Long-Term Results of a Web-Based Guided Self-Help Intervention for Employees With Depressive Symptoms: Randomized Controlled Trial

Anna S Geraedts   ^{1, 2, 3 *} , MSc ;   Annet M Kleiboer   ^{1, 2, 3 *} , PhD ;   Jos Twisk   ^{4, 5 *} , PhD ;   Noortje M Wiezer   ^{3, 6 *} , PhD ;   Willem van Mechelen   ^{2, 3, 7 *} , MD, PhD ;   Pim Cuijpers   ^{1, 2, 3 *} , PhD

¹ Department of Clinical Psychology, Vrije University Amsterdam, Amsterdam, The Netherlands

² EMGO Institute for Health and Care Research, VU University Amsterdam and VU University Medical Center Amsterdam, Amsterdam, The Netherlands

³ Body@Work, Research Center Physical Activity, Work and Health, TNO-VU-VUmc, Amsterdam, The Netherlands

⁴ Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands

⁵ Department of Health Sciences, Section Methodology and Applied Biostatistics, Vrije University Amsterdam, Amsterdam, The Netherlands

⁶ TNO, Hoofddorp, The Netherlands

⁷ Department of Public and Occupational Health, VU University Medical Center, Amsterdam, The Netherlands

*all authors contributed equally