Table 2

Internal consistency: consistency between data elements with a predictable relationship (n=492 facilities)

Data elements with a predictable relationship	ICC, Preintervention (95% CI)	ICC, Intervention 95% CI	P value
Concurrent tallying within and across facility documentation
Normal+caesarean+assisted deliveries=livebirths+stillbirths	0.83 (0.73 to 0.94)	0.95 (0.93 to 0.98)	0.023
Total postnatal care visits=sum (postnatal care visit categories)	0.46 (0.36 to 0.57)	0.76 (0.66 to 0.85)	<0.001
Relationship between first antenatal care visits and
Antenatal care anaemia testing	0.39 (0.18 to 0.59)	0.51 (0.35 to 0.68)	0.016
Antenatal care syphilis testing	0.19 (0.09 to 0.29)	0.49 (0.37 to 0.60)	0.003
At least one dose of intermittent preventive treatment of malaria	0.33 (0.17 to 0.48)	0.43 (0.32 to 0.54)	0.129
At least one dose of tetanus-toxoid vaccine	0.67 (0.53 to 0.80)	0.73 (0.65 to 0.82)	0.167
Relationship between total antenatal care visits and
Iron-folic acid supplementation	0.92 (0.89 to 0.95)	0.97 (0.95 to 0.99)	0.005
Relationship between facility deliveries and
Baby weighed at birth	0.82 (0.71 to 0.93)	0.94 (0.92 to 0.97)	<0.001
Delivery by skilled birth attendant	0.42 (0.26 to 0.59)	0.87 (0.80 to 0.94)	<0.001
Oral polio vaccine given at birth	0.48 (0.32 to 0.63)	0.72 (0.65 to 0.79)	0.007
Early postpartum-postnatal care within 3 days of birth	0.09 (0.06 to 0.13)	0.19 (0.13 to 0.24)	<0.001
BCG vaccine given during postnatal period	0.56 (0.40 to 0.72)	0.67 (0.57 to 0.76)	0.147

ICC values range from 0 to 1, with values approaching 1 representing greater agreement.
ICC, intraclass correlation coefficient.