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Table 1 Baseline characteristics of reporting units

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

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