Table 1

 Baseline demographic and clinical characteristics. Values are numbers (percentages) unless stated otherwise

Characteristicn-3 LCPUFA (n=368)Control (n=338)
Mean (SD) mother’s age at trial entry (years) 29.6 (5.7)29.5 (5.6)
Parity zero150 (41)131 (39)
Maternal smoking during pregnancy47 (13)45 (13)
Mother completed secondary education232 (63)222 (66)
Father completed secondary education196 (53)182 (54)
Maternal history of allergic disease:257 (70)236 (70)
 Eczema92 (25)63 (19)
 Asthma156 (42)148 (44)
 Allergic rhinitis133 (36)121 (36)
Paternal history of allergic disease:207 (56)178 (53)
 Eczema53 (14)37 (11)
 Asthma122 (33)86 (25)
 Allergic rhinitis108 (29)109 (32)
Both parents with history of allergic disease109 (30)97 (29)
Infant’s sex male169 (46)168 (50)

LCPUFA=long chain polyunsaturated fatty acid.