Korean Journal of Family Practice

Table. 2.

Clinical characteristics according to the Korean Healthy Eating Index in Korean adults

Characteristics Korean Healthy Eating Index
Q1 (16.0–55.1) Q2 (55.2–64.5) Q3 (64.6–73.1) Q4 (73.2–100) P-value
Unweighted N 2,531 2,571 2,623 2,640
Age (y) 38.5±0.3 41.8±0.3 42.6±0.3 44.0±0.3 <0.001
Sex (male) 56.8±1.0 52.8±1.1 50.1±1.0 42.2±1.1 <0.001
Body mass index (kg/m2) 23.9±0.1 23.9±0.1 23.7±0.1 23.6±0.1 0.004
Household income <0.001
Lowest 10.9 (0.8) 9.4 (0.7) 8.1 (0.7) 7.7 (0.7)
Medium-lowest 26.9 (1.2) 25.4 (1.1) 23.1 (1.1) 20.9 (1.1)
Medium-highest 31.9 (1.2) 32.6 (1.2) 32.7 (1.2) 30.9 (1.2)
Highest 30.4 (1.3) 32.6 (1.4) 36.1 (1.5) 40.5 (1.6)
Education level 0.545
Elementary school or less under 7.6 (0.6) 8.2 (0.6) 8.2 (0.6) 8.1 (0.6)
Middle school 7.7 (0.7) 9.0 (0.7) 9.0 (0.6) 8.0 (0.6)
High school 43.0 (1.2) 39.5 (1.2) 40.6 (1.3) 40.7 (1.2)
College or higher 41.8 (1.3) 43.3 (1.3) 42.2 (1.4) 43.1 (1.3)
Current smoking 31.6 (1.2) 26.5 (1.1) 23.0 (1.0) 15.3 (0.9) <0.001
Physical activity 40.7 (1.4) 38.8 (1.3) 41.3 (1.4) 43.0 (1.3) 0.086
High risk alcohol drinking 26.2 (1.0) 23.7 (1.0) 20.7 (0.9) 16.2 (0.9) <0.001
Brushing before sleep 46.4 (1.3) 48.3 (1.2) 48.3 (1.2) 49.7 (1.2) 0.004
Diabetes 5.9 (0.5) 6.1 (0.6) 8.5 (0.7) 7.2 (0.6) 0.014
Hypertension 15.8 (0.8) 19.2 (0.9) 20.1 (0.9) 19.2 (0.9) 0.003

Data was expressed as mean±SE for categorical variables or percentages (SE) for categorical variables.

N, number; Q, quartile; SE, standard errors.

P-values are calculated using a weighted one-way analysis of variance.

Korean J Fam Pract 2021;11:415~421 https://doi.org/10.21215/kjfp.2021.11.6.415
© KJFP