Epi Info 2000, a database and statistics program for public health professionals for use with Windows 95, 98, NT, and 2000 computers; Centers for Disease Control and Prevention, Atlanta, Georgia, USA, 2000).
Statistical analyses used Epi Info database and statistics software for public health professionals (Centers for Disease Control and Prevention, Atlanta, GA, USA).
The data were analyzed statistically by the Student's t-test using EPI INFO 6.04 (Database and Statistics Program for Public Health) computer software.
The data were analyzed statistically using Student's t test using EPI-INFO 6.04 (Database and Statistics Program for Public Health) computer software.
EPI Info version 6 was used for data entry [ EPI Info: a word processing database and statistics program for public health; Version 6. Atlanta, GA: Center for Disease Control and Prevention; 1995].
Statistical analysis was carried out using the EpiInfo 6.04 b January 1997 package (A word Processing Database and Statistics Programme for Public Health, Centre for Disease Control and Prevention and World Health Organisation, Geneva, Switzerland).
This robust freeware product provided by CDC is one of the best-kept secrets of epidemiologists, and researchers in allied fields can benefit from reading about this comprehensive database and statistics software for public health professions (available from: URL: http://www.cdc.gov/epiinfo).
SPSS software program (SPSS, Inc., Chicago, IL, USA) was used for the database and statistics.
SPSS software (SPSS Inc., Chicago, Illinois, USA) was used for the database and statistics.
All collected data were double-entered into a computerized database using a word processing, database, and statistics program (EPI INFO version 3.04d, centres for Disease Control & Prevention, USA; World Health Organization, Geneva, Switzerland) with custom-designed algorithms and cross-checks to verify for correctness and internal consistency.
