| Group/Moment/Calling | Comparisons | Mean Difference | S.E. | df | p | 95% IC | |
| Lower | Upper | ||||||
| Lectures 1 month apart - w/o telephone calls | Baseline - 12 months | −339.2 | 160.9 | 1 | >0.999 | −907.2 | 228.8 |
| Lectures 1 month apart - with telephone calls | Baseline - 12 months | 285.9 | 163.1 | 1 | >0.999 | −289.8 | 861.6 |
| Lectures 2 months apart - w/o telephone calls | Baseline - 12 months | −526.2 | 160.9 | 1 | 0.129 | −1094.1 | 41.8 |
| Lectures 2 months apart - with telephone calls | Baseline - 12 months | −130.8 | 160.9 | 1 | >0.999 | −698.7 | 437.2 |
| Lectures 3 months apart - w/o telephone calls | Baseline - 12 months | 186.1 | 152.1 | 1 | >0.999 | −350.6 | 722.8 |
| Lectures 3 months apart - with telephone calls | Baseline - 12 months | −131.5 | 171.6 | 1 | >0.999 | −736.9 | 474.0 |
| Educational material only - w/o telephone calls | Baseline - 12 months | −21.2 | 160.9 | 1 | >0.999 | −589.1 | 546.8 |
| Educational material only - with telephone calls | Baseline - 12 months | 200.2 | 167.8 | 1 | >0.999 | −392.0 | 792.3 |
| Lectures 1 month apart - Baseline | w/o telephone calls - with telephone calls | 380.4 | 193.9 | 1 | >0.999 | −304.1 | 1064.8 |
| Lectures 1 month apart - 12 months | w/o telephone calls - with telephone calls | 1005.4 | 195.7 | 1 | <0.001 | 314.6 | 1696.3 |
| Lectures 2 month apart - Baseline | w/o telephone calls - with telephone calls | −3.9 | 193.9 | 1 | >0.999 | −688.3 | 680.5 |
| Lectures 2 month apart - 12 months | w/o telephone calls - with telephone calls | 391.5 | 193.9 | 1 | >0.999 | −292.9 | 1075.9 |
| Lectures 3 month apart - Baseline | w/o telephone calls - with telephone calls | 81.4 | 195.3 | 1 | >0.999 | −608.0 | 770.8 |
| Lectures 3 month apart - 12 months | w/o telephone calls - with telephone calls | −236.1 | 195.3 | 1 | >0.999 | −925.5 | 453.3 |
| Educational material only - Baseline | w/o telephone calls - with telephone calls | −300.9 | 198.1 | 1 | >0.999 | −1000.1 | 398.2 |
| Educational material only - 12 months | w/o telephone calls - with telephone calls | −79.6 | 198.1 | 1 | >0.999 | −778.7 | 619.6 |
| Without telephone calls - Baseline | Lectures 1 month apart - Lectures 2 months apart | 19.1 | 193.9 | 1 | >0.999 | −665.3 | 703.5 |
| Lectures 1 month apart - Lectures 3 months apart | −169.5 | 188.7 | 1 | >0.999 | −835.3 | 496.4 | |
| Lectures 1 month apart - Educational material only | 118.6 | 193.9 | 1 | >0.999 | −565.8 | 803.0 | |
| Lectures 2 months apart - Lectures 3 months apart | −188.6 | 188.7 | 1 | >0.999 | −854.4 | 477.3 | |
| Lectures 2 months apart - Educational material only | 99.5 | 193.9 | 1 | >0.999 | −584.9 | 783.9 | |
| Lectures 3 months apart - Educational material only | 288.1 | 188.7 | 1 | >0.999 | −377.8 | 953.9 | |