Table 1 Basic characteristics of the study participants and univariate analysis for each factor related to asthma
Characteristic | Total No. (%) | Asthma No. (%) | No asthma No. (%) | P value | χ2/Z |
|---|---|---|---|---|---|
Total | 2241 | 152 | 2089 | ||
Sex | .302 | 1.064 | |||
Male | 1240 (55.33) | 78(51.32) | 1162(55.62) | ||
Female | 1001(44.67) | 74(48.68) | 927(44.38) | ||
Age,years | .174 | 3.501 | |||
Median(P25,P75) | 8.50(6.58,10.41) | 8.21(6.25,9.73) | 8.50(6.63,10.46) | .099 | -1.648 |
4–5 | 395(17.63) | 31(20.40) | 364(17.43) | ||
6–11 | 1567(69.92) | 109(71.71) | 1458(69.79) | ||
12–18 | 279(12.45) | 12(7.89) | 267(12.78) | ||
BMI | .481 | 1.464 | |||
Median(P25,P75) | 15.94(14.78,17.82) | 15.95(14.81,17.75) | 15.94(14.77,17.82) | .875 | -0.158 |
No overweight | 1802(80.41) | 125(82.24) | 1677(80.28) | ||
Overweight | 317(14.15) | 17(11.18) | 300(14.36) | ||
Obesity | 122(5.44) | 10(6.58) | 112(5.36) | ||
Family history | < .001 | 489.433 | |||
Positive | 169(7.54) | 81(53.29) | 88(4.21) | ||
Negative | 2072(92.46) | 71(46.71) | 2001(95.79) | ||
Platelet,1012 | |||||
Median(P25,P75) | 285(244,327) | 285(250,320) | 285(243,327) | .869 | -0.165 |
Vitamin D | |||||
Median(P25,P75) | 19.29(14.87,23.40) | 19.52(14.84,23.69) | 19.29(14.87,23.39) | .483 | -0.702 |
Eosinophils(%) | |||||
Median(P25,P75) | 2.94(1.95,4.05) | 4.01(2.05,5.96) | 2.92(1.94,4.02) | < .001 | -5.714 |
H.pylori | .028 | 4.829 | |||
Positive | 292(13.03) | 11(7.24) | 281(13.45) | ||
Negative | 1949(86.97) | 141(92.76) | 1808(86.55) | ||