Negative binomial model results (severity model)
| (1) | (2) | (3) | (4) | (5) | |
|---|---|---|---|---|---|
| Model | Negative binomial | ||||
| Dependent Variable | Num of records breached | Num of records breached | Num of records breached | Num of records breached | Num of records breached |
| diq_site | 1.74E−02 (0.96) | 1.62E−02 (0.9) | 1.34E−02 (0.75) | 1.45E−02 (0.81) | 1.46E−02 (0.82) |
| diq_mobile | 7.34E−02**** (3.56) | 7.82E−02**** (3.79) | 7.85E−02**** (3.79) | 7.60E−02**** (3.7) | 7.85E−02**** (3.82) |
| diq_marketing | 5.52E−02*** (2.68) | 5.20E−02** (2.52) | 5.16E−02** (2.52) | 5.60E−02*** (2.71) | 5.26E−02** (2.57) |
| diq_social | −3.61E−03 (−0.14) | −4.94E−03 (−0.2) | −6.28E−03 (−0.25) | −4.87E−03 (−0.19) | −2.27E−03 (−0.09) |
| PatCite | 5.98E−03 (1.05) | 2.85E−03 (1.18) | −7.84E−04 (−0.33) | 5.83E−03** (2.13) | 1.44E−03 (1.36) |
| PatCite*diq_site | −2.79E−04 (−0.94) | −1.53E−04 (−1.11) | |||
| PatCite*diq_mobile | 1.90E−04 (0.78) | 4.46E−05 (0.29) | |||
| PatCite*diq_marketing | −1.73E−04 (−0.96) | −3.10E−04** (−2.00) | |||
| PatCite*social | −3.97E−05 (−0.28) | −2.72E−04 (−1.43) | |||
| lgacq | 2.82E−01**** (4.98) | 2.71E−01**** (4.83) | 2.68E−01**** (4.74) | 2.72E−01**** (4.84) | 2.72E−01**** (4.85) |
| (1) | (2) | (3) | (4) | (5) | |
|---|---|---|---|---|---|
| Model | Negative binomial | ||||
| Dependent Variable | Num of records breached | Num of records breached | Num of records breached | Num of records breached | Num of records breached |
| diq_site | 1.74E−02 (0.96) | 1.62E−02 (0.9) | 1.34E−02 (0.75) | 1.45E−02 (0.81) | 1.46E−02 (0.82) |
| diq_mobile | 7.34E−02**** (3.56) | 7.82E−02**** (3.79) | 7.85E−02**** (3.79) | 7.60E−02**** (3.7) | 7.85E−02**** (3.82) |
| diq_marketing | 5.52E−02*** (2.68) | 5.20E−02** (2.52) | 5.16E−02** (2.52) | 5.60E−02*** (2.71) | 5.26E−02** (2.57) |
| diq_social | −3.61E−03 (−0.14) | −4.94E−03 (−0.2) | −6.28E−03 (−0.25) | −4.87E−03 (−0.19) | −2.27E−03 (−0.09) |
| PatCite | 5.98E−03 (1.05) | 2.85E−03 (1.18) | −7.84E−04 (−0.33) | 5.83E−03** (2.13) | 1.44E−03 (1.36) |
| PatCite*diq_site | −2.79E−04 (−0.94) | −1.53E−04 (−1.11) | |||
| PatCite*diq_mobile | 1.90E−04 (0.78) | 4.46E−05 (0.29) | |||
| PatCite*diq_marketing | −1.73E−04 (−0.96) | −3.10E−04** (−2.00) | |||
| PatCite*social | −3.97E−05 (−0.28) | −2.72E−04 (−1.43) | |||
| lgacq | 2.82E−01**** (4.98) | 2.71E−01**** (4.83) | 2.68E−01**** (4.74) | 2.72E−01**** (4.84) | 2.72E−01**** (4.85) |
Note(s): ****, ***, ** and * Indicate significance at the 0.001, 0.01, 0.05 and 0.10 levels (two-tailed), respectively
Controlled for acquisitions
Table 5 presents the results of negative binomial regression that examine the relation between DT and the number of records breached
Z values (in parentheses) are reported below the coefficient estimates and are based on robust standard error
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