Activities on Facebook Reveal the Depressive State of Users

Sungkyu Park   ^{1 *} ;   Sang Won Lee   ^{2 *} , MD ;   Jinah Kwak   ³ ;   Meeyoung Cha   ^{3 *} , PhD ;   Bumseok Jeong   ^{2 *} , MD, PhD

¹ Division of Web Science and Technology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea, Republic of

² Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea, Republic of

³ Graduate School of Culture Technology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea, Republic of

*these authors contributed equally