เปรียบเทียบวิธี

	แบบสอบถามอุปสรรคต่อการออกกำลังกาย	แบบประเมินความเชื่อมั่นในการออกกำลังกาย
สาขาวิชา	พฤติกรรมสุขภาพ	พฤติกรรมสุขภาพ
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	1987	1997
ผู้ริเริ่ม	Karen Sechrist, Susan Noble Walker, and Nola J. Pender	Albert Bandura; validated by Resnick & Jenkins
ประเภท	Self-report questionnaire	Self-report questionnaire
แหล่งต้นตำรับ	Sechrist, K. R., Walker, S. N., & Pender, N. J. (1987). Development and psychometric evaluation of the Exercise Benefits/Barriers Scale. Research in Nursing & Health, 10(6), 357-365.	Bandura, A. (1997). Self-efficacy: The exercise of control. W. H. Freeman.
ชื่อเรียกอื่น	BPA Scale, Exercise Barriers	Exercise Confidence Scale, Physical Activity Self-Efficacy
ที่เกี่ยวข้อง	3	3
สรุป	The Barriers to Physical Activity Questionnaire (BPA) is a scale designed to identify and measure perceived obstacles to exercise engagement. Rooted in the Health Belief Model and Health Promotion Model, the BPA assesses multiple categories of barriers—time constraints, lack of motivation, physical discomfort, cost, lack of facilities, social/family factors, and weather—that individuals perceive as preventing or limiting physical activity. Understanding which barriers are most salient for a given individual or population enables targeted intervention design, such as time management coaching, facility access solutions, or social support programs. The BPA is widely used in primary care, community health, occupational health, and exercise research to segment populations and tailor physical activity prescriptions.	The Exercise Self-Efficacy Scale measures an individual's confidence in their ability to exercise regularly and maintain physical activity despite challenges. Grounded in Albert Bandura's Social Cognitive Theory, self-efficacy is the belief that one has the capability to execute a specific behavior and achieve desired outcomes. For exercise, self-efficacy encompasses confidence in overcoming barriers (time, fatigue, weather), maintaining consistency, and managing setbacks or relapse. Research consistently demonstrates that exercise self-efficacy is one of the strongest predictors of exercise adherence; individuals with high confidence are more likely to initiate exercise, persist through difficulties, and maintain activity over time. The scale is widely used in primary care, cardiac and pulmonary rehabilitation, weight management, diabetes care, and exercise research to assess readiness for behavior change and to evaluate interventions designed to boost confidence.