Cost and Effectiveness of Blended Versus Standard Cognitive Behavioral Therapy for Outpatients With Depression in Routine Specialized Mental Health Care: Pilot Randomized Controlled Trial

Lisa Catharine Kooistra   ^{1, 2, 3} , MSc ;   Jenneke Elize Wiersma   ^{2, 3} , PhD ;   Jeroen Ruwaard   ^{2, 3} , PhD ;   Koen Neijenhuijs   ^{1, 3, 4} , MSc ;   Joran Lokkerbol   ⁵ , PhD ;   Patricia van Oppen   ^{2, 3, 6} , PhD ;   Filip Smit   ^{1, 3, 5, 7} , PhD ;   Heleen Riper   ^{1, 2, 3, 6} , PhD

¹ Department of Clinical, Neuro and Developmental Psychology, Clinical Psychology Section, Vrije Universiteit Amsterdam, Amsterdam, Netherlands

² Department of Research and Innovation, GGZ in Geest/Amsterdam University Medical Center, VU University Medical Center, Amsterdam, Netherlands

³ Amsterdam Public Health Research Institute, Amsterdam University Medical Center, VU University Medical Center, Amsterdam, Netherlands

⁴ Cancer Center Amsterdam, Amsterdam University Medical Center, VU University Medical Center, Amsterdam, Netherlands

⁵ Center of Economic Evaluation, Trimbos Institute (Netherlands Institute of Mental Health and Addiction), Utrecht, Netherlands

⁶ Department of Psychiatry, GGZ in Geest/Amsterdam University Medical Center, VU University Medical Center, Amsterdam, Netherlands

⁷ Department of Epidemiology and Biostatistics, Amsterdam University Medical Center, VU University Medical Center, Amsterdam, Netherlands