LIVIA-FR pre-test, post-test and follow-up data

These data were collected via the REDCap platform. The primary outcomes are the following: • Grief symptoms, assessed with a French version (Cherblanc & Zech, 2021) of The Traumatic Grief Inventory (Boelen et al., 2019) at T0, T1 and T2 ; • Depression symptoms, assessed with the Patient Health Questionnaire-9 (Kroenke & Spitzer, 2002; Kroenke, Spitzer & Williams, 2001) at T0, T1 and T2 ; • Well-being, measured with the French version (Villieux et al., 2016) of the Flourishing Scale (Diener et al., 2010) at T0, T1 and T2.

Secondary outcomes are the following: • Anxiety symptoms, assessed with the Generalized Anxiety Scale (Micoulaud-Franchi et al., 2016; Spitzer et al., 2006) at T0, T1 and T2 ; • Grief coping strategies, measured with the Coping with Bereavement Questionnaire (Ryckebosch-Dayez et al., 2016) at T0 only. • Aspects related to identity, measured with the Self-Concept Clarity (Brunot et al., 2015; Campbell et al., 1996), the Centrality of Event Scale (Berntsen & Rubin, 2006; Ceschi et al., 2009), and questions about self-continuity (Lampraki et al., 2019) at T0, T1 and T2 ; • The subjective feelings of loneliness, measured with Loneliness Scale UCLA (De Grâce et al., 1993; Russell et al., 1980) at T0, T1 and T2 ; • The satisfaction with the program (measured with a translated and adapted version of the CSQ-I; Boß et al., 2016) at T1. • Monitoring of the mood, solitude feelings and grief symptoms.