“…The most frequently assessed mental health outcomes were depression or depressive symptoms ( n = 38; 84%), anxiety-related symptoms ( n = 33; 73%), psychological stress level (n = 14, 40%). Several studies also investigated mental health outcomes relating to mental health wellbeing, 13,20,25,32,44,45 quality of life, 32,36,37,46 life satisfaction, 21,44 psychological distress, 16,25,37,45 insomnia 47 and sleep quality. 43…”