Characteristic | Number (%) |
---|---|
Age (years) | Â |
   0–5 | 20,213 (28.9%) |
   6–21 | 21,843 (31.2%) |
   22–44 | 17,125 (24.5%) |
   45 and older | 10,755 (15.4%) |
Gender | Â |
   Male | 26,602 (38.0%) |
   Female | 43,334 (62.0%) |
Race | Â |
   White | 58,663 (83.9%) |
   Nonwhite | 11,273 (16.1%) |
Number of URI episodes in one year | Â |
   1 | 46,765 (66.9%) |
   2 | 13,839 (19.8%) |
   3 or more | 9,332 (13.3%) |
Diagnosis of index URI episode | Â |
   Acute bronchitis | 19,344 (27.7%) |
   Common cold | 1,818 (2.6%) |
   Influenza with respiratory symptoms | 1,682 (2.4%) |
   Acute URI, other sites or not specified | 47,092 (67.3%) |
Presence of concurrent acute illnesses | Â |
   Any acute condition | 10,012 (14%) |
   Otitis media | 5,505 (8) |
   Acute sinusitis | 2,373 (3) |
   Chronic sinusitis | 1,023 (1) |
   Pneumonia | 575 (< 1) |
   Strep pharyngitis | 540 (< 1) |
   Cellulitis | 117 (< 1) |
   Urinary tract infection | 68 (< 1) |
   Bacteremia | 13 (< 1) |
History of chronic comorbid conditions* | Â |
   Yes | 1,763 (2.5%) |
   No | 68,173 (97.5%) |
Physician specialty for index URI episode | Â |
   Family practice, general practice or internal medicine | 28,320 (40.5%) |
   Pediatrics | 4,139 (5.9%) |
   Emergency medicine | 4,411 (6.3%) |
   Other specialty | 33,066 (47.3%) |
Season of index URI episode | Â |
   Winter | 24,575 (35.1%) |
   Spring | 15,786 (22.6%) |
   Summer | 10,650 (15.2%) |
   Fall | 18,925 (27.1%) |