Implications
Our study shows that even in low-resource settings, a cCBT-based intervention without expert support can help users who at least partially complete the intervention. This implication is immensely encouraging, as the number of mental health professionals is extremely low in India [The authors thank Romit Chaudhary, Divya Chauhan, Vinay Agarwal, Sahars Kumar, Pearl Sikka, Rahul Gupta, Nikhil Vanjani, and Sandarsh Pandey for their help in development of TreadWill. The authors thank Pranjul Singh, Aditya Patil, and Pearl Sikka for their help in developing the videos of TreadWill. The authors thank Prof. Braj Bhushan, Shoukkathali K, Rita Singh, Akanksha Awasthy, and Dr. Gitanjali Narayanan for helpful discussions, and they thank Dr Shikha Jain, Mrityunjay Bhargava, Pratibha Mishra, Jagriti Agnihotri, Swastika Tandon, Akash A, Harsh Agarwal, and the Indian Institute of Technology Kanpur media cell for promoting the visibility of the trial. The authors thank Silky Gupta and Aarush Mohit Mittal for helping with data analysis and feedback on the manuscript. The authors thank many members of the Indian Institute of Technology Kanpur community for helping as pilot users of the intervention during its development, members of the counseling and psychiatry team for their feedback, and members of the Lab of Neural Systems for testing the beta version of TreadWill and giving feedback on the content and user experience. The authors thank Arun Shankar and Ranjeet Kumar for labeling images in “Identify the friendly face” game. This work was supported by the Cognitive Science Research Initiative of the Department of Science & Technology (grant DST/CSRI/2018/102). The funding agency had no role in the design or implementation of the study and in the interpretation of the results.Authors' Contributions: AG and NG conceptualized the project; AG, RJC, SW, AB, and NG designed the research; AG, RJC, SW, PS, and KRK developed the intervention; AG, AB, and NG recruited participants; AG and NG analyzed data; AG and NG wrote the paper with inputs from all coauthors.Conflicts of Interest: None declared.Supplementary figures and tables.CONSORT-EHEALTH (V 1.6.1) Checklist.