Table 2. Comparison of chronic illness and disabilities between online vs. non-online students .
| Online College Students | Non-Online College Students NCHA | Z-Statistic | P Value | |
| Attention deficit | n = 961 | n = 91,829 | ||
| 7.85 % | 7.37% | 0.5602 | 0.5755 | |
| Chronic illness | n = 961 | n = 91,822 | ||
| 15.70% | 4.91% | 14.9 | <0.0001 | |
| Deafness | n = 961 | n = 91,782 | ||
| 5.56% | 1.86% | 8.163 | <0.0001 | |
| Learning disability | n = 961 | n = 91,523 | ||
| 4.36% | 4.00% | 0.5528 | 0.5823 | |
| Psychiatric | n = 961 | n = 91,699 | ||
| 11.34% | 7.09% | 4.9815 | <0.0001 | |
| Speech or language | n = 961 | n = 91,693 | ||
| 1.96% | 0.82% | 3.7861 | <0.0002 |