Does there seem to be any difference in the effect of the antibiotics on clearance of otitis media? Express your results in terms of relative risk (RR). Consider separate analyses for unilateral and bilateral cases. Also consider an analysis combining the two types of cases.

Table 3.12 Format for EAR.DAT

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Variable Format or code Column ID 1-3 Clearance by 14 days 1= yes/0 = no Antibiotic 1= CEF/2 = AMO 7 Age 1= <2 yrs/2 = 2-5 yrs 3 = 6+ yrs Ear 1= 1st ear/2 = 2nd ear 11