Table 2.
The average score of each dimension in different variables (mean, SD).
| Variables | Dimensions | Total Score | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
| Age (n = 217) | ||||||||
| 17–30 years | 3.33 ± 1.37 * | 3.87 ± 1.46 | 5.28 ± 2.66 * | 2.76 ± 0.96 * | 5.97 ± 1.86 * | 1.68 ± 0.86 * | 3.23 ± 1.43 | 26.12 ± 6.94 * |
| 31–40 years | 3.75 ± 1.04 * | 4.18 ± 1.49 | 6.76 ± 2.31 * | 3.09 ± 1.08 * | 6.46 ± 1.50 * | 2.07 ± 0.88 * | 3.16 ± 1.37 | 29.47 ± 5.91 * |
| ≥41 years | 4.16 ± 1.10 * | 4.46 ± 1.53 | 7.57 ± 2.35 * | 3.23 ± 0.80 * | 7.13 ± 1.22 * | 2.04 ± 0.78 * | 3.50 ± 1.23 | 32.09 ± 5.52 * |
| Gender (n = 219) | ||||||||
| Male | 4.75 ± 1.25 | 4.25 ± 1.25 | 7.25 ± 2.36 | 3.50 ± 1.00 | 6.75 ± 0.95 | 2.50 ± 0.57 | 3.75 ± 1.70 | 32.75 ± 4.03 |
| Female | 3.66 ± 1.24 | 4.10 ± 1.50 | 6.32 ± 2.64 | 2.99 ± 0.96 | 6.46 ± 1.61 | 1.89 ± 0.86 | 3.27 ± 1.37 | 28.68 ± 6.96 |
| Marital status (n = 221) | ||||||||
| Unmarried | 3.27 ± 1.23 * | 3.85 ± 1.30 | 5.14 ± 2.57 * | 2.76 ± 1.02 * | 6.09 ± 1.87 * | 1.70 ± 0.87 * | 3.06 ± 1.43 | 25.86 ± 6.64 * |
| Married | 3.85 ± 1.22 * | 4.21 ± 1.58 | 6.82 ± 2.50 * | 3.09 ± 0.94 * | 6.59 ± 1.54 * | 1.99 ± 0.85 * | 3.38 ± 1.33 | 29.94 ± 6.36 * |
| Residence (n = 222) | ||||||||
| Urban | 3.75 ± 1.28 | 4.20 ± 1.50 | 6.84 ± 2.55 * | 3.15 ± 0.85 * | 6.58 ± 1.52 * | 2.04 ± 0.83 * | 3.45 ± 1.36 * | 30.01 ± 6.15 * |
| Rural | 3.50 ± 1.14 | 3.79 ± 1.49 | 4.82 ± 2.29 * | 2.54 ± 1.17 * | 6.04 ± 1.98 * | 1.52 ± 0.87 *j | 2.77 ± 1.26 * | 24.96 ± 6.84 * |
| Education level (n = 220) | ||||||||
| Basic | 3.67 ± 1.15 | 3.83 ± 1.85 | 6.75 ± 2.45 * | 2.25 ± 1.60 * | 5.58 ± 2.06 * | 1.50 ± 0.52 * | 3.50 ± 0.52 | 27.08 ± 6.17 * |
| Secondary | 3.65 ± 1.26 | 4.07 ± 1.41 | 5.82 ± 2.61 * | 2.88 ± 0.94 * | 6.26 ± 1.58 * | 1.79 ± 0.85 * | 3.12 ± 1.36 | 27.58 ± 6.58 * |
| Higher | 3.72 ± 1.24 | 4.21 ± 1.61 | 7.05 ± 2.57 * | 3.26 ± 0.83 * | 6.80 ± 1.62 * | 2.12 ± 0.88 * | 3.48 ± 1.45 | 30.64 ± 6.55 * |
| Type of kindergarten (n = 219) | ||||||||
| Public kindergarten | 3.77 ± 1.21 | 4.35 ± 1.47 * | 6.92 ± 2.54 * | 3.15 ± 0.94 * | 6.68 ± 1.71 * | 2.09 ± 0.86 * | 3.44 ± 1.30 * | 30.41 ± 6.61 * |
| Private kindergarten | 3.52 ± 1.28 | 3.78 ± 1.46 * | 5.46 ± 2.56 * | 2.75 ± 0.99 * | 6.16 ± 1.49 * | 1.64 ± 0.80 * | 3.04 ± 1.45 * | 26.35 ± 6.17 * |
| Working lifetime (n = 213) | ||||||||
| <3 years | 3.30 ± 1.29 * | 3.97 ± 1.27 | 5.35 ± 2.45 * | 2.78 ± 1.06 | 6.19 ± 1.58 | 1.63 ± 0.78 * | 3.17 ± 1.33 | 26.40 ± 6.25 * |
| 3–10 years | 3.71 ± 1.31 * | 3.98 ± 1.73 | 6.36 ± 2.86 * | 2.95 ± 0.96 | 6.21 ± 1.87 | 2.00 ± 0.93 * | 3.25 ± 1.61 | 28.46 ± 7.66 * |
| >10 years | 3.95 ± 1.15 * | 4.24 ± 1.50 | 6.80 ± 2.44 * | 3.16 ± 0.93 | 6.74 ± 1.57 | 2.03 ± 0.87 * | 3.37 ± 1.27 | 30.30 ± 6.10 * |
| BMI (n = 209) | ||||||||
| Low | 3.31 ± 1.28 * | 3.86 ± 1.43 | 4.48 ± 2.58 * | 2.38 ± 1.17 * | 5.72 ± 1.99 * | 1.55 ± 0.73 * | 3.00 ± 1.58 | 24.31 ± 6.93 * |
| Normal | 3.69 ± 1.20 * | 4.10 ± 1.53 | 6.45 ± 2.61 * | 3.06 ± 0.92 * | 6.47 ± 1.60 * | 1.90 ± 0.89 * | 3.25 ± 1.34 | 28.93 ± 6.53 * |
| Overweight | 4.40 ± 1.24 * | 4.80 ± 1.26 | 7.87 ± 1.24 * | 3.40 ± 0.82 * | 7.00 ± 1.55 * | 2.40 ± 0.63 * | 3.60 ± 1.24 | 33.47 ± 4.03 * |
| Professional training of kindergarten teachers (n = 221) | ||||||||
| Yes | 3.61 ± 1.26 | 4.05 ± 1.46 | 5.94 ± 2.60 * | 2.97 ± 0.91 | 6.38 ± 1.75 | 1.81 ± 0.87 * | 3.20 ± 1.38 | 27.97 ± 6.52 * |
| No | 3.85 ± 1.21 | 4.20 ± 1.60 | 7.15 ± 2.55 * | 3.06 ± 1.12 | 6.56 ± 1.45 | 2.08 ± 0.82 * | 3.45 ± 1.33 | 30.35 ± 6.84 * |
Notes: (1) Dimension 1: Protein-related knowledge; Dimension 2: Fat-related knowledge; Dimension 3: Vitamin-related knowledge; Dimension 4: Calcium-related knowledge; Dimension 5: Dietary fiber-related knowledge; Dimension 6: Nutrient elements-related knowledge; Dimension 7: Children’s nutrition-related knowledge; (2) Abbreviations: SD, standard deviation; BMI, Body mass index; (3) T-tests, ANOVA and Mann–Whitney U tests were used to compare differences in continuous variables; (4) * statistical significance (p < 0.05).