Table 1.

Timeliness measures pre- and postintervention, broken down by facility type and province.

Level and indicator				Data source		Hanoi				Son La
					Preintervention		Postintervention	P value	Preintervention		Postintervention	P value
Overall
		Registration, n	N/Aa		33,861		35,622	N/A	6296		5706	N/A
		Days from birth date to NIISb registration dayc, mean (SD)	NIIS data export		18.6 (65.5)		5.7 (31.4)	<.001	36.1 (94.2)		11.7 (40.1)	<.001
Commune health center level
	Injections, n		N/A		197,497		148,601	N/A	55,958		48,807	N/A
		Days from injection date to injection updated in the NIIS, mean (SD)	NIIS data export		6.9 (49.1)		2.8 (17.5)	<.001	30.6 (101.4)		4.2 (20.6)	<.001
	Stock, n		N/A		76,483		79,573	N/A	12,596		12,168	N/A
		Days from stock arrival date to NIIS voucher datec, mean (SD)	NIIS data export		10.5 (36.1)		5.2 (19.8)	<.001	13.4 (38.1)		6. (23.5)	<.001
Fee-based immunization facility level
	Injections, n		N/A		202,889		313,117	N/A	1879		5459	N/A
		Days from injection date to injection updated in the NIIS, mean (SD)	NIIS data export		11.5 (64.7)		1.4 (11.7)	<.001	32.3 (98.0)		4.3 (26.0)	<.001
Hospital Level
	Injections, n		N/A		27,988		34,698	N/A	5710		7490	N/A
		Days from injection date to injection updated to the NIIS, mean (SD)	NIIS data export		11.6 (66.8)		1.9 (17.1)	<.001	9.0 (58.9)		1.9 (22.9)	<.001

^aN/A: not applicable.

^bNIIS: National Immunization Information System.

^cDependent variables were not normally distributed; therefore, the Wilcoxon-Mann-Whitney U test was used.