Determinants of Physical Activity in Older Adults: Integrating Self-Concordance into the Theory of Planned Behavior.

ABSTRACT: Based on the theory of planned behavior (TPB), augmented by the concept of self-concordance (derived from self-determination theory, SDT), we conducted a study to identify the key determinants of physical activity in older adults. We applied structural equation modeling of telephone survey data from a random sample of adults aged 65 years and older living in Germany (N = 865). Relations of attitude, subjective norms, and perceived behavioral control (PBC) with intention strength and self-concordance of intention to be physically active were tested. Habit strength was analyzed as a moderator. Data analysis showed this model to be well-suited for explaining the intention to be physically active-especially for people with a weak habit. The influence of TPB components on intention would

SUBMITTER: Stehr P 

PROVIDER: S-EPMC8199322 | biostudies-literature | 2021 May

REPOSITORIES: biostudies-literature