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Table 4 Multivariate logistic regression of factors associated with institutional delivery among women that delivered in two years preceding the survey in Rufiji, Kilombero, and Ulanga districts of Tanzania, 2011 (n = 812)

From: Access to institutional delivery care and reasons for home delivery in three districts of Tanzania

Covariate Odds Ratio (OR) 95% Confidence Interval (CI)
ANC score 1.11*** 1.04—1.18
Wealth Quintile   
Q1 (reference) 1.00
Q2 0.95 0.59—1.56
Q3 1.23 0.69—2.19
Q4 1.82* 0.96—3.46
Q5 (Wealthiest) 3.24*** 1.40—7.48
Gravidity
1 pregnancy (reference) 1.00
2—4 pregnancies 0.65 0.38—1.09
>4 pregnancies 0.66 0.38—1.16
Ability to read a letter or newspaper
Not at all (reference) 1.00
With difficulty 1.11 0.65—1.89
Easily 1.48* 0.96—2.27
Marital status
Married (reference) 1.00
Ever married 1.04 0.48—2.25
Single 1.31 0.73—2.34
Ethnicity   
Pogoro (reference) 1.00
Ndengereko 0.97 0.40—2.33
Ngindo 0.59 0.29—1.19
Sukuma 0.40** 0.16—0.96
Others 0.88 0.49—1.59
Religion
Muslim (reference) 1.00
Christian 0.63** 0.40—0.995
Other 0.47 0.15—1.40
District of residence
Kilombero (reference) 1.00
Rufiji 1.42 0.71—2.83
Ulanga 3.02*** 1.62—5.61
Urban residence: (ref = rural) 1.44 0.83—2.51
Presence of Inter-spousal discussion about family planning: (ref = absence) 1.72*** 1.17—2.52
  1. ***P < 0.01, **P < 0.05, *P < 0.10; Goodness-of-fit test, P = 0.204; ANC score was created based on 15 antenatal services, with a minimum score of 0 if no service was received and a maximum of 15 if all services were received (see Figure 1 and Table 3 for details of the services).