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Random Assignment of Modules
| Path (all paths contain the core questionnaire, core biomarkers, and core leave-behind questionnaire) | No. of cases | Test |
| 1 Modules A, B, and C | 527 | χ2 = 3.707 with 5 df; p = .5 (not significant) |
| 2 Modules A, B, and E | 511 | |
| 3 Modules A, B, and E; module B as leave behind | 475 | |
| 4 Modules A, C, and E; module B as leave behind | 511 | |
| 3 Modules B, C, and D; module A as leave behind | 497 | |
| 3 Modules B, C, and E; module A as leave behind | 484 | |
| All paths | 3,005 |
