Related Experiment Video

Updated: Dec 8, 2025

Detecting Behavioral Deficits in Rats After Traumatic Brain Injury

Detecting Behavioral Deficits in Rats After Traumatic Brain Injury

Published on: January 30, 2018

Age Differences in Return-to-Work Following Injury: Understanding the Role of Age Dimensions Across Longitudinal

Jonathan K Fan¹, Monique A M Gignac, M Anne Harris

¹Dalla Lana School of Public Health, University of Toronto, Toronto, Canada (Mr Fan, Dr Gignac, Dr Harris, Dr Smith), Institute for Work & Health, Toronto, Canada (Mr Fan, Dr Gignac, Dr Smith), School of Occupational and Public Health, Ryerson University, Toronto, Canada (Dr Harris), School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia (Dr Smith).

Journal of Occupational and Environmental Medicine

|September 21, 2020

Abstract

Objectives:

To examine the overall association between chronological age and return-to-work (RTW), and understand if existing data could be used to better understand the role of age-related dimensions (functional, psychosocial, organizational, life-stage) in explaining these associations.

Methods:

We used survey data from a prospective cohort of injured workers in Victoria, Australia. Path models examined the relationship between chronological age and RTW, and the proportion mediated via age dimensions.

Results:

Older chronological age was associated with non-RTW, although the pattern was not observed consistently across follow-up surveys. A proportion of the overall relationship between chronological age and non-RTW was explained by functional and life-stage age and RTW status at previous time points.

Conclusions:

Findings underscore the importance of moving beyond age measured only in chronological years, towards more complex conceptual and analytical models that recognize age as a multidimensional construct.

More Related Videos

Longitudinal Evaluation of Mouse Hind Limb Bone Loss After Spinal Cord Injury using Novel, in vivo, Methodology

Longitudinal Evaluation of Mouse Hind Limb Bone Loss After Spinal Cord Injury using Novel, in vivo, Methodology

Published on: December 7, 2011

A Pediatric Concussion Model in Mice: Closed Head Injury with Long-Term Disorders (CHILD)

A Pediatric Concussion Model in Mice: Closed Head Injury with Long-Term Disorders (CHILD)

Published on: February 7, 2025

Related Concept Videos

Longitudinal Research

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...

Longitudinal Studies

Longitudinal Studies

Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...

Classification of Illness

Classification of Illness

The meaning of illness is individualized to each person who experiences an alteration in health. In contrast, disease is a medical term indicating a pathological change in the structure and function of the body or mind. It is a condition that has specific symptoms and boundaries.
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe...

Assumptions of Survival Analysis

Assumptions of Survival Analysis

Survival models analyze the time until one or more events occur, such as death in biological organisms or failure in mechanical systems. These models are widely used across fields like medicine, biology, engineering, and public health to study time-to-event phenomena. To ensure accurate results, survival analysis relies on key assumptions and careful study design.

Acute Kidney Injury III: Clinical Manifestations

Acute Kidney Injury III: Clinical Manifestations

Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...

Actuarial Approach

Actuarial Approach

The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...

Articles linked to this work by shared authors, journal, and citation graph.

Insights into vulnerable road user injury trends in the context of the COVID-19 pandemic: Canadian city trends 2012-2022.

Journal of safety research·2026

Talking about health at work: a qualitative study of worker disclosures to co-workers.

Disability and rehabilitation·2026

Multidimensional social exposure clusters and incident multimorbidity in a population-based cohort.

American journal of epidemiology·2026

Weather, air pollution, and migraine: A case-time series analysis examining environmental exposures and transient health outcomes recorded via smartphone application.

Environmental epidemiology (Philadelphia, Pa.)·2026

Do Gender and Chronic or Episodic Disability Type Moderate the Relationship Between Support Availability, Perceived Workplace Support Towards Disclosure and Job Disruptions?

Journal of occupational rehabilitation·2026

Working with a Chronic Health Condition: Is Choosing Not to Disclose the Same as Hiding Information?

Journal of occupational rehabilitation·2026

See all related articles