Average # of laps completed | Student-level change (pre to post) | ||||||
---|---|---|---|---|---|---|---|
Pre | Post | P-value† | Improved | Maintained | Decreased | P-value (4th vs. 5th)† | |
2012-2013 Data | |||||||
2012-2013 Cohort | |||||||
4th grade | 19.0 | 21.4 | <0.0001 | 481 (57%) | 62 (7%) | 303 (36%) | 0.02 |
5th grade | 22.5 | 24.5 | <0.0001 | 490 (56%) | 98 (11%) | 294 (33%) | |
2011-2012 Cohort | |||||||
4th grade | 22.2 | 24.7 | <0.0001 | 876 (62%) | 104 (7%) | 439 (30.9%) | 0.48 |
5th grade | 25.5 | 28.3 | <0.0001 | 839 (62%) | 83 (6%) | 423 (32%) | |
2010-2011 Cohort | |||||||
4th grade | 17.5 | 25.3 | <0.0001 | 245 (66%) | 36 (10%) | 89 (24%) | <0.0001 |
5th grade | 19.1 | 26.3 | <0.0001 | 259 (81%) | 21 (7%) | 40 (13%) | |
2011-2012 Data* | |||||||
2010-2011 Cohort | |||||||
5th grade | 16.6 | 19.0 | <0.0001 | 188 (65%) | 35 (12%) | 66 (23%) |