“…The included studies used diverse instruments to measure different dimensions of empowerment (Table 1). Twelve assessed coping (using mini-Mental Adjustment to Cancer (mini-MAC) scale, Brief Coping Orientation to Problems Experienced (COPE), Dealing with Illness Inventory-German Revised (DWI-GR), Functional Assessment of Cancer Therapy (FACT), Electronic Cancer Coping Scale (ECCS)), 49,51,54,56,57,[60][61][62]67,69,70,74 nine assessed self-efficacy (Cancer Behavior Inventory (CBI), Stanford Inventory of Cancer Patient Adjustment (SICPA), General Self-Efficacy Scale (GSE), Stanford Emotional Self-Efficacy Scale-Cancer (SESES-C), Self-Efficacy Scale for Self-Management of Breast Cancer (SESSM-B), Selbstwirksamkeitserwartung (SWE) scale, Cancer Management Self-Efficacy Scale)), 48,52,53,60,[64][65][66]75,76 nine assessed knowledge (Breast Cancer Resources Questionnaire (BCRQ) and newly developed questionnaires), 52,53,55,58,59,[61][62][63]71 two assessed empowerment (Cancer Empowerment Questionnaire (CEQ) and modified own items), 72,73 four assessed self-management skills, 55,58,64,71 two assessed health behaviour outcomes 50,68 and one assessed control. 58 No study assessed health literacy explicitly.…”