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.