Related Experiment Video
Updated: Feb 3, 2026
07:03
Reliable Method for Assessing Seed Germination, Dormancy, and Mortality under Field Conditions
Published on: November 6, 2016
11.0K
Associations Between Changes in Cycling and All-Cause Mortality Risk
Lars Østergaard1, Majken K Jensen2, Kim Overvad3
1Research Unit for Exercise Epidemiology, Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense M, Denmark.
American Journal of Preventive Medicine
|October 22, 2018
Summary
Starting cycling in mid-life, whether commuter or recreational, significantly lowers all-cause mortality risk. Continued or initiated cycling offers substantial survival benefits.
Area of Science:
- Epidemiology
- Public Health
- Preventive Medicine
Background:
- Previous studies linked active commuting to reduced mortality.
- Research has not differentiated between commuter and recreational cycling's impact on mortality.
- Understanding changes in cycling habits and their mortality associations is crucial.
Purpose of the Study:
- To investigate the association between commuter and recreational cycling and all-cause mortality.
- To examine how changes in cycling habits (initiation, cessation, consistency) relate to mortality risk.
- To analyze cycling's role in mortality reduction among mid-life adults.
Main Methods:
- Prospective cohort study of 28,204 participants aged 50-65 in Denmark.
- Baseline and 5-year follow-up assessments of cycling habits and other risk factors.
- Mortality follow-up until July 2013, with data analyzed in 2018.
Main Results:
- Cycling 1-60 minutes/week associated with lower all-cause mortality (HR=0.76 for recreational, HR=0.78 for commuter).
- Initiating cycling (HR=0.78) and consistently cycling (HR=0.77) showed reduced mortality risk compared to never cycling.
- Stopping cycling did not significantly alter mortality risk (HR=0.98).
Conclusions:
- Initiating or maintaining cycling in mid-life is linked to lower all-cause mortality.
- Promoting cycling may be a valuable public health strategy for reducing mortality.
- Public health initiatives should consider supporting cycling for health benefits.
Related Concept Videos
01:12Relative Risk
2.1K
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
2.1K
00:54What are Biogeochemical Cycles?
39.5K
The most common elements in organic molecules, carbon, hydrogen, oxygen, nitrogen, sulfur, and phosphorus, are only available in the ecosystem in limited amounts. Therefore, these nutrients must be recycled through both biotic and abiotic components of the ecosystem, in processes generally called biogeochemical cycles.
39.5K
01:00The Water Cycle
28.5K
The Earth’s hydrosphere includes all of the areas where the storage and movement of water occurs. Since water is the basis of all living processes, the cycling of water is extremely important to ecosystem dynamics.
28.5K
01:21Association Areas of the Cortex
9.4K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
9.4K
01:27Associative Learning
1.3K
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
Classical conditioning, also known...
1.3K
01:21The Phosphorus Cycle
43.9K
Unlike carbon, water, and nitrogen, phosphorus is not present in the atmosphere as a gas. Instead, most phosphorus in the ecosystem exists as compounds, such as phosphate ions (PO43-), found in soil, water, sediment and rocks. Phosphorus is often a limiting nutrient (i.e., in short supply). Consequently, phosphorus is added to most agricultural fertilizers, which can cause environmental problems related to runoff in aquatic ecosystems.
43.9K