Life participation has been identified as a critically important core outcome to be reported in all trials in people receiving peritoneal dialysis (PD). Life participation is defined as the ability to participate in meaningful activities such as work (e.g. employment, housework, study), family, social (e.g. time with friends) and leisure (travel, hobbies, exercise) activities. However, life participation is rarely and inconsistently reported in trials in PD. The standardised outcomes in nephrology-life participation (SONG-LP) instrument was validated in adult kidney transplant recipients and demonstrated internal consistency and test–retest reliability. In this article, we outline the rationale and process for validating the SONG-LP instrument in people receiving PD.
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