Attention constraints | # Limit | % Limit | Sub. rate |
Low constraints | 49 | 18.72% | 47.50% |
High constraints | 22 | 12.31% | 51.60% |
Difference in means | 27 | 6.41% | −4.10% |
P-value | <0.01 | 0.02 | 0.40 |