生命早期环境因素暴露与儿童哮喘关系的病例对照研究
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邓云天, 熊文魁, 朱芮, 刘恩梅, 李雪梅, 钟朝晖
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A case-control study of the relationship between early-life environmental exposure and childhood asthma
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DENG Yuntian, XIONG Wenkui, ZHU Rui, LIU Enmei, LI Xuemei, ZHONG Zhaohui
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表 1 哮喘组和对照组的一般资料比较
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Tab 1 Comparison of general data between the asthma group and the control group
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Item | Asthma (n=220) | Control (n=636) | χ2/t value | P value |
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Age | 7.4±2.1 | 7.6±2.1 | 1.299 | 0.194 | Gender/n (%) | | | 0.216 | 0.642 | Male | 114 (51.8) | 318 (50.0) | | | Female | 106 (48.2) | 318 (50.0) | | | Gestational age/n (%) | | | 0.520 | 0.771 | <37 weeks | 8 (3.6) | 23 (3.6) | | | ≥37 weeks and ≤42 weeks | 210 (95.5) | 603 (94.8) | | | >42 weeks | 2 (0.9) | 10 (1.6) | | | Birth weight/n (%) | | | 5.896 | 0.117 | <1 500 g | 2 (0.9) | 7 (1.1) | | | ≥1 500 g and <2 500 g | 24 (10.9) | 53 (8.3) | | | ≥2 500 g and <4 000 g | 185 (84.1) | 521 (81.9) | | | ≥4 000 g | 9 (4.1) | 55 (8.6) | | | Delivery mode/n (%) | | | 0.100 | 0.951 | Vaginal delivery | 91 (41.4) | 265 (41.7) | | | Assisted delivery | 3 (1.4) | 7 (1.1) | | | Caesarean delivery | 126 (57.3) | 364 (57.2) | | | Family size①/n (%) | | | 4.339 | 0.114 | 2‒3 people | 105 (47.7) | 254 (39.9) | | | 4‒5 people | 97 (44.1) | 314 (49.4) | | | ≥6 people | 18 (8.2) | 68 (10.7) | | | Maternal education level/n (%) | | | 4.580 | 0.205 | ≤9 years | 14 (6.4) | 33 (5.2) | | | 10‒12 years | 28 (12.7) | 66 (10.4) | | | 13‒16 years | 165 (75.0) | 472 (74.2) | | | ≥17 years | 13 (5.9) | 65 (10.2) | | | Household annual income/n (%) | | | 8.218 | 0.084 | <100 000 yuan | 36 (16.4) | 98 (15.4) | | | ≥100 000 yuan and <150 000 yuan | 47 (21.4) | 116 (18.2) | | | ≥150 000 yuan and <200 000 yuan | 50 (22.7) | 130 (20.4) | | | ≥200 000 yuan and <400 000 yuan | 62 (28.2) | 166 (26.1) | | | ≥400 000 yuan | 25 (11.4) | 126 (19.8) | | | Living space per person/n (%) | | | 3.794 | 0.285 | <10 m2 | 6 (2.7) | 10 (1.6) | | | ≥10 m2 and <20 m2 | 38 (17.3) | 84 (13.2) | | | ≥20 m2 and <40 m2 | 69 (31.4) | 223 (35.1) | | | ≥40 m2 | 107 (48.6) | 319 (50.2) | | |
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