Journal List > J Nutr Health > v.52(2) > 1122031

Lee, Kim, and Song: Assessment of dietary behaviors among preschoolers in Daejeon: using Nutrition Quotient for Preschoolers (NQ-P)∗

Abstract

Purpose:

The aim of this study was to evaluate the dietary behaviors of preschoolers in Daejeon using the Nutrition Quotient for Preschoolers (NQ-P).

Methods:

The study subjects were recruited from childcare centers and kindergartens located in Daedeokgu, Daejeon between August and September 2018. A total of 411 preschoolers aged 3~6 years were included in the data analyses. A questionnaire of NQ-P, which consisted of 14 checklist items on dietary behaviors, was completed by the parents or guardians of the study subjects. The NQ-P scores and its three factors, including “balance”, “moderation”, and “environment” factors, were calculated according to sex, age, and weight status. Differences in the NQ-P scores and their factors according to sex, age, and weight status were tested using a student's t-test.

Results:

The mean NQ-P score of the total subjects was 58.5 ± 9.2, which was within the medium-low grade. The NQ-P score was 58.5 ± 9.4 in boys and 58.6 ± 9.0 in girls (p=0.955). The NQ-P score was similar regardless of the age groups (57.8 ± 9.4 in 3~4 years vs. 59.2 ± 9.0 in 5~6 years, p=0.124), whereas subjects aged 5~6 years showed a significantly higher scores of environment factors than those aged 3~4 years (67.9 ± 16.8 vs. 61.7 ± 17.3). The mean score of the moderation factor was lower in the overweight/obese children compared to the non-overweight/obese children (46.6 ± 13.3 vs. 51.0 ± 16.2, p=0.012). Compared to children aged 3~4 years, children aged 5~6 years had higher intakes of vegetable dishes and processed meat. The overweight/obese group showed a higher consumption of processed beverages than the non-overweight/obese group.

Conclusion:

The current study indicates that the dietary behaviors of preschoolers residing in Daejeon need to be improved. These findings suggest that nutrition education or health interventions targeting young children is necessary for improving their nutritional health status.

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Table 1.
Characteristics of the study subjects
Variables n %
Sex
  Boys 218 53.0
  Girls 193 47.0
Age
  3 yrs 33 8.0
  4 yrs 159 38.7
  5 yrs 122 29.7
  6 yrs 97 23.6
  Mean ± SD 5.1 ± 0.9 yrs
Main meal planner
  Mother 324 78.8
  Father 6 1.5
  Grandparents 43 10.5
  Mother and father 26 6.3
  Mother and grandparents 11 2.7
  Father and grandparents 1 0.2
Physical activity
  Never 27 6.6
  1 ~ 2 times per week 176 42.8
  3 ~ 4 times per week 123 29.9
  5 ~ 6 times per week 47 11.4
  Every day 38 9.2
Weight status1)
  Underweight 31 7.5
  Normal weight 299 72.8
  Overweight 39 9.5
  Obese 42 10.2

1)Weight status for children was categorized into four groups according to sex- and age-specific BMI percentile from the 2017 Korean national growth chart: underweight (body weight < 5th percentiles), normal weight (5th ≤ BMI < 85th percentiles), overweight (85th ≤ BMI < 95th percentiles), and obese (BMI ≥ 95th percentiles).

