A new study published in Applied Psychological Health sought to investigate the reciprocal interplay between physical activity and health-related quality of life in children and adolescents. The research revealed that the more active the children were, the more likely they were to engage in physical activity, and the more physically active participants were, the more likely they were to have higher health-related quality of life. These findings indicate that when trying to support students’ physical and mental health, it could be beneficial to work on increasing either physical activity or factors related to health-related quality of life.
Physical activity is known to have numerous health benefits, including improved cardiovascular health, reduced risk of obesity, and improved mental health. Health-related quality of life is a multidimensional construct encompassing physical, emotional, and social well-being. Previous research has shown that physical activity positively correlates with health-related quality of life in children and adolescents.
However, the direction of the relationship between physical activity and health-related quality of life is not well understood. Some studies have suggested that physical activity leads to improved health-related quality of life, while others have found that health-related quality of life leads to increased physical activity. The study aimed to investigate the reciprocal interplay between physical activity and health-related quality of life in children and adolescents.
The study involved 570 participants aged between 10 and 17 years. The participants were recruited from schools and youth sports clubs in Germany. The research team used a longitudinal design, with data collected at three time points over one year.
Physical activity was measured using a two-item scale tested and used in diverse settings. The two items were (a) “On how many of the last seven days were you physically active for at least 60 min a day?” and (b) “On how many days of a normal week are you physically active for at least 60 minutes?” For both items, the answer categories ranged from 0 to 7. Health-related quality of life was assessed using a self-report questionnaire that measured physical, emotional, and social well-being.
The study found evidence for upward and downward spirals between physical activity and health-related quality of life. Specifically, the study found that prior physical activity was positively associated with subsequent health-related quality of life and prior health-related quality of life was positively associated with subsequent physical activity.
In other words, when children and teenagers engaged in more physical activity than usual, their overall quality of life tended to improve. Similarly, when their quality of life was better than usual, they tended to increase their level of physical activity. On the other hand, when when children and teenagers engaged in less physical activity than usual, their overall quality of life tended to decline. Similarly, when their quality of life was worse than usual, they tended to decrease their level of physical activity. This suggests that physical activity and health-related quality of life are intertwined, and they can influence each other over time.
The study also found a small correlation effect between physical activity and health-related quality of life, indicating that higher levels of physical activity were associated with higher levels of health-related quality of life. However, the effect size was small, suggesting that other factors may also play a role in determining health-related quality of life.
The findings of this study have important implications for promoting physical activity and improving health-related quality of life in children and adolescents. The bidirectional relationship between physical activity and health-related quality of life suggests that interventions targeting either physical activity or health-related quality of life may have a positive impact on both outcomes.
For example, interventions that promote physical activity may also improve health-related quality of life, and interventions that improve health-related quality of life may also increase physical activity. The study also highlights the importance of considering the multidimensional nature of health-related quality of life , as physical, emotional, and social well-being are all essential components of overall well-being.
The study has several limitations that should be considered when interpreting the findings. First, the study relied on self-reported physical activity and health-related quality of life measures, which may be subject to bias and measurement error. Future studies should consider using objective measures of physical activity, such as accelerometers, which may provide more accurate and reliable data.
Second, the study was conducted in Germany and may not be generalizable to other populations or cultural contexts. Finally, the study only measured physical activity and health-related quality of life at three-time points over one year, which may not capture the full complexity of the relationship between these variables.
The study provides evidence for upward and downward spirals between physical activity and health-related quality of life in children and adolescents. The bidirectional relationship between physical activity and health-related quality of life highlights the importance of promoting an active lifestyle for overall well-being. The findings of this study have important implications for developing interventions that target physical activity and health-related quality of life in children and adolescents. However, future studies should consider using objective measures of physical activity and more extended follow-up periods to provide more accurate and reliable data.
The study, “The reciprocal interplay of physical activity and health-related quality of life in children and adolescents: Evidence for both upward and downward spirals,” was authored by Daniel Groß, Ines Schröder, Nicola Wasserfall, Heike Eschenbeck, and Carl-Walter Kohlmann.
