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Volume 19, Number 6—June 2013
Research

Effect of Winter School Breaks on Influenza-like Illness, Argentina, 2005–2008

Roberto C. GarzaComments to Author , Ricardo Basurto-Dávila, Ismael R. Ortega-Sanchez, Luis Oreste Carlino, Martin I. Meltzer, Rachel Albalak, Karina Balbuena, Pablo Orellano, Marc-Alain Widdowson, and Francisco Averhoff
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (R.C. Garza, I.R. Ortega-Sanchez, M.I. Meltzer, R. Albalak, M.-A. Widdowson, F. Averhoff); Los Angeles County Department of Public Health, Los Angeles, California, USA (R. Basurto-Dávila); Ministerio de Salud de la Nación, Buenos Aires, Argentina (L.O. Carlino, K. Balbuena, P. Orellano)

Main Article

Table 3

: Estimated reduction in number of influenza-like illness cases as a result of winter school breaks in Argentina, Argentina, 2005–2008*

Patient age, y Region, no. cases prevented (% reduction; 95% CI)
Argentina Pampas Noroeste Gran Chaco Mesopotamia Cuyo Patagonia
0–4 7,044
(5; −4 to 15) 9,875
(18; 5 to 32) 908
(5; −6 to 16) 1,380
(8; −4 to 19) 576
(2; −8 to 13) 141
(2; −20 to 24) 514
(12; −10 to 33)
5–14 38,916
(33; 19 to 47) 19,907
(39; 19 to 59) 5,639
(28; 12 to 44) 4,776
(33; 15 to 51) 4,683
(24; 9 to 39) 3,244
(48; 19 to 77) 2,293
(44; 19 to 69)
15–24 10,064
(14; 1 to 26) 4,388
(15; 2 to 29) 3,365
(21; 7 to 36) 2,126
(27; 10 to 43) 1,395
(12; −1 to 26) 1,017
(18; −3 to 40) 1,178
(23; 6 to 39)
25–44 16,074
(13; 0 to 26) 9,519
(20; 6 to 34) 5,715
(21; 9 to 33) 3,170
(25; 10 to 40) 1,235
(9; −4 to 21) 2,239
(23; 4 to 42) 1,236
(13; 1 to 26)
45–64 6,583
(10; −3 to 23) 3,711
(13; 1 to 26) 4,076
(28; 15 to 41) 1,424
(22; 5 to 39) 518
(6; −7 to 20) 419
(8; −11 to 27) 335
(7; −6 to 21)
>65
 −1,136
(−4; −19 to 11)
 1,067
(9; −5 to 22)
 263
(5; −10 to 20)
 517
(18; −1 to 37)
 −164
(−4; −18 to 9)
 −136
(−8; −34 to 18)
 54
(4; −20 to 27)
Total
 77,545 (14)
 48,467 (22)
 19,966 (19)
 13,393 (22)
 8,243 (10)
 6,924 (20)
 5,610 (18)
*Except for the last row, each cell represents a separate regression model. Boldface indicates significant changes at the 0.05 confidence level. No confidence intervals are reported in the last row because those cells only represent the sum of other cells in each column.

Main Article

Page created: May 20, 2013
Page updated: May 20, 2013
Page reviewed: May 20, 2013
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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