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Table 2 Evolution of a definition of a PAB determinant—age

From: Definitions of determinants of physical activity behaviour: process and outcome of consensus from the DE-PASS expert group

Phase

Definition

Round 1

The amount of time elapsed since an individual’s birth, typically expressed in terms of months and years. Also called chronological age.

Round 2

The span of time since a person's birth, generally marked in years or months. Also known as chronological age.

Final definition

The span of time since an individual’s birth, generally marked in years or months. Also referred to as chronological age.