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Table 2 Mean TB knowledge score by demographic characteristics, TB diagnosis and first source of information on TB

From: Predictors of knowledge about tuberculosis: results from SANHANES I, a national, cross-sectional household survey in South Africa

  Total knowledge score
  Mean 95 % CI n
Total 4.07 [3.99–4.14] 5945
Age    
 18 to 24 4.07 [3.95–4.19] 1168
 25 to 34 4.11 [4.01–4.22] 1405
 35 to 44 4.09 [3.98–4.19] 1283
 45 to 54 4.02 [3.89–4.15] 1218
 55 to 64 3.98 [3.83–4.12] 871
Sex    
 Female 4.10 [4.02–4.18] 3509
 Male 4.03 [3.93–4.12] 2436
Race    
 African 4.02 [3.93–4.10] 3824
 White 4.22 [3.97–4.47] 312
 Coloured 4.26 [4.16–4.36] 1394
 Indian 4.15 [3.86–4.43] 415
Urban/Rural    
 Rural 3.91 [3.79–4.02] 1850
 Urban 4.14 [4.05–4.24] 4095
Completion of high school/equivalent    
 Did not complete high school 3.91 [3.82–3.99] 3774
 Completed high school (attained Gr12 or higher) 4.28 [4.17–4.39] 2171
Employment Status    
 Unemployed 3.94 [3.85–4.03] 3183
 Employed 4.19 [4.10–4.28] 2762
Annual income    
 No income 4.00 [3.88–4.12] 2118
 1–9600 4.05 [3.90–4.20] 682
 9601–38400 3.91 [3.80–4.02] 1896
 >–38401 4.35 [4.24–4.45] 1249
Have you ever been diagnosed with TB    
 No 4.05 [3.98–4.13] 5487
 Yes 4.27 [4.09–4.44] 458
Source of Knowledge: Where did you first learn about TB?    
Newspapers and magazines    
 No 4.06 [3.98–4.14] 4568
 Yes 4.08 [3.94–4.23] 1377
 Radio    
 No 3.97 [3.88–4.07] 3096
 Yes 4.16 [4.06–4.27] 2849
Television    
 No 3.92 [3.82–4.01] 3357
 Yes 4.24 [4.15–4.34] 2588
Brochures, pamphlets or other printed materials    
 No 4.03 [3.96–4.11] 5450
 Yes 4.40 [4.20–4.60] 495
Health workers    
 No 3.95 [3.86–4.05] 3710
 Yes 4.25 [4.17–4.33] 2235
Family, friends, neighbours, colleagues    
 No 4.09 [4.01–4.17] 4855
 Yes 3.96 [3.80–4.13] 1090
Teachers    
 No 3.99 [3.90–4.07] 4437
 Yes 4.32 [4.21–4.44] 1508
Other sources of information    
 No 4.08 [4.00–4.15] 5288
 Yes 3.96 [3.78–4.14] 657