Table I2. High school GPA for academic courses for 2009 ninth-graders, by hours spent playing video games on a typical school day in ninth grade (HSLS:09): 2009-2013

 
High school GPA for all academic courses
Hours spent playing video games on typical school day 0.00 - 0.50   0.51 - 1.00   1.01 - 1.50   1.51 - 2.00   2.01 - 2.50   2.51 - 3.00   3.01 - 3.51   3.51 - 4.00
Total  1.8   3.3   8.0   14.9   19.3   20.0   18.9   13.9  
                                 
Less than 1 hour 1.4   2.6   6.3   13.2   17.7   20.7   21.0   17.1  
1 to 2 hours 1.5   3.4   9.8   17.1   22.5   19.4   16.3   10.2  
2 to 3 hours 2.0 ! 4.5 9.7 14.8 23.8 21.0 15.0 9.2
3 to 4 hours 4.0 ! 3.8 ! 10.4 18.4 22.6 18.5 14.6 7.6
4 to 5 hours 2.1 ! 7.0 ! 9.8 ! 20.6 24.6 16.6 12.2 7.1 !
5 or more hours 4.7 ! 7.0 15.5 22.2 16.8 15.3 13.9 4.8
                                 
! Interpret data with caution. Estimate is unstable because the standard error represents more than 30 percent of the estimate.
‡ Reporting standards are not met.
NOTE: W4W1STU weight was used for this crosstabulation. GPA was calculated from all academic courses reported on 2009 ninth-graders' transcripts from ninth through twelfth grades.
SOURCE: U.S. Department of Education, National Center for Education Statistics, High School Longitudinal Study of 2009 (HSLS:09), Second Follow-up.