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Table 1 Questionnaire survey results of the 512 TB suspects identified from the TB prevalence survey in Shandong, China

From: Changes in pulmonary tuberculosis prevalence: evidence from the 2010 population survey in a populous province of China

  Sputum positive cases (%) Bacteriologically confirmed cases (%) All cases (%) Non-TB cases (%) Total
Total 11 (2) 19 (4) 172 (34) 340 (66) 512
Age      
  15-64 years old 5 (45) 10 (53) 73 (42) 147 (43) 220 (43)
  65 years and older 6 (55) 9 (47) 99 (58) 193 (57) 292 (57)
Occupation      
  Government 1 (9) 1 (5) 9 (5) 30 (9) 39 (8)
  Sales persons 0 1 (5) 7 (4) 12 (4) 19 (4)
  Migrant workers 0 2 (11) 14 (8) 26 (8) 40 (8)
  Farmers 7 (64) 10 (53) 80 (47) 136 (40) 216 (42)
  Jobless 3 (27) 5 (26) 49 (28) 91 (27) 140 (27)
  Others 0 0 13 (8) 45 (13) 58 (11)
Education      
Illiterate 4 (36) 8 (42) 82 (48)a 126 (37) 208 (41)
  Under high school 6 (55) 8 (42) 80 (47) 159 (47) 239 (47)
  High school and above 1 (9) 3 (16) 10 (6)b 55 (16) 65 (13)
Smoking status      
Smokers 5 (45) 7 (37) 56 (33) 102 (30) 158 (31)
  Non smokers 6 (55) 12 (63) 116 (67) 238 (70) 354 (69)
Per capita household income (RMB per year) 3297 3374c 4971c 7272 6495
  1. aIlliterates had the highest proportion of TB cases compared with people with other educational backgrounds (x2 = 5.336, P = 0.021).
  2. bPeople with high education or above had the lowest proportion of TB cases compared with people with other educational backgrounds (x2 = 11.066, P<0.001).
  3. cAverage per capita income of patients who were bacteriologically confirmedcases (Z = -2.126, P = 0.034) and all TB cases (Z = -3.673, P<0.001) were significantly lower than that of people who did not have TB. (1USD = 6.6RMB in 2010).