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Table 3 Factors associated with composite TB knowledge score

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

Background characteristics

Composite TB Knowledge score

Simple regression

Multiple regression

Unstandardized co–eff (β)

s.e.

p-value

Unstandardized co-eff (β)

s.e.

p-value

Age (years)

      

 18 to 24

      

 25 to 34

0.044

0.071

0.539

−0.01

0.066

0.875

 35 to 44

0.017

0.075

0.825

−0.055

0.077

0.475

 45 to 54

−0.05

0.07

0.476

−0.084

0.072

0.245

 55 to 64

−0.094

0.089

0.292

0.027

0.087

0.756

Sex: Male vs Female

−0.074

0.043

0.084

−0.101*

0.044

0.022

Race

      

 African

ref

-

-

   

 White

0.201

0.131

0.127

−0.021

0.125

0.867

 Coloured

0.246***

0.064

<0.001

0.245***

0.067

<0.001

 Indian

0.13

0.151

0.388

0.047

0.119

0.69

Urban vs Rural

0.236**

0.075

0.002

0.069

0.073

0.345

Completion of high school/equivalent

      

 Did not complete high school

ref

-

-

   

 Completed high school (attained Gr12 or higher)

0.369***

0.066

<0.001

0.249***

0.061

<0.001

Employed vs Unemployed

0.25***

0.053

<0.001

0.224**

0.079

0.005

Annual Income

      

No income

ref

-

-

   

 <= R 9 600

0.051

0.085

0.545

0.004

0.086

0.961

 R 9 601 - R 38 400

−0.087

0.078

0.265

−0.193

0.098

0.05

 > = R 38 401

0.346***

0.076

<0.001

0.058

0.122

0.637

Ever diagnosed with TB

0.213*

0.094

0.023

0.364***

0.089

<0.001

Source of Knowledge: Where did you first learn about TB?

      

 Newspapers and magazines

0.021

0.082

0.803

   

 Radio

0.193**

0.066

0.004

0.14

0.072

0.052

 Television

0.327***

0.061

<0.001

0.28***

0.066

<0.001

 Brochures, pamphlets, other printed materials

0.367**

0.112

0.001

0.261*

0.115

0.023

 Health Workers

0.299***

0.054

<0.001

0.366***

0.049

<0.001

 Family, friends, neighbours, colleagues

−0.124

0.093

0.184

   

 Teachers

0.338***

0.069

<0.001

0.37***

0.072

<0.001

 Other sources of information

−0.119

0.089

0.182

   

 (constant)

   

3.42***

0.089

<0.001

  1. *p < 0.05, **p < 0.01, ***p < 0.001
  2. F(20,423) = 11.11, p < 0.0001
  3. R-squared = 0.0915
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BMC Public Health

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