Aftab Ahmad, Harshal Ramesh Salve, Baridalyne Nongkynrih, Rajesh Sagar, Anand Krishnan
Mental health literacy among adolescents: Evidence from a community-based study in Delhi
The International journal of social psychiatry
dysfunctional beliefs attitudes sleep scale dbas16 widely used selfreport instrument identifying sleeprelated cognition however length cumbersome clinical practice study aims develop datadriven shortened version dbas16 efficiently predicts dbas16 total score among general population collected 1000 responses dbas16 general population three separate surveys focusing different aspects insomnia severity related factors using exploratory factor analysis efa survey responses grouped dbas16 items based response pattern similarities representative item group showing highest regression performance extreme gradient boosting xgboost predicting dbas16 total score selected create shortened version dbas16 efa xgboost categorized dbas16 items six distinct groups selecting one item group based highest coefficient determination r2 values predicting dbas16 total score measuring r2 values possible combinations six items items 4 5 7 11 13 15 chosen exhibiting highest r2 value based six items developed dbas6 datadriven shortened version dbas16 dbas6 exhibited outstanding predictive ability achieving highest r2 value 090 predicting dbas16 total score surpassing previously developed shortened version notably dbas6 efficiently encapsulates core aspects dbas16 demonstrates robust predictive power heterogeneous test data samples distinct statistical characteristics training data concise format high predictive accuracy dbas6 offers practical tool assessing dysfunctional beliefs sleep clinical settings