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Table 1 Demographic characteristics of enrolled residents and tuberculosis cases diagnosed by active case finding screening in Yunnan, 2013–2015

From: Role of community-based active case finding in screening tuberculosis in Yunnan province of China

CharacteristicCumulative enrolled resident(n)Cumulative tuberculosis diagnosis
(n)
Cumulative
tuberculosis incidence a
χ2P valueNNS b
Sex
 male47 5153879.92.10.151250
 female50 0062855.9  1786
Age (years)
  < 1519 06915.2183.0<  0.0119 069
 15–3421 288628.2  3548
 35–6446 1471736.8  2715
  ≥ 6511 01742381.2  262
Occupation
 children/students/teachers28 534517.5 <  0.01ǁ5707
 farmer/worker17 897633.5  2983
 medical staff87100.0   
 government employees297200.0   
 retired13 53433243.8  410
 unemployed26 8862074.4  1344
 others6827229.3  3414
Education
 no schooling903117188.2 <  0.01ǁ531
 primary school23 3941876.9  1300
 middle school36 0352055.5  1802
 high school16 170530.9  3234
 college and above12 065649.7  2011
 missing82600.0   
Ethnicity
 Han89 5775864.81.390.241544
 Other minority79448100.7  993
BMI (kg/m2)c
  < 18.5557311197.4 <  0.01ǁ507
 18.5–24.952 9904788.7  1128
 25.0–29.913 720536.4  2744
  ≥ 30.01435169.7  1435
 missing23 80328.4  11 902
  1. a: TB Incidence proportion = new TB cases/population in ACF area× 100 000
  2. b: NNS = number needed to screen to detect one case
  3. c: BMI = body mass index
  4. ǁ Fisher’s exact test