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Table 4 Univariable and multivariable logistic regression analysis of factors associated with composite postpartum infection outcome among all cohort participants, including in-hospital confirmed diagnosis of urinary tract infection, endometritis or bloodstream infection

From: Incidence of postpartum infection, outcomes and associated risk factors at Mbarara regional referral hospital in Uganda

  Univariable Multivariable
Characteristic OR (95% CI) P-value* OR (95% CI) P-value*
Cesarean delivery 7.7 (3.9–15.1) < 0.001 3.9 (1.5–10.3) 0.006
Number of days admitted to hospital 1.3 (1.2–1.4) < 0.001 1.2 (1.1–1.3) 0.001
Attended antenatal care ≥4 times 0.7 (0.4–1.2) 0.20 0.4 (0.2–0.9) 0.02
Multiparous 0.3 (0.2–0.5) < 0.001 0.5 (0.3–1.0) 0.06
Formal employment 0.6 (0.4–1.0) 0.04 0.7 (0.4–1.2) 0.20
Number of vaginal exams in labor 1.0 (0.9–1.1) 0.97 0.9 (0.8–1.1) 0.24
HIV-infected 1.0 (0.5–2.1) 0.91 1.4 (0.6–3.3) 0.49
Age 0.9 (0.8–0.9) < 0.001 0.9 (0.9–1.0) 0.08
Number of hours in labor 1.0 (1.0–1.0) 0.26 1.0 (1.0–1.0) 0.66
Referred from an outside facility 2.3 (1.4–4.0) 0.002 1.1 (0.5–2.4) 0.75
Diagnosis of obstructed labor 2.5 (1.3–4.6) 0.005 1.4 (0.6–3.2) 0.40
Admitted to the floor at any time 0.4 (0.3–0.7) < 0.001 0.8 (0.4–1.5) 0.45
Residence in Mbarara municipality 0.6 (0.4–1.0) 0.08 0.8 (0.4–1.5) 0.52
Number of days with a urinary catheter in place 1.8 (1.5–2.1) < 0.001 1.1 (0.8–1.4) 0.53
  1. CI confidence interval, OR odds ratio, STI sexually transmitted infection, HIV human immunodeficiency virus
  2. *Tests of association between cohort characteristics and the presence or absence of postpartum composite outcome were performed using univariable or multivariable logistic regression analysis