TABLE 2

Demographic Characteristics of the Population

CharacteristicAsthma (n = 22 186)Bronchiolitis (n = 14 882)Pneumonia (n = 12 983)
Age, y
 <1 NA11 227 (75.4)2244 (17.3)
 1–23155 (14.2)3655 (24.6)3659 (28.2)
 3–57995 (36)NA3198 (24.6)
 6–128961 (40.4)NA2961 (22.8)
 13–182075 (9.4)NA921 (7.1)
Season
 Spring6172 (27.8)3524 (23.7)3333 (25.7)
 Summer3177 (14.3)717 (4.8)1948 (15)
 Fall7571 (34.1)2485 (16.7)2995 (23.1)
 Winter5266 (23.7)8156 (54.8)4707 (36.3)
Census region
 Northeast3606 (16.3)1557 (10.5)1287 (9.9)
 South9247 (41.7)6097 (41)5894 (45.4)
 Midwest5249 (23.7)3797 (25.5)2740 (21.1)
 West4084 (18.4)3431 (23.1)3062 (23.6)
Government payer14 391 (64.9)9910 (66.6)7427 (57.2)
Race
 Non-Hispanic white5493 (24.8)6174 (41.5)5595 (43.1)
 Non-Hispanic black10 024 (45.2)3219 (21.6)2480 (19.1)
 Hispanic3828 (17.3)3452 (23.2)2822 (21.7)
 Asian371 (1.7)296 (2)395 (3)
 Other2470 (11.1)1741 (11.7)1691 (13)
Male gender14 105 (63.6)8754 (58.8)6823 (52.6)
  • Data are given as number (%). NA, not applicable based on disease definition.