Further , there were fewer episodes of diarrhoea and ARIs in the intervention group for ` whole families ' ( -@ % , @ % CI = -@ % , -@ % ; and -@ % , @ % CI = -@ % , -@ % , respectively ) , @ - to @-year-olds ( -@ % , @ % CI = -@ % , -@ % ; and -@ % , @ % CI = -@ % , -@ % ) and under @ s ( -@ % , @ % CI = -@ % , -@ % ; and -@ % , @ % CI = -@ % , -@ % ) .