Table 2.

Logistic regression model

Feature	Coefficient	OR (95% CI)
Works in same department	3.158	23.524 (2.450 to 225.843)
Same street address	2.599	13.450 (2.212 to 81.790)
Same family name	2.340	10.381 (6.653 to 16.199)
Over 200 accesses in day	1.300	3.669 (1.534 to 8.778)
VIP patient	1.175	3.238 (1.049 to 9.994)
Same city	1.047	2.849 (1.449 to 5.602)
Access on clinic day	0.869	2.385 (1.421 to 4.001)
Hospital 1 employee	−0.434	0.648 (0.426 to 0.986)
Hospital 2 employee	−0.448	0.639 (0.423 to 0.966)
Integrated delivery network employee	−0.531	0.588 (0.363 to 0.952)
Had recent visit	−0.616	0.540 (0.302 to 0.965)
Same zip code	−1.465	0.231 (0.111 to 0.479)
Researcher	−1.475	0.229 (0.114 to 0.458)
Had recent visit×VIP patient	−1.610	0.200 (0.061 to 0.652)
Is provider	−2.324	0.098 (0.050 to 0.190)
Care unit visit match	−3.124	0.044 (0.022 to 0.088)
Had recent visit×works in same department	−3.397	0.033 (0.003 to 0.347)
Works in same department×same family name	−9.343	0.000 (0.000 to 0.002)