Table 2.
Scores of Nutrition Quotient for Preschoolers (NQ-P) and its factors by sex, age, and weight status
Variables Total Boys Girls p-value1) 3 ~ 4 yrs 5 ~ 6 yrs p-value1) Non-OW/OB OW/OB p-value1)
(n = 411) (n = 218) (n = 193) (n = 192) (n = 219) (n = 330) (n = 81)
Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD
NQ-P score 58.5 ± 9.2 58.5 ± 9.4 58.6 ± 9.0 0.955 57.8 ± 9.4 59.2 ± 9.0 0.124 58.8 ± 9.5 57.4 ± 7.7 0.150
  Balance 60.5 ± 12.6 61.0 ± 12.8 60.0 ± 12.3 0.436 60.2 ± 12.2 60.8 ± 12.9 0.670 60.3 ± 12.9 61.6 ± 11.3 0.396
  Moderation 50.2 ± 15.7 49.9 ± 15.9 50.4 ± 15.6 0.767 50.9 ± 16.3 49.5 ± 15.2 0.360 51.0 ± 16.2 46.6 ± 13.3 0.012
  Environment 65.0 ± 17.3 64.4 ± 16.8 65.7 ± 17.9 0.421 61.7 ± 17.3 67.9 ± 16.8 < 0.001 65.6 ± 17.3 62.6 ± 17.1 0.171

OW/OB, overweight/obese

1) p-values were obtained from the t-test.

Table 3.
Checklist items for the balance factor by sex, age, and weight status
Variables Total Boys Girls p-value1) 3 ~ 4 yrs 5 ~ 6 yrs p-value1) Non-OW/OB OW/OB p-value1)
(n = 411) (n = 218) (n = 193) (n = 192) (n = 219) (n = 330) (n = 81)
n % n % n % n % n % n % n %
Number of vegetable dishes at each meal (including Kimchi)
≤ 1 100 24.3 58 26.6 42 21.8 0.689 59 30.7 41 18.7 0.030 76 23.0 24 29.6 0.549
2 201 48.9 102 46.8 99 51.3   88 45.8 113 51.6   165 50.0 36 44.4  
3 94 22.9 50 22.9 44 22.8   40 20.8 54 24.7   75 22.7 19 23.5  
≥ 4 16 3.9 8 3.7 8 4.2   5 2.6 11 5.0   14 4.2 2 2.5  
Intake frequency of white milk
Never 19 4.6 10 4.6 9 4.7 0.573 8 4.2 11 5.0 0.333 16 4.9 3 3.7 0.207
Once per week 45 11.0 22 10.1 23 11.9   24 12.5 21 9.6   37 11.2 8 9.9  
3 ~ 4 times per week 136 33.1 69 31.7 67 34.7   58 30.2 78 35.6   110 33.3 26 32.1  
1 ~ 2 times a day 174 42.3 92 42.2 82 42.5   84 43.8 90 41.1   138 41.8 36 44.4  
3 times a day 23 5.6 16 7.3 7 3.6   14 7.3 9 4.1   15 4.6 8 9.9  
≥ 4 times a day 14 3.4 9 4.1 5 2.6   4 2.1 10 4.6   14 4.2 0 0.0  
Intake frequency of beans and bean products
Never 26 6.3 15 6.9 11 5.7 0.549 17 8.9 9 4.1 0.231 25 7.6 1 1.2 0.422
Once per month 23 5.6 11 5.1 12 6.2   10 5.2 13 5.9   19 5.8 4 4.9  
Once every 2 weeks 43 10.5 27 12.4 16 8.3   24 12.5 19 8.7   33 10.0 10 12.4  
Once per week 151 36.7 80 36.7 71 36.8   69 35.9 82 37.4   119 36.1 32 39.5  
3 ~ 4 times per week 142 34.6 69 31.7 73 37.8   59 30.7 83 37.9   114 34.6 28 34.6  
≥ Once a day 26 6.3 16 7.3 10 5.2   13 6.8 13 5.9   20 6.1 6 7.4  
Intake frequency of meat
Never 1 0.2 1 0.5 0 0.0 0.217 0 0.0 1 0.5 0.361 0 0.0 1 1.2 0.176
Once per month 10 2.4 5 2.3 5 2.6   4 2.1 6 2.7   10 3.0 0 0.0  
Once every 2 weeks 13 3.2 7 3.2 6 3.1   3 1.6 10 4.6   9 2.7 4 4.9  
Once per week 91 22.1 39 17.9 52 26.9   39 20.3 52 23.7   76 23.0 15 18.5  
3 ~ 4 times per week 241 58.6 132 60.6 109 56.5   118 61.5 123 56.2   191 57.9 50 61.7  
≥ Once a day 55 13.4 34 15.6 21 10.9   28 14.6 27 12.3   44 13.3 11 13.6  
Intake frequency of fish
Never 5 1.2 3 1.4 2 1.0 0.180 3 1.6 2 0.9 0.693 4 1.2 1 1.2 0.940
Once per month 42 10.2 24 11.0 18 9.3   17 8.9 25 11.4   34 10.3 8 9.9  
Once every 2 weeks 85 20.7 42 19.3 43 22.3   38 19.8 47 21.5   69 20.9 16 19.8  
Once per week 185 45.0 96 44.0 89 46.1   93 48.4 92 42.0   146 44.2 39 48.2  
3 ~ 4 times per week 87 21.2 46 21.1 41 21.2   39 20.3 48 21.9   72 21.8 15 18.5  
≥ Once a day 7 1.7 7 3.2 0 0.0   2 1.0 5 2.3   5 1.5 2 2.5  

