Table 2. Knowledge scores on symptoms and risk factors of Colorectal Cancer (CRC).
| Symptoms | Risk factors | |||||
| No. | Mean Score (S.D.) | p | No. | Mean Score (S.D.) | p | |
| Age (years) | ||||||
| 50–54 | 3407 | 3.90 (2.08) | <0.001 | 3407 | 4.16 (2.07) | <0.001 |
| 55–59 | 3244 | 3.75 (2.16) | 3244 | 4.09 (2.18) | ||
| 60–64 | 2280 | 3.49 (2.27) | 2279 | 3.90 (2.33) | ||
| 65–70 | 1136 | 3.39 (2.38) | 1136 | 3.97 (2.53) | ||
| Gender | ||||||
| Male | 4384 | 3.55 (2.17) | <0.001 | 4382 | 4.03 (2.27) | 0.231 |
| Female | 5688 | 3.82 (2.20) | 5689 | 4.08 (2.20) | ||
| Educational level | ||||||
| Primary or below | 2747 | 3.02 (2.20) | <0.001 | 2747 | 3.40 (2.33) | <0.001 |
| Secondary | 5738 | 3.89 (2.12) | 5737 | 4.20 (2.12) | ||
| Tertiary or above | 1576 | 4.23 (2.16) | 1576 | 4.71 (2.11) | ||
| Marital status | ||||||
| Married/cohabit | 8514 | 3.70 (2.19) | 0.753 | 8512 | 4.06 (2.22) | 0.597 |
| Single/divorced/widowed/others | 1545 | 3.72 (2.20) | 1546 | 4.09 (2.25) | ||
| Occupational status | ||||||
| Full time | 3608 | 3.71 (2.09) | 0.719 | 3608 | 4.03 (2.15) | 0.204 |
| Part time or retired | 3424 | 3.68 (2.25) | 3423 | 4.11 (2.31) | ||
| Housewife and others | 3030 | 3.72 (2.24) | 3030 | 4.04 (2.22) | ||
| Monthly household income ($US) | ||||||
| <1285$ | 2932 | 3.54 (2.28) | <0.001 | 2931 | 3.93 (2.33) | <0.001 |
| 1285$–2571$ | 2855 | 3.71 (2.09) | 2856 | 4.04 (2.19) | ||
| 2571$–3856$ | 1428 | 3.82 (2.09) | 1428 | 4.16 (2.07) | ||
| 3856$–5141$ | 665 | 3.90 (2.06) | 664 | 4.19 (2.05) | ||
| >5142$ | 611 | 4.27 (2.16) | 611 | 4.53 (2.07) | ||
| Refused to answer | 1572 | 3.59 (2.32) | 1572 | 4.02 (2.33) | ||
| Self perceived risk of CRC * | ||||||
| At risk | 6872 | 3.86 (2.14) | <0.001 | 6872 | 4.34 (2.14) | <0.001 |
| Not at risk | 2552 | 3.66 (2.13) | 2552 | 3.80 (2.11) | ||
| Not sure | 608 | 2.05 (2.31) | 608 | 2.02 (2.46) | ||
| Family history of CRC * | ||||||
| Nil | 5813 | 3.41 (2.20) | <0.001 | 5812 | 3.86 (2.28) | <0.001 |
| First degree relatives | 1313 | 4.20 (2.11) | 1313 | 4.33 (2.09) | ||
| Second degree relatives | 1242 | 4.22 (2.16) | 1242 | 4.37 (2.16) | ||
| Others | 1709 | 3.96 (2.09) | 1709 | 4.31 (2.12) | ||
| Necessity of CRC * screening for people aged ≥50 | ||||||
| Very or quite necessary | 8401 | 3.89 (2.14) | <0.001 | 8400 | 4.27 (2.16) | <0.001 |
| Not very necessary orunnecessary | 344 | 3.22 (2.25) | 344 | 3.45 (2.32) | ||
| Not sure | 1315 | 2.61 (2.16) | 1315 | 2.87 (2.20) | ||
| Smoking | ||||||
| Nil/ex-smoker | 9540 | 3.74 (2.18) | <0.001 | 9539 | 4.08 (2.22) | <0.001 |
| Current smoker | 512 | 2.97 (2.25) | 512 | 3.67 (2.36) | ||
| Body Mass Index (kg/m2) | ||||||
| <23 | 4358 | 3.89 (2.14) | <0.001 | 4358 | 4.07 (2.13) | 0.940 |
| ≥23 | 5106 | 3.59 (2.20) | 5105 | 4.07 (2.27) | ||
*
CRC: Colorectal Cancer.