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Frequency of unique participants and follow-up observations by veteran status
| Number of Nonveteran (Row %) | Number of veteran (Row %) | Total participants (Total follow-up observations) | |
|---|---|---|---|
| Participants with one follow-up | 4467 (81.3) | 1028 (18.7) | 5495 |
| Participants with two follow-ups | 2810 (89.1) | 345 (10.9) | 3155 |
| Participants with three follow-ups | 1001 (90.7) | 103 (9.3) | 1104 |
| Total | 8278 (84.9) | 1476 (15.1) | `9754 |
