2.8. Data analysis
Statistical analyses were performed using SPSS version 25. Appropriate descriptive statistics, such as mean, standard deviation, frequency and percentage, were used to summarize and present the baseline characteristics of the participants and the outcome measures across study time points. The preliminary effects of the intervention on the outcomes were estimated by the bias-corrected Hedges’g effect sizes [Every interview was recorded, followed by exact transcription and managed with Nvivo 12 software. The interview transcriptions were analysed using a qualitative content analysis methodology following Graneheim and Lundman [