With the exception of those who engaged in high levels of self-reported physical activity, physical activity had a minimal effect on the multimorbidity-mortality relationship.
Objective The purpose of this study was to examine the relationship between personality and physical activity, with a specific focus on whether executive function moderates this relationship. Methods One hundred twenty-six young adults provided complete data at baseline and the five-month follow-up assessment. Executive function was assessed via the parametric Go/No-Go computer task; outcome measures of parametric Go/No-Go were mean reaction time and percent of correct target detection across executive function tasks (simple rule and repeating rule). Personality and moderate-to-vigorous physical activity were assessed via validated questionnaires; one-week test-retest was established on a random sample of the participants, with pedometry employed in the subsample. Results Individuals with a higher baseline conscientiousness personality type had greater five-month follow-up moderate-to-vigorous physical activity (β = 18.5; 95% confidence interval: 5.3, 31.7; p = .006). There was no evidence of an interaction effect for personality trait and executive function on five-month follow-up moderate-to-vigorous physical activity. Conclusion The personality trait conscientiousness was associated with greater moderate-to-vigorous physical activity. However, there was no evidence to suggest that executive function moderates the role between personality and moderate-to-vigorous physical activity. Thus, if confirmed by future work, personality may exert its effects on moderate-to-vigorous physical activity independent of executive function level.
Obtaining optimal levels of sleep is associated with better HRQOL and reduced premature mortality risk, independent of demographic, behavioral, and biological conditions. These findings underscore the importance of achieving optimal levels of sleep.
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