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Table 2 Socio-demographic differences in mean knowledge score and multiple linear regression analysis of socio-demographic variables predicting knowledge of thalassaemia (N = 2846)

From: Public perceptions and attitudes toward thalassaemia: Influencing factors in a multi-racial population

Socio-demographic variables

 

Total knowledge

(0-21 items scale)

Linear regression model

F (9, 2836) = 3.158, P< 0.01,

Adjusted R 2 = 0.007

 

N

Mean ± SD

P

Unstandardized beta

coefficient (SE)

Gender

    

Male

809

11.80 ± 4.06

 

-

Female

2037

11.87 ± 4.03

0.71

 

Marital status

    

Never married

970

11.83 ± 4.05

 

-

Ever married

1876

11.86 ± 4.02

0.83

 

Ethnicity

    

Malay bumiputra

2050

11.90 ± 3.86

  

Chinese

484

11.58 ± 4.63

  

Indian

153

12.08 ± 4.19

0.56

-

Non-Malay bumiputra

154

11.88 ± 4.09

  

Others

5

11.20 ± 6.03

  

Age

    

18-35

658

11.64 ± 4.04

 

-0.036 (0.20)

26-35

798

11.93 ± 3.97

 

0.13 (0.24)

36-45

907

12.03 ± 3.89

0.17

0.29 (0.23)

46-55

483

11.67 ± 4.38

 

Reference

Highest education attainment

    

Primary school

139

11.39 ± 4.12

 

-0.30 (0.39)

Secondary school

1431

11.70 ± 3.97

0.023*

-0.15(0.18)

University

1276

12.07 ± 4.09

 

Reference

Occupation

    

Employed

1741

12.01 ± 4.06

 

0.18 (0.17)

Unemployed

1105

11.60 ± 3.98

0.008**

Reference

Average monthly household income (RM)

    

<2000

1083

11.47 ± 3.86

 

-0.68 (0.22) **

2001-4000

984

11.87 ± 4.05

0.000***

-0.39 (0.20) *

>4001

753

12.35 ± 4.23

 

Reference

Locality

    

Urban

1794

11.96 ± 4.14

 

0.13 (0.16)

Rural

1052

11.66 ± 3.85

0.052

Reference

  1. * P < 0.05; ** P < 0.01; *** P < 0.001
  2. Subtotals may vary owing to missing data