Associations between sex hormones, sleep problems and depression 223 Figure 8.1. Study selection process of the systematic review, according to PRISMA guidelines and using the PRISMA flow diagram format (Moher et al., 2009). Full-text articles assessed for eligibility (n = 38) Full-text articles excluded, with reasons (n = 27) Records identified through database searching (n = 4142) Exclude reasons: No published full text available: n = 6 Participant group not healthy: n = 3 Participant group too old: n = 2 Insufficient sleep measurements: n = 4 Insufficient depression measurement: n = 4 Insufficient hormone measurement: n = 3 No pre-post measurement intervention: n = 3 Records after duplicates removed (n = 2895) Records screened (n = 2895 ) Records excluded based on title and abstract (n = 2855) Studies included in qualitative synthesis (n = 13) Included Elegibility Screening Iden�fica�on
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