Efficacy of Internet-Based Cognitive Behavioral Therapy for Subthreshold Depression Among Older Adults in Institutional Long-Term Care Settings: Pragmatic Randomized Controlled Trial

Fanqian Kong   ¹ , MSc ;   Libo Yu   ² , PhD ;   Yanbin Hou   ³ , MD ;   Lijie Zhu   ⁴ , MSc ;   Jing Zhou   ² , MSc ;   Lingjie Huang   ² , MPH ;   Yueer Lv   ² , MPH ;   Li Wang   ² , MSc ;   Li Zhang   ² , MSc ;   Yiling Yang   ² , MSc ;   Yuchen Ying   ² , MPH

¹ Ningbo Medical Center Lihuili Hospital, Ningbo, China

² Ningbo College of Health Sciences, Ningbo, Zhejiang, China

³ Ningbo First Hospital, Ningbo, China

⁴ Pfizer Research and Development Co., Ltd, Shanghai, China