Table 2.
Comparison of Knowledge Score by Patients’ Characteristics.a
| n | Mean | Standard Deviation | Median | P Value | ||
|---|---|---|---|---|---|---|
| Age groups 35 | 18-35 years | 47 | 4.30 | 2.05 | 4.00 | .194 |
| >36 years | 312 | 4.74 | 1.89 | 5.00 | ||
| Gender | Female | 181 | 4.86 | 1.93 | 5.00 | .146 |
| Male | 221 | 4.59 | 1.88 | 5.00 | ||
| Education level | High school or less | 148 | 3.97 | 1.79 | 4.00 | <.001 |
| Above high school | 246 | 5.22 | 1.79 | 5.00 | ||
| Income levels | $0-$24 999 | 174 | 4.47 | 1.91 | 5.00 | .001 |
| $25 000-$49 000 | 57 | 4.61 | 1.87 | 4.00 | ||
| $50 000-$74 999 | 36 | 5.08 | 1.79 | 5.00 | ||
| $75 000-$99 000 | 15 | 5.20 | 1.52 | 5.00 | ||
| $100 000 + | 37 | 5.78 | 1.97 | 6.00 | ||
| Race/ethnicity | Asian | 40 | 4.93 | 1.76 | 5.00 | <.001 |
| Black/African American | 21 | 4.86 | 1.46 | 5.00 | ||
| Hispanic/Latino | 138 | 4.01 | 1.82 | 4.00 | ||
| White | 151 | 5.39 | 1.85 | 5.00 | ||
| ED visits during past year | 1 | 160 | 4.66 | 1.88 | 5.00 | .254 |
| 2 | 93 | 5.15 | 1.70 | 5.00 | ||
| 3 | 42 | 4.57 | 2.01 | 5.00 | ||
| 4-5 | 50 | 4.68 | 2.01 | 5.00 | ||
| >6 | 48 | 4.48 | 2.02 | 4.00 | ||
Abbreviation: ED, emergency room.
a Kruskal-Wallis test used for race and income level, Mann-Whitney U test for education level.