变量 | <6岁 (N = 48) | 6~12岁 (N = 181) | ≥12岁 (N = 180) | Pearson c2 | P值 | 线性c2 | P值 |
尘螨 | 12 (25.00) | 53 (29.28) | 49 (27.22) | 0.414 | 0.813 | 0.001 | 0.973 |
蟑螂 | 12 (25.00) | 51 (28.18) | 45 (25.00) | 0.524 | 0.770 | 0.095 | 0.757 |
点青霉/烟曲霉/交链孢霉 | 12 (25.00) | 81 (44.75) | 71 (39.44) | 6.219 | 0.045* | 0.826 | 0.364 |
梧桐 | 12 (25.00) | 81 (44.75) | 71 (39.44) | 6.219 | 0.045* | 0.826 | 0.364 |
榆树 | 30 (62.50) | 117 (64.64) | 125 (69.44) | 1.326 | 0.515 | 1.257 | 0.262 |
葎草 | 5 (10.42) | 29 (16.02) | 19 (10.56) | 2.703 | 0.259 | 0.460 | 0.498 |
艾蒿 | 1 (2.08) | 16 (8.84) | 12 (6.67) | 2.717 | 0.257 | 0.220 | 0.639 |
豚草 | 5 (10.42) | 31 (17.13) | 23 (12.78) | 2.091 | 0.352 | 0.047 | 0.828 |
猫毛 | 6 (12.50) | 45 (24.86) | 31 (17.22) | 5.219 | 0.074 | 0.072 | 0.788 |
狗上皮 | 7 (14.58) | 49 (27.07) | 35 (19.44) | 4.883 | 0.087 | 0.058 | 0.809 |