Fig. 3
The association between different online activities and cognitive function. Note: To explore the effects of different online activities on cognitive function, we adjusted for gender, age, residential area, educational level, married status, smoke status, drinking status, sleep time, self-rated health, and the number of chronic diseases in the multivariable linear regression model. (Adjusted R2:0.238; MSE: 2.86To explore the effects of different online activities on cognitive function, we adjusted for gender, age, residential area, educational level, married status, smoke status, drinking status, sleep time, self-rated health, and the number of chronic diseases in the multivariable linear regression model. (Adjusted R2:0.238; MSE: 2.86