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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