Korean Journal of Family Practice

Table. 1.

Characteristics of subjects with and without asthma

Factors Total (n) Without asthma With asthma Prevalencea P-value
n (weighted %) SE n (weighted %) SE Weighted % SE
Total 9,244 9,022 (97.6) 0.2 222 (2.4) 0.2 2.40 0.2
Age (y)
19–34 2,460 2,391 (34.0) 0.8 69 (1.0) 0.1 2.90 0.4 0.114
35–49 3,344 3,279 (35.2) 0.8 65 (0.7) 0.1 2.00 0.3
50–64 3,440 3,352 (28.3) 0.7 88 (0.7) 0.1 2.40 0.3
Sex
Male 3,599 3,530 (48.4) 0.5 69 (1.0) 0.1 2.10 0.3 0.073
Female 5,645 5,492 (49.1) 0.5 153 (1.4) 0.1 2.80 0.3
Education level
Middle school or lower 1,817 1,759 (14.5) 0.5 58 (0.5) 0.1 3.10 0.5 0.105
High school or higher 7,410 7,246 (83.0) 0.5 164 (2.0) 0.2 2.30 0.2
House income
Lesser than median 3,137 3,070 (32.0) 0.9 67 (0.7) 0.1 2.10 0.3 0.241
Median or more 6,077 5,922 (65.6) 0.9 155 (1.8) 0.2 2.60 0.3
Smoke
Non 5,878 5,726 (56.0) 0.6 152 (1.5) 0.1 2.60 0.2 0.247
Ex or current 3,336 3,268 (41.6) 0.6 68 (0.9) 0.1 2.20 0.3
Obesity
BMI <25 kg/m2 6,352 6,213 (67.0) 0.6 139 (1.5) 0.1 2.20 0.2
BMI ≥25 kg/m2 2,883 2,801 (30.6) 0.6 82 (0.9) 0.1 2.90 0.4
Sufficient physical activity
No 2,019 1,972 (19.3) 1.3 47 (0.4) 0.1 2.10 0.4 0.373
Yes 7,149 6,976 (78.2) 1.3 173 (2.0) 0.2 2.50 0.2
Soft drink consumption
Never and <one cup per day 9,009 8,798 (94.2) 0.3 211 (2.3) 0.2 2.40 0.2 0.006
≥One cup per day, <two cups per day 200 192 (2.9) 0.2 8 (0.1) 0.04 3.90 1.4
≥Two cups per day 35 32 (0.5) 0.1 3 (0.1) 0.04 11.10 6.5

SE, standard error; BMI, body mass index.

Korean J Fam Pract 2022;12:72~78 https://doi.org/10.21215/kjfp.2022.12.2.72
© KJFP