| | Characteristics | Total participants | | | Asthma (n, %) | Control (n, %) | p-value |
| | Age (years old) | | | 1.000 | | 20-24 | 4,568 (3.9) | 4,568 (3.9) | | | 25-29 | 7,346 (6.3) | 7,346 (6.3) | | | 30-34 | 10,959 (9.3) | 10,959 (9.3) | | | 35-39 | 11,159 (9.5) | 11,159 (9.5) | | | 40-44 | 10,923 (9.3) | 10,923 (9.3) | | | 45-49 | 11,463 (9.8) | 11,463 (9.8) | | | 50-54 | 11,254 (9.6) | 11,254 (9.6) | | | 55-59 | 10,743 (9.2) | 10,743 (9.2) | | | 60-64 | 10,701 (9.1) | 10,701 (9.1) | | | 65-69 | 10,606 (9.0) | 10,606 (9.0) | | | 70-74 | 8,371 (7.1) | 8,371 (7.1) | | | 75-79 | 5,219 (4.4) | 5,219 (4.4) | | | 80-84 | 2,796 (2.4) | 2,796 (2.4) | | | 85+ | 1,256 (1.1) | 1,256 (1.1) | | | Sex | | | 1.000 | | Male | 42,644 (36.3) | 42,644 (36.3) | | | Female | 74,720 (63.7) | 74,720 (63.7) | | | Income | | | 1.000 | | 1 (lowest) | 19,463 (16.6) | 19,463 (16.6) | | | 2 | 17,485 (14.9) | 17,485 (14.9) | | | 3 | 20,976 (17.9) | 20,976 (17.9) | | | 4 | 26,717 (22.8) | 26,717 (22.8) | | | 5 (highest) | 32,723 (27.9) | 32,723 (27.9) | | | Region of residence | | | 1.000 | | Urban | 53,742 (45.8) | 53,742 (45.8) | | | Rural | 63,622 (54.2) | 63,622 (54.2) | | | Hypertension | 45,542 (38.8) | 45,542 (38.8) | 1.000 | | Diabetes | 23,449 (20.0) | 23,449 (20.0) | 1.000 | | Dyslipidemia | 33,128 (28.2) | 33,128 (28.2) | 1.000 | | Ischemic heart disease | 8,920 (7.6) | 6,971 (5.9) | <0.001 | | Depression | 14,188 (12.1) | 10,175 (8.7) | <0.001 | | Hemorrhagic stroke | 795 (0.7) | 922 (0.8) | 0.002 | | Ischemic stroke | 2,849 (2.4) | 3,079 (2.6) | 0.002 |
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