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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: Matern Child Health J. 2011 Aug;15(6):814–821. doi: 10.1007/s10995-010-0644-1

Table 3.

Estimated population coverage (EPC) of TTT agencies

TTT training cycles Number of
TTT agencies
Cumulative number of TTT
agencies w/unique Zipcodes
Cumulative EPC number
(percent) of Iowans
TTT-1 14 13 1,079,278 (36.83)
TTT-II 11 22 1,496,950 (51.09)
TTT-III 7 26 1,705,539 (58.21)