Study participants and sample size calculation
TB, Tuberculosis
TUBERCULOSIS
For the enrolment screening, eligible participants were required to (1) be aged 18–75 years; (2) be local household registration of rural residents or continuous residence at the study site for at least six months [The RCT inclusion criteria were (1) residents with radiographical lesions suggestive of inactive TB, which were adapted from the National Health Industry Standard on Classification of Tuberculosis (WS196-2017) [The sample size was calculated with the aim of reducing TB incidence in the intervention group by 70% in two years with a risk of active TB development of 2.6% in intervention group [