OW/OB, overweight/obese

1) p-values were obtained from the chi-square test.

Table 4.
Checklist items for the moderation factor by sex, age, and weight status
Variables Total Boys Girls p-value1) 3 ~ 4 yrs 5 ~ 6 yrs p-value1) Non-OW/OB OW/OB p-value1)
(n = 411) (n = 218) (n = 193) (n = 192) (n = 219) (n = 330) (n = 81)
n % n % n % n % n % n % n %
Intake frequency of processed meat such as ham and sausage
Never 15 3.7 11 5.1 4 2.1 0.258 13 6.8 2 0.9 0.043 14 4.2 1 1.2 0.650
Once per month 36 8.8 17 7.8 19 9.8   18 9.4 18 8.2   28 8.5 8 9.9  
Once per 2 weeks 62 15.1 27 12.4 35 18.1   29 15.1 33 15.1   53 16.1 9 11.1  
Once per week 180 43.8 97 44.5 83 43.0   82 42.7 98 44.8   143 43.3 37 45.7  
3 ~ 4 times per week 108 26.3 59 27.1 49 25.4   47 24.5 61 27.9   84 25.5 24 29.6  
≥ Once a day 10 2.4 7 3.2 3 1.6   3 1.6 7 3.2   8 2.4 2 2.5  
Intake frequency of fast foods such as pizza and hamburger
Never 62 15.1 27 12.4 35 18.1 0.361 33 17.2 29 13.2 0.340 51 15.5 11 13.6 0.933
Once per month 205 49.9 116 53.2 89 46.1   99 51.6 106 48.4   162 49.1 43 53.1  
Once per 2 weeks 95 23.1 50 22.9 45 23.3   41 21.4 54 24.7   78 23.6 17 21.0  
Once per week 48 11.7 24 11.0 24 12.4   18 9.4 30 13.7   38 11.5 10 12.4  
3 ~ 4 times per week 1 0.2 1 0.5 0 0.0   1 0.5 0 0.0   1 0.3 0 0.0  
Intake frequency of snacks, sweet, and greasy baked goods
Never 4 1.0 2 0.9 2 1.0 0.901 2 1.0 2 0.9 0.268 3 0.9 1 1.2 0.579
Once per week 94 22.9 54 24.8 40 20.7   38 19.8 56 25.6   80 24.2 14 17.3  
3 ~ 4 times per week 165 40.2 84 38.5 81 42.0   75 39.1 90 41.1   130 39.4 35 43.2  
Once a day 125 30.4 66 30.3 59 30.6   62 32.3 63 28.8   100 30.3 25 30.9  
≥ 2 times a day 23 5.6 12 5.5 11 5.7   15 7.8 8 3.7   17 5.2 6 7.4  
Intake frequency of processed beverages
Never 28 6.8 17 7.8 11 5.7 0.210 15 7.8 13 5.9 0.817 25 7.6 3 3.7 0.018
Once per month 77 18.7 43 19.7 34 17.6   36 18.8 41 18.7   67 20.3 10 12.4  
Once per 2 weeks 73 17.8 32 14.7 41 21.2   35 18.2 38 17.4   64 19.4 9 11.1  
Once per week 143 34.8 75 34.4 68 35.2   65 33.9 78 35.6   111 33.6 32 39.5  
3 ~ 4 times per week 65 15.8 33 15.1 32 16.6   27 14.1 38 17.4   44 13.3 21 25.9  
≥ Once a day 25 6.1 18 8.3 7 3.6   14 7.3 11 5.0   19 5.8 6 7.4  

