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. 2013 Aug 26;8(8):e72243. doi: 10.1371/journal.pone.0072243

Table 1. Influenza vaccination status for students with and without FERPA consent to monitor absences.

Influenza Vaccination status Exposed schools Non-exposed schools All Schools
Consented* Non-consented Total Consented* Non-consented Total
No. (%) No. (%) No. (%) No. (%) No. (%) No. (%) No. (%)
Fully vaccinated 350 (63.5) 171 (38.2) 521 (52.2) 124 (32.1) 58 (21.2) 182 (27.6) 703 (42.4)
Partially vaccinated 39 (7.1) 34 (7.6) 73 (7.3) 35 (9.1) 25 (9.1) 60 (9.1) 133 (8.0)
Not vaccinated 162 (29.4) 243 (54.2) 405 (40.5) 227 (58.8) 191 (69.7) 418 (63.3) 823 (49.6)
Total 551 448 999 386 274 660 1659
*

students with parental FERPA consent.

Vaccination status and enrollment was determined as of January 3, 2011.