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Table 4 Logistic regression model of performance of vacuum extraction in the last 3 months

From: Factors related to the practice of vacuum-assisted birth: findings from provider interviews in Kigoma, Tanzania

  Adjusted Odds Ratios 95% Confidence Intervals
Lower Upper
Administrative Council
 Kigoma Municipality ref.   
 Other councils 2.671 1.023 6.976
Type of facility
 Hospital ref.   
 Health center 2.107 1.153 3.850
Sex of provider
 Male 1.951 1.072 3.550
 Female ref.   
Training index
 0–6 modalities ref.   
 7–9 modalities 7.781 4.169 14.524
Knowledge summary score
 Top 25% 1.822 0.982 3.382
 Lower 75% ref.   
  1. ref. reference group; number of cases = 296
  2. Bolded AORs are significant (95% CIs do not contain integer 1)