Impact of two interventions on timeliness and data quality of an electronic disease surveillance system in a resource limited setting (Peru): a prospective evaluation

Table 1 Baseline characteristics of reporting units

Baseline characteristics	All	p-value (*)	Phone	Visits	Control	p-value (**)
Clinics (n = 18)
Number of reporting personnel (median)	4	0.007	3	4	3	0.799
Reporting media (# Units)		0.052				0.435
Phone	6		3	1	2
Internet	3		1	2	0
Phone & Internet	9		2	3	4
Time in Alerta (months, median)	21	0.005	28.5	21.5	22	0.703
Ships (n = 22)
Number of reporting personnel(median)	2		3	2	2	0.922
Reporting media (# Units)						0.854
Phone	14		5	5	4
Internet	0		0	0	0
Phone & Internet	8		3	2	3
Time in Alerta (months, median)	19		20	19	18	0.994

(*) p-value obtained when comparing clinics and ships
(**) p-value obtained when comparing phone, visits and control group in each type of unit (clinic or ship).

ISSN: 1472-6947