Table 3 Comparison with the previous year by the wORs for prevalence of AD and each socioeconomic factor, weighted % (95% CI).
From: National prevalence of atopic dermatitis in Korean adolescents from 2009 to 2022
Characteristics | 2020 versus 2019 (reference) | 2021 versus 2020 (reference) | 2022 versus 2021 (reference) |
|---|---|---|---|
wOR (95% CI) | wOR (95% CI) | wOR (95% CI) | |
Overall | 0.99 (0.94 to 1.05) | 0.96 (0.91 to 1.01) | 0.93 (0.88 to 0.98) |
Grade, weighted (95% CI) | |||
7th–9th grade (middle school) | 1.00 (0.93 to 1.08) | 0.93 (0.86 to 1.00) | 0.95 (0.88 to 1.03) |
10th–12th grade (high school) | 0.98 (0.92 to 1.06) | 0.99 (0.92 to 1.07) | 0.91 (0.84 to 0.98) |
Sex, weighted (95% CI) | |||
Male | 0.99 (0.91 to 1.07) | 0.97 (0.90 to 1.05) | 0.93 (0.86 to 1.01) |
Female | 0.99 (0.93 to 1.06) | 0.95 (0.88 to 1.01) | 0.93 (0.86 to 1.00) |
Region of residence, weighted (95% CI) | |||
Rural | 1.01 (0.94 to 1.10) | 0.96 (0.88 to 1.04) | 0.98 (0.90 to 1.06) |
Urban | 0.97 (0.91 to 1.05) | 0.96 (0.89 to 1.03) | 0.89 (0.83 to 0.96) |
BMI group, weighted (95% CI)a | |||
Underweight | 1.06 (0.93 to 1.20) | 0.93 (0.82 to 1.05) | 0.97 (0.86 to 1.09) |
Normal | 1.02 (0.95 to 1.11) | 0.97 (0.90 to 1.05) | 0.87 (0.80 to 0.95) |
Overweight | 0.93 (0.81 to 1.07) | 0.93 (0.80 to 1.07) | 1.00 (0.86 to 1.16) |
Obese | 0.97 (0.85 to 1.10) | 0.94 (0.83 to 1.07) | 0.91 (0.80 to 1.04) |
Unknown | 0.59 (0.44 to 0.80) | 1.20 (0.87 to 1.66) | 1.49 (1.12 to 1.99) |
School performance, weighted (95% CI) | |||
Low (0–19 percentile) | 0.90 (0.77 to 1.05) | 1.00 (0.86 to 1.17) | 1.03 (0.88 to 1.21) |
Lower-middle (20–39 percentile) | 0.94 (0.85 to 1.05) | 0.96 (0.86 to 1.08) | 0.86 (0.76 to 0.97) |
Middle (40–59 percentile) | 1.09 (0.99 to 1.21) | 0.94 (0.85 to 1.04) | 0.91 (0.82 to 1.01) |
Upper-middle (60–79 percentile) | 0.93 (0.83 to 1.03) | 0.97 (0.87 to 1.09) | 0.95 (0.85 to 1.06) |
High (80–100 percentile) | 1.07 (0.93 to 1.24) | 0.92 (0.79 to 1.07) | 0.98 (0.85 to 1.15) |
Parent’s highest educational level, weighted (95% CI) | |||
Middle school graduated or under | 0.93 (0.85 to 1.01) | 0.97 (0.88 to 1.07) | 1.06 (0.96 to 1.17) |
High school graduated | 0.64 (0.35 to 1.18) | 1.12 (0.57 to 2.17) | 1.26 (0.66 to 2.38) |
University graduated or higher | 1.03 (0.90 to 1.17) | 0.98 (0.86 to 1.11) | 0.79 (0.68 to 0.91) |
Unknown | 1.00 (0.92 to 1.08) | 0.95 (0.88 to 1.02) | 0.89 (0.83 to 0.96) |
Household income, weighted (95% CI) | |||
Middle lower or lower | 1.01 (0.88 to 1.15) | 1.03 (0.89 to 1.19) | 0.91 (0.79 to 1.05) |
Middle | 0.98 (0.91 to 1.05) | 1.02 (0.95 to 1.10) | 0.88 (0.81 to 0.96) |
Middle higher or higher | 1.00 (0.92 to 1.09) | 0.88 (0.80 to 0.96) | 1.00 (0.91 to 1.09) |
Alcohol consumption, weighted (95% CI) | |||
Non-drinker | 1.01 (0.96 to 1.07) | 0.96 (0.90 to 1.01) | 0.93 (0.87 to 0.98) |
1–2 day | 0.98 (0.83 to 1.17) | 0.83 (0.68 to 1.01) | 0.99 (0.81 to 1.22) |
3–5 day | 0.89 (0.64 to 1.23) | 1.25 (0.87 to 1.79) | 0.84 (0.59 to 1.20) |
6–9 day | 1.09 (0.71 to 1.66) | 1.06 (0.65 to 1.74) | 0.83 (0.50 to 1.37) |
≥ 10 day | 0.80 (0.56 to 1.14) | 1.16 (0.78 to 1.73) | 0.88 (0.59 to 1.33) |
Smoking status, weighted (95% CI) | |||
Non-smoker | 1.02 (0.96 to 1.08) | 0.95 (0.90 to 1.00) | 0.93 (0.87 to 0.98) |
Smoker | 0.85 (0.73 to 0.99) | 1.04 (0.89 to 1.23) | 0.96 (0.81 to 1.15) |
Stress status, weighted (95% CI)b | |||
None | 0.84 (0.62 to 1.14) | 1.14 (0.83 to 1.57) | 0.90 (0.63 to 1.27) |
Mild | 1.13 (0.98 to 1.31) | 0.86 (0.74 to 0.99) | 1.04 (0.88 to 1.22) |
Moderate | 1.06 (0.97 to 1.15) | 0.92 (0.85 to 1.00) | 0.88 (0.81 to 0.97) |
High | 1.00 (0.91 to 1.10) | 0.98 (0.90 to 1.08) | 0.88 (0.80 to 0.97) |
Severe | 0.90 (0.78 to 1.03) | 0.94 (0.80 to 1.09) | 1.01 (0.87 to 1.18) |
Sadness and despair, weighted (95% CI) | |||
No | 1.02 (0.96 to 1.09) | 0.92 (0.87 to 0.98) | 0.96 (0.90 to 1.03) |
Yes | 0.96 (0.88 to 1.05) | 1.01 (0.93 to 1.11) | 0.85 (0.78 to 0.93) |
Suicidal thoughts, weighted (95% CI) | |||
No | 1.04 (0.98 to 1.10) | 0.93 (0.87 to 0.98) | 0.94 (0.88 to 1.00) |
Yes | 0.84 (0.73 to 0.96) | 1.10 (0.96 to 1.26) | 0.86 (0.75 to 0.98) |
Suicidal attempts, weighted (95% CI) | |||
No | 1.00 (0.95 to 1.06) | 0.95 (0.90 to 1.00) | 0.92 (0.87 to 0.97) |
Yes | 0.80 (0.59 to 1.07) | 1.21 (0.89 to 1.65) | 1.13 (0.87 to 1.48) |
