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Table 7 Multivariable mixed-effect Cox proportional hazard regression analysis of explanatory variables associated with the incidence of mortality in calves under six months of age in Jimma town

From: Calf morbidity, mortality, and management practices in dairy farms in Jimma City, Southwestern Ethiopia

Variables

Levels

HR (95%CI)

P-value

Dam parity

Multiparous

1

0.007

Primiparous

9.60 (1.86–49.48)

Pen cleaning

Regularly

1

0.04

Infrequently

7.97 (1.04–60.89)

Calving status

Normal

1

0.005

Dystocia

17.23 (2.41-123.31)

Floor type

Concrete

1

0.001

Soil

153.54 (6.91-3410.85

  1.  h*= Hazard ratio, CI= confidence interval, hr.= hour, NA= not applicable
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BMC Veterinary Research

ISSN: 1746-6148

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