The FUF group had fewer episodes and shorter duration of ARI ( mean days -LSB- SE -RSB- ; control = @ -LSB- @ -RSB- ; FUF = @ -LSB- @ -RSB- ; P = @ ) , less antibiotic use ( n -LSB- % -RSB- ; control = @ -LSB- @ % -RSB- ; FUF = @ -LSB- @ % -RSB- ; P = @ ) , and fewer missed days of day care due to illness .