Which of the following describes the data sources for this s

Which of the following describes the data sources for this study? Select all that apply.

(a.) Data on injury related deaths came from California death certificates for 1996-1998.

(b.) Data were accumulated for two years in order to produce larger study numbers and therefore more stable incidence and mortality rates.

(c.) Data on injury related hospitalizations came from hospital discharge data for California hospitals in 1996-1998.

(d.) Injuries were grouped according to the National Center for Injury Prevention and Control recommended groupings of e-codes.

(e.) Data on unintentional fatal injuries were obtained from NCHS.

Solution

option 1 3 and 4