OW/OB, overweight/obese

1) p-values were obtained from the chi-square test.

Table 5.
Checklist items for the environment factor by sex, age, and weight status
Variables Total Boys Girls p-value1) 3 ~ 4 yrs 5 ~ 6 yrs p-value1) Non-OW/OB OW/OB p-value1)
(n = 411) (n = 218) (n = 193) (n = 192) (n = 219) (n = 330) (n = 81)
n % n % n % n % n % n % n %
Breakfast eating frequency
Never 38 9.3 18 8.3 20 10.4 0.889 19 9.9 19 8.7 0.268 28 8.5 10 12.4 0.105
1 ~ 2 times per week 41 10.0 21 9.6 20 10.4   25 13.0 16 7.3   30 9.1 11 13.6  
3 ~ 4 times per week 79 19.2 45 20.6 34 17.6   38 19.8 41 18.7   58 17.6 21 25.9  
5 ~ 6 times per week 72 17.5 37 17.0 35 18.1   34 17.7 38 17.4   61 18.5 11 13.6  
Every day 181 44.0 97 44.5 84 43.5   76 39.6 105 48.0   153 46.4 28 34.6  
Not moving around while eating
Never 11 2.7 7 3.2 4 2.1 0.112 8 4.2 3 1.4 < 0.001 9 2.7 2 2.5 0.046
Seldom 55 13.4 32 14.7 23 11.9   39 20.3 16 7.3   47 14.2 8 9.9  
Normal 154 37.5 91 41.7 63 32.6   74 38.5 80 36.5   133 40.3 21 25.9  
Often 119 29.0 57 26.2 62 32.1   49 25.5 70 32.0   87 26.4 32 39.5  
Always 72 17.5 31 14.2 41 21.2   22 11.5 50 22.8   54 16.4 18 22.2  
Efforts to have healthy eating habits
Never 1 0.2 0 0.0 1 0.5 0.136 0 0.0 1 0.5 0.166 0 0.0 1 1.2 0.164
Seldom 4 1.0 1 0.5 3 1.6   2 1.0 2 0.9   3 0.9 1 1.2  
Normal 131 31.9 78 35.8 53 27.5   63 32.8 68 31.1   106 32.1 25 30.9  
Often 206 50.1 108 49.5 98 50.8   103 53.7 103 47.0   161 48.8 45 55.6  
Always 69 16.8 31 14.2 38 19.7   24 12.5 45 20.6   60 18.2 9 11.1  
Washing hands before meals
Never 1 0.2 1 0.5 0 0.0 0.239 1 0.5 0 0.0 0.428 1 0.3 0 0.0 0.148
Seldom 19 4.6 9 4.1 10 5.2   11 5.7 8 3.7   17 5.2 2 2.5  
Normal 111 27.0 62 28.4 49 25.4   52 27.1 59 26.9   90 27.3 21 25.9  
Often 204 49.6 99 45.4 105 54.4   98 51.0 106 48.4   155 47.0 49 60.5  
Always 76 18.5 47 21.6 29 15.0   30 15.6 46 21.0   67 20.3 9 11.1  
Screen time (watching TV, using smart phones or computer game)
Never 11 2.7 7 3.2 4 2.1 0.429 8 4.2 3 1.4 0.227 11 3.3 0 0.0 0.361
30 min 69 16.8 30 13.8 39 20.2   29 15.1 40 18.3   57 17.3 12 14.8  
1 h 126 30.7 71 32.6 55 28.5   57 29.7 69 31.5   103 31.2 23 28.4  
2 h 150 36.5 79 36.2 71 36.8   76 39.6 74 33.8   115 34.9 35 43.2  
≥ 3 h 55 13.4 31 14.2 24 12.4   22 11.5 33 15.1   44 13.3 11 13.6  

