Table 2.
Univariate analysis on the dietary knowledge score and dietary guideline awareness.
| Dietary Knowledge Score | Dietary Guideline Awareness | |||||||
|---|---|---|---|---|---|---|---|---|
| Mean | S.D. | F/t | p | n | % | χ2 | p | |
| Age | 25.52 | <0.001 | 94.60 | <0.001 | ||||
| 18−44 | 9.41 | 3.72 | 1226 | 33.23 | ||||
| 45−59 | 9.17 | 3.55 | 1134 | 27.24 | ||||
| ≥60 | 8.82 | 4.01 | 1025 | 23.53 | ||||
| Post-hoc test | “18−44” > “45−59” > “≥60” | “18−44” > “45−59” > “≥60” | ||||||
| Gender | 0.77 | 0.44 | 0.81 | 0.37 | ||||
| Men | 9.14 | 3.77 | 1571 | 27.34 | ||||
| Women | 9.09 | 3.78 | 1814 | 28.07 | ||||
| Income | 167.76 | <0.001 | 1072.66 | <0.001 | ||||
| Poorest | 7.95 | 3.89 | 291 | 11.92 | ||||
| Poorer | 8.36 | 3.72 | 412 | 16.89 | ||||
| Middle | 9.19 | 3.52 | 643 | 26.38 | ||||
| Richer | 9.84 | 3.44 | 830 | 33.92 | ||||
| Richest | 10.23 | 3.80 | 1209 | 49.47 | ||||
| Post-hoc test | Richest > Richer > Middle > Poorer > Poorest | Richest > Richer > Middle > Poorer > Poorest | ||||||
| Educational attainment | 187.41 | <0.001 | 1776.81 | <0.001 | ||||
| Illiterate | 7.20 | 3.92 | 34 | 3.90 | ||||
| Elementary | 8.24 | 3.70 | 328 | 11.63 | ||||
| Middle school | 9.12 | 3.51 | 882 | 21.68 | ||||
| High school | 9.75 | 3.68 | 1232 | 41.95 | ||||
| University | 10.64 | 3.81 | 909 | 60.20 | ||||
| Post-hoc test | University > High school > Middle school > Elementary > Illiteracy | University > High school > Middle school > Elementary > Illiteracy | ||||||
| Marital status | 20.58 | <0.001 | 50.70 | <0.001 | ||||
| Unmarried | 9.23 | 3.91 | 213 | 32.87 | ||||
| Married | 9.18 | 3.74 | 2980 | 28.28 | ||||
| Others | 8.39 | 4.01 | 192 | 18.81 | ||||
| Post-hoc test | Unmarried, Married > Others | Unmarried > Married > Others | ||||||
| Basic medical insurance | −4.48 | <0.001 | 0.55 | 0.46 | ||||
| No | 8.20 | 4.27 | 85 | 25.91 | ||||
| Yes | 9.14 | 3.76 | 3300 | 27.78 | ||||
| Working status | −9.16 | <0.001 | 109.22 | <0.001 | ||||
| No | 8.82 | 3.94 | 1529 | 23.72 | ||||
| Yes | 9.45 | 3.55 | 1856 | 32.21 | ||||
| Residential areas | 14.87 | <0.001 | 544.53 | <0.001 | ||||
| Urban | 9.73 | 3.83 | 1917 | 39.32 | ||||
| Rural | 8.71 | 3.69 | 1468 | 20.02 | ||||
| Geographic region | 375.75 | <0.001 | ||||||
| Eastern China | 10.05 | 3.60 | 2232 | 37.56 | 559.25 | <0.001 | ||
| Central China | 8.35 | 3.64 | 577 | 18.77 | ||||
| Western China | 8.12 | 3.80 | 576 | 18.05 | ||||
| Post-hoc test | Eastern China > Central China> Western China | Eastern China > Central China, Western China | ||||||
Note: The post-hoc Tukey test was conducted to determine which groups differ from each other. S.D., Standard deviation.