Adult 1 Article 1 Befriending 1 Depression 1 Depressive symptoms 1 Feasibility Studies 1 Glasgow Depression Scale for People with Learning Disabilities 1 Humans 1 Intellectual Disability 1 Intellectual disability 1 Loneliness 1 Pilot Projects 1 Pilot study 1 Quality of Life 1 Randomised controlled trial 1 Volunteers 1 adult 1 befriending clinical article 1 clinical supervision 1 controlled study 1 depression 1 exploratory factor analysis 1 feasibility study 1 female 1 friendship 1 futurology 1 health economics 1 human 1 intellectual impairment 1