OW/OB, overweight/obese

1) p-values were obtained from the chi-square test.

Table 6.
Nutrition Quotient for Preschoolers (NQ-P) grade by sex, age, and weight status
Variables Total Boys Girls p-value1) 3 ~ 4 yrs 5 ~ 6 yrs p-value1) Non-OW/OB OW/OB p-value1)
(n = 411) (n = 218) (n = 193) (n = 192) (n = 219) (n = 330) (n = 81)
n % n % n % n % n % n % n %
NQ-P2)                                  
Low 113 27.5 61 28.0 52 26.9 0.963 55 28.7 58 26.5 0.595 86 26.1 27 33.3 0.229
Medium-low 136 33.1 72 33.0 64 33.2   68 35.4 68 31.1   107 32.4 29 35.8  
Medium-high 81 19.7 41 18.8 40 20.7   34 17.7 47 21.5   66 20.0 15 18.5  
High 81 19.7 44 20.2 37 19.2   35 18.2 46 21.0   71 21.5 10 12.4  
Balance3)                                  
Low 120 29.2 61 28.0 59 30.6 0.102 59 30.7 61 27.9 0.387 98 29.7 22 27.2 0.109
Medium-low 85 20.7 38 17.4 47 24.4   34 17.7 51 23.3   71 21.5 14 17.3  
Medium-high 82 20.0 52 23.9 30 15.5   43 22.4 39 17.8   58 17.6 24 29.6  
High 124 30.2 67 30.7 57 29.5   56 29.2 68 31.1   103 31.2 21 25.9  
Moderation4)                                  
Low 78 19.0 42 19.3 36 18.7 0.882 33 17.2 45 20.6 0.655 62 18.8 16 19.8 0.004
Medium-low 117 28.5 61 28.0 56 29.0   52 27.1 65 29.7   84 25.5 33 40.7  
Medium-high 113 27.5 63 28.9 50 25.9   57 29.7 56 25.6   90 27.3 23 28.4  
High 103 25.1 52 23.9 51 26.4   50 26.0 53 24.2   94 28.5 9 11.1  
Environment5)                                  
Low 154 37.5 86 39.5 68 35.2 0.421 88 45.8 66 30.1 0.006 116 35.2 38 46.9 0.117
Medium-low 122 29.7 62 28.4 60 31.1   54 28.1 68 31.1   105 31.8 17 21.0  
Medium-high 77 18.7 44 20.2 33 17.1   30 15.6 47 21.5   60 18.2 17 21.0  
High 58 14.1 26 11.9 32 16.6   20 10.4 38 17.4   49 14.9 9 11.1  

OW/OB, overweight/obese

1) p-values were obtained from the chi-square test.

2) Low: 0 ~ 53.7, Medium-low: 53.8 ~ 60.7, Medium-high: 60.8 ~ 66.3, High: 66.4 ~ 100

3) Low: 0 ~ 55.0, Medium-low: 55.1 ~ 61.8, Medium-high: 61.9 ~ 67.6, High: 67.7 ~ 100

4) Low: 0 ~ 38.2, Medium-low: 38.3 ~ 49.4, Medium-high: 49.5 ~ 61.0, High: 61.1 ~ 100

5) Low: 0 ~ 61.4, Medium-low: 61.5 ~ 73.8, Medium-high: 73.9 ~ 83.3, High: 83.4 ~ 100

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