Table 3 Background information for the recruits
Item | Basic information |
|---|---|
Male/Female (n) | 722/78 |
Age(year) | 18.9 ± 1.69 |
Life style [n (%)] | |
Smoke | 360(45) |
Drunk | 352(44) |
Medical history [n (%)] | |
Tonsillectomy | 14(1.8) |
Recurrent respiratory infection | 37(4.6) |
History of measles | 20(2.5) |
Chicken pox | 241(30.1) |
Influenza vaccinationa | 9(1.1) |
National planned vaccination rate | 758(94.8) |