Development and Initial Validation of a Measure to Assess Self-Efficacy to Reduce Sedentary Behavior.

ABSTRACT:

Introduction

The purpose of this study was to assess the reliability and construct validity of a measure designed to evaluate self-efficacy to reduce sedentary behavior (SB).

Methods

Initial instrument development was based on semistructured interviews and in-depth review of existing measures of self-efficacy for physical activity (PA). Items were drafted by the study authors and reviewed by SB experts. Participants recruited via Amazon Mechanical Turk completed the pool of items and the Exercise Confidence Survey and provided self-reported PA, SB, and demographic information. The sample was divided into two random halves, and exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were performed on each half, respectively. Internal consistency reliability (

SUBMITTER: Whipple MO 

PROVIDER: S-EPMC10524260 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature