Table 3

 Percentage (number) of children with related outcomes by age and year of survey

1993199519992001χ2p for trend
>3 courses of antibiotics at age:
128.2 (53/188)19.1 (21/110)26.6 (29/109)18.1 (19/105)2.3840.12
228.4 (57/201)26.4 (34/129)16.3 (17/104)20.2 (19/94)4.6860.03
325.9 (53/205)26.9 (36/134)24.3 (27/111)12.0 (12/100)5.7160.02
426.1 (46/176)19.1 (29/152)22.6 (26/115)18.1 (17/94)1.7680.18
Hay fever/eczema at age:
130.1 (56/186)29.4 (32/109)22.4 (24/107)29.0 (31/107)0.4530.50
225.5 (51/200)32.0 (41/128)31.1 (32/103)26.9 (25/93)0.2410.62
323.6 (49/208)27.1 (36/133)36.9 (41/111)25.2 (26/103)1.4160.23
432.8 (58/177)22.6 (35/155)25.9 (30/116)34.0 (32/94)0.0010.98
Family history of asthma at age:
160.6 (114/188)61.8 (68/110)64.5 (71/110)59.4 (63/106)0.0020.96
261.6 (125/203)69.2 (90/130)62.7 (64/102)67.7 (63/93)0.6520.42
358.0 (120/207)62.7 (84/134)70.4 (81/115)64.1 (66/103)2.7580.10
466.9 (117/175)64.1 (100/156)63.5 (73/115)69.9 (65/93)0.0640.80