The effect of a new maternity unit on maternal outcomes in rural Haiti: an interrupted time series study

MacDonald, Tonya; Dorcely, Olès; Ewusie, Joycelyne E.; Darling, Elizabeth K.; Moll, Sandra; Mbuagbaw, Lawrence

doi:10.1186/s12884-021-04062-3

BMC Pregnancy and Childbirth

Table 2 Outcomes predicting proportions of each maternal-neonatal variable to total monthly births

From: The effect of a new maternity unit on maternal outcomes in rural Haiti: an interrupted time series study

Outcome	Beta Coefficient	95% Confidence Interval	P value
Maternal variables
Physiological births^a
Preintervention baseline level ß₀	0.693	0.649 to 0.736	< 0.001
Preintervention trend ß₁	0.001	−0.001 to 0.004	0.385
Postintervention level change ß₂	−0.070	−0.110 to − 0.029	0.001
Postintervention trend change ß₃	−0.003	− 0.008 to 0.002	0.264
F(3,36) = 7.82; p < 0.001
Caesarean births^a
Preintervention baseline level ß₀	0.308	0.266 to 0.350	< 0.001
Preintervention trend ß₁	−0.001	−0.004 to 0.002	0.449
Postintervention level change ß₂	0.067	0.026 to 0.107	0.002
Postintervention trend change ß₃	0.003	−0.002 to 0.007	0.310
F(3,36) = 7.17; p < 0.001
Postpartum hemorrhage^a
Preintervention baseline level ß₀	0.001	−0.001 to 0.004	0.222
Preintervention trend ß₁	0.000	0.000 to 0.000	0.533
Postintervention level change ß₂	0.005	−0.002 to 0.012	0.150
Postintervention trend change ß₃	0.000	−0.001 to 0.001	0.922
F(3,36) = 1.74; p = 0.175
Maternal deaths^a
Preintervention baseline level ß₀	0.001	−0.002 to 0.004	0.507
Preintervention trend ß₁	0.000	0.000 to 0.001	0.220
Postintervention level change ß₂	−0.004	− 0.009 to 0.002	0.181
Postintervention trend change ß₃	0.000	0.000 to 0.000	0.835
F(3,36) = 1.13; p = 0.349
Neonatal variables
Stillbirths^a
Preintervention baseline level ß₀	0.083	0.070 to 0.097	< 0.001
Preintervention trend ß₁	−0.001	−0.002 to 0.000	0.074
Postintervention level change ß₂	0.006	−0.022 to 0.035	0.653
Postintervention trend change ß₃	0.000	−0.002 to 0.002	0.826
F(3,36) = 3.40; p = 0.028
Undesirable outcomes^a
Preintervention baseline level ß₀	0.028	−0.043 to 0.099	0.433
Preintervention trend ß₁	0.018	0.013 to 0.024	< 0.001
Postintervention level change ß₂	−0.144	− 0.255 to − 0.033	0.012
Postintervention trend change ß₃	− 0.018	− 0.026 to − 0.009	< 0.001
F(3,36) = 16.52; p < 0.001

^aParameter as the proportion of the variable with respect to total monthly births

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ISSN: 1471-2393

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