Arabic Translation and Psychometric Testing of the Physical Activity Index

ABSTRACT Background Physical inactivity remains widespread, including in Lebanon, with significant health consequences. The Physical Activity Index (PAI) is a practical and cost‐effective tool for large‐scale population studies. However, the PAI has not been validated in Arabic‐speaking populations. This study intended to evaluate the psychometric properties of an Arabic translation of the PAI, with the aim of providing an adapted tool to assess physical activity and support public health initiatives and research efforts in Arab‐speaking regions. Methods The forward‐backward translation method was adopted. Data were collected through a one‐time online survey from a sample of Lebanese adults ( N = 462; mean age…