Korean Journal of Family Practice

Table. 1.

General characteristics of the subjects according to the meal frequency

Variable 3MRD 2MRD 1MRD P-valued
Total (n=3,036) 2,070 852 114
Age (y) <0.001
6–8 686 (33.1) 153 (18.0) 1 (0.9)
9–11 612 (29.6) 163 (19.1) 9 (7.9)
12–14 411 (19.9) 225 (26.4) 25 (21.9)
15–18 361 (17.4) 311 (36.5) 79 (69.3)
Average age 11.51±0.12 13.59±0.16 15.99±0.22 <0.001e
Sex <0.001
Male 1,076 (52.0) 448 (52.6) 30 (26.3)
Female 994 (48.0) 404 (47.4) 84 (73.7)
Income level <0.001
Low 138 (6.7) 109 (12.8) 17 (14.9)
Middle-low 487 (23.6) 261 (30.7) 24 (21.1)
Middle-high 718 (34.7) 262 (30.8) 43 (37.7)
High 724 (35.0) 219 (25.7) 30 (26.3)
Place of residence 0.673
Urban 910 (44.0) 367 (43.1) 54 (47.4)
Rurala 1,160 (56.0) 485 (56.9) 60 (52.6)
Living stasis <0.001
Two parents households 1,830 (88.4) 687 (80.9) 93 (82.3)
Other householdsb 240 (11.6) 162 (19.1) 20 (17.7)
Dietary supplement
Yes 993 (48.0) 242 (28.4) 19 (16.7) <0.001
Subjective health level <0.001
Good 1,400 (72.1) 476 (60.6) 52 (50.5)
Well 492 (25.3) 265 (33.8) 42 (40.8)
Bad 49 (2.5) 44 (5.6) 9 (8.7)
Subjective body shape <0.001
Thin 663 (34.2) 240 (30.6) 28 (27.2)
Normal 808 (41.6) 307 (39.1) 29 (28.2)
Obese 470 (24.2) 238 (30.3) 46 (44.7)
Anthropometric
Height (cm)c 152.70±0.24 152.48±0.35 149.74±0.83 0.004e
Weight (kg)c 47.66±0.32 47.96±0.51 46.71±1.39 0.666e
BMI (kg/m2)c 19.69±0.10 19.81±0.17 19.82±0.43 0.798e
WC (cm)c 66.55±0.26 66.68±0.42 66.44±1.12 0.963e

Values are presented as number only, unweighted number (%) or estimated mean±standard error.

MRD, meals regular diet; BMI, body mass index; WC, waist circumference.

aArea except urban.

bSingle parent or single grandparent or two grandparents households.

cAdjusted with age and sex.

dP-values are obtained by cross-tabulation analysis (Pearson's chi-squared test) in complex sample designs.

eP-values are obtained by general linear model analysis in complex sample design.

Korean J Fam Pract 2022;12:158~166 https://doi.org/10.21215/kjfp.2022.12.3.158
© KJFP