In multivariable analysis , having a child under 5 years of age was the only variable associated with bednet use ( OR 9.10 ; p = 0.001 ) , yielding a 99 % likelihood of using a bednet ( 95 % CI 96.4 to 99.9 % ) versus 82 % ( 95 % CI 72.2 to 88.4 % ) in households without young children .