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Significant factors affecting linkage based on the regression model
| Factor | OR (95% CI) | p Value |
| Presence of social security number | 7.7423 (5.9528 to 10.0698) | <2e–16 |
| Presence of middle name | 3.1528 (2.6075 to 3.8123) | <2e–16 |
| Presence of maiden name | 1.5606 (1.2094 to 2.0139) | 0.000625 |
| Presence of death date | 3.3029 (2.3758 to 4.5918) | 1.17e–12 |
| Having a Utah connection | 6.3815 (5.2210 to 7.7998) | <2e–16 |
