Table 1.

Baseline characteristics of children seen by region.

	Darwin Rural	East Arnhem	Katherine District	Central Australia	All Regions
	No. (%)	No. (%)	No. (%)	No. (%)	No. (%)
Total Children Listed	347	330	144	229	1050
Eligible Children	299 (100%)	310 (100%)	123 (100%)	184 (100%)	916 (100%)
Eligible Children present during study visit	270 (90%)	253 (82%)	87 (71%)	161 (88%)	771 (84%)
Eligible Children present during study visit and examination performed	260 (87%)	230 (74%)	83 (67%)	136 (74%)	709 (77%)
Mean Age (months)	18.3	15.8	16.7	19.1	17.4
Male	123 (48%)	126 (55%)	44 (52%)	67 (49%)	360 (51%)
History of AOM	216 (83%)	157 (68%)	49 (59%)	106 (78%)	528 (76%)
History of perforation	110 (42%)	86 (37%)	36 (43%)	70 (51%)	302 (44%)

Abbreviations: No. = number; % = percent; AOM= acute otitis media.