratios for sex-steroid hormone biomarkers in relation to postmenopausal estrogen receptor (ER)-positive breast cancer, while accounting for biomarkers from insulin/insulin-like growth factor-signaling and inflammatory pathways.
Methods: This analysis included 1,208 women from a case-cohort study of postmenopausal breast cancer within the Melbourne Collaborative Cohort Study.