Categorical variable | Mean(SD) | pvalue | |
---|---|---|---|
Gender | Male | 6.28 (1.82) | |
Female | 6.40 (1.77) | 0.73 | |
Age | 18-21 | 5.86 (1.87) | |
≥ 22 | 6.68 (1.66) | 0.01 | |
Ethnicity* | Malay | 6.31 (1.81) | |
Chinese | 8.33 (1.53) | ||
Indian | 6.33 (1.75) | ||
Others | 6.33 (1.51) | 0.29 | |
Mother’s education level * | Non-formal education | 6.99 (1.56) | |
High school or less | 6.32 (1.58) | ||
Tertiary education | 6.19 (1.99) | 0.25 | |
Father’s education level * | Non-formal education | 7.05 (1.76) | |
High school or less | 6.32 (1.68) | ||
Tertiary education | 6.19 (1.99) | 0.16 | |
Monthly household income* | ≤3000 | 6.36 (1.71) | |
3001-4999 | 6.23 (1.54) | ||
≥5000 | 6.47 (2.11) | 0.88 | |
Living arrangement | Alone | 6.40 (1.79) | |
With family | 6.30 (1.78) | 0.75 | |
Mother working | Yes | 6.04 (1.61) | |
No | 6.61 (1.87) | 0.07 | |
Smoking | Yes | 4.86 (1.57) | |
No | 6.45 (1.76) | 0.02 | |
Alcohol | Yes | 4.25 (2.06) | |
No | 6.43 (1.74) | 0.02 | |
Regular exercise | Yes | 6.51 (1.81) | |
No | 5.86 (1.60) | 0.09 | |
Body Mass Index (BMI)* | Underweight (< 18.5) | 6.23 (1.57) | |
Normal (18.5 – 22.9) | 6.47 (1.90) | ||
Pre-obese (23.0-27.4) | 6.68 (1.67) | ||
Obese class I (27.5-34.9) | 5.30 (1.49) | 0.20 |