Table 3

Univariate analysis: participant characteristics associated with knowledge and attitude scores

Knowledge scoreAttitude score
Coefficient95% CICoefficient95% CI
Estimate10.997.80 to 11.358.196.99 to 9.38
Sex
 Female†
 Male0.68*0.15 to 1.22−0.40*−0.77 to −0.03
Ethnicity
 Chinese†
 Malay−0.69−1.81 to −0.43−1.04**−1.76 to −0.33
 Indian0.23−0.62 to 1.08−0.32−0.89 to 0.25
 Other−0.13−1.61 to 1.350.25−0.73 to 1.22
Age−0.03*−0.06 to −0.010.01−0.00 to 0.03
Education
 University†
 Primary (Primary School Leaving Examination)−0.47−4.48 to 3.53−1.10−3.06 to 0.86
 Secondary (‘O’/’N’ level)−1.64***−2.53 to −0.75−1.16***−1.71 to −0.60
 ‘A’ level/polytechnic/diploma0.33−0.26 to 0.94−0.50*−0.94 to −0.06
 Institute of Technical Education (ITE)/National Technical Certificate (NTC)0.06−1.92 to 2.04−0.13−1.17 to 0.91
Housing
 5–room HDB/executive flat†
 1 to 2-room HDB‡0.23−2.13 to 2.59−0.59−1.79 to 0.62
 3–room HDB−1.01*−1.90 to −0.13−0.83**−1.42 to −0.24
 4–room HDB−0.24−0.81 to 0.34−0.37−0.78 to 0.05
 Condominium0.22−1.13 to 1.56−0.56−1.56 to 0.44
 Landed house−1.02−2.79 to 0.740.78−0.73 to 2.28
Income
 <$2000†
 $2000–$3999−0.80−1.91 to 0.31−0.26−0.95 to 0.42
 $4000–$5999−0.49−1.63 to 0.65−0.24−0.95 to 0.48
 $6000–$10 000−0.21−1.35 to 0.94−0.12−0.84 to 0.60
 >$10 0000.40−0.83 to 1.62−0.17−1.01 to 0.68
Marital status
 Married†
 Divorced−0.34−1.97 to 1.290.04−0.88 to 0.96
 Never married0.23−0.44 to 0.91−0.32−0.79 to 0.14
 Widowed−0.71−3.50 to 2.19−0.34−1.95 to 1.29
 Separated but not divorced2.02−1.80 to 5.830.85−1.85 to 3.56
Adjusted R2=0.12Adjusted R2=0.05
  • *P≤0.05; **p≤0.01; ***p≤0.001.

  • †Reference groups.

  • ‡Public housing in Singapore managed by the Housing and Development Board (HDB).