The intervention did not reduce the incidence of tuberculosis , with rates of @ per @ person-years in the intervention clusters and @ per @ person-years in the control clusters ( rate ratio in the intervention clusters , @ ; @ % confidence interval -LSB- CI -RSB- , @ to @ ; P = @ ; adjusted rate ratio , @ ; @ % CI , @ to @ ; P = @ ) , or the prevalence of tuberculosis ( @ % vs. @ % ; adjusted prevalence ratio , @ ; @ % CI , @ to @ ; P = @ ) .