The effect of maternal food consumption during pregnancy on infantile eczema: a cohort study
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摘要:
目的 探讨孕期各大类食物摄入量与婴儿湿疹发病风险之间的关联。 方法 采用前瞻性出生队列研究方法,选取广州市某区妇幼保健院常规孕检的孕20~28周孕妇523名。采用具有81个条目的半定量食物频率问卷调查孕妇过去一个月的膳食摄入情况,根据中国膳食指南划分食物摄入类别,并计算各大类别食物摄入量。于产后6个月通过电话随访调查婴儿湿疹的发病情况。将孕期各类食物摄入量进行四等分(Q1-Q4),采用多因素Logistic回归分析模型分析其与婴儿湿疹之间的关联。 结果 产后6个月婴儿湿疹累计发病率为51.8%。在孕期各类食物摄入方面,湿疹组的禽肉类摄入量高于非湿疹组(27.62±25.20 vs.22.03±22.63 g/d,P=0.022);谷类、蔬菜类、水果类、红肉类、蛋类、奶类、大豆、坚果的摄入在两组间差异均无统计学意义(均有P>0.05)。多因素Logistic回归分析结果显示,母亲孕期较高的禽肉类摄入(Q4)和鱼类摄入(Q3)与最低四分位数组(Q1)相比,婴儿湿疹发生风险增加(OR=2.71,95% CI=1.24~4.81;OR=2.38,95% CI=1.23~4.59)。 结论 孕期禽肉类或鱼类摄入过多与更高的婴儿湿疹发生风险有关。 Abstract:Objective To investigate the association between maternal food group intakes during pregnancy and the risk of infantile eczema in a Chinese population. Methods A prospective birth cohort study was conducted and 523 women were recruited at 20-28 weeks of pregnancy in Guangzhou from 2017 to 2018. A validated 81-item quantitative food frequency questionnaire was used to assess maternal dietary intakes during the past month. Food items were divided into ten food groups according to the Chinese Dietary Guidelines. Offspring were followed up at 6 months by the symptom questionnaire of eczema. Multivariate Logistic regression model was conducted to evaluate the association between maternal food group intakes during pregnancy and the risk of infantile eczema. Results The cumulative incidence of eczema at 6 months was 51.8%. Maternal consumption of poultry was higher in the eczema group (27.62±25.20 g/d) than the control group (22.03±22.63 g/d, P=0.022). Comparing to the lowest quantile (Q1), higher maternal intake of poultry (Q4) and fish (Q3) were significantly associated with an increased risk of infantile eczema (OR=2.71, 95% CI=1.24-4.81; OR=2.38, 95% CI=1.23-4.59, respectively) after multivariate adjustment. Conclusion Higher intakes of poultry or fish during pregnancy were associated with an increased risk of infantile eczema in Chinese population. -
Key words:
- Maternal diet /
- Pregnancy /
- Infantile eczema /
- Cohort study
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表 1 研究对象一般特征
Table 1. General characterstics of research subjects
基本特征 合计 湿疹组 非湿疹组 t/χ2值 P值 孕妇基线资料 总体 388 201(51.80%) 187(48.20%) 年龄(岁) 1.04 0.309 ≥35 77 36(46.75%) 41(53.25%) <35 311 165(53.22%) 146(47.10%) 孕前BMI(kg/m2)a 20.71±2.89 20.47±2.88 20.98±2.88 1.70 0.090 调查时孕周(周) 25.69±3.82 25.75±4.35 25.62±3.15 -0.34 0.734 文化程度b 2.29 0.514 初中及以下 57 26(45.61%) 31(54.39%) 高中或中专 70 34(48.57%) 36(51.43%) 大专 119 62(52.10%) 57(47.90%) 大学及以上 133 75(56.39%) 58(43.61%) 家庭人均月收入(元/月)b 3.45 0.328 ≤4 000 88 41 (46.59%) 47 (53.41%) 4 001~ 86 51 (59.30%) 35 (40.70%) 6 001~ 93 46 (49.46%) 47 (50.54%) >10 000 111 61 (54.95%) 50 (45.05%) 食物过敏b 0.14 0.704 是 74 40 (54.05%) 34 (45.95%) 否 312 161(51.60%) 151(48.40%) 孕期被动吸烟b 0.18 0.674 是 79 39 (49.37%) 40 (50.63%) 否 296 154(52.03%) 142(47.97%) 首次怀孕b 2.86 0.091 是 138 80 (57.97%) 58 (42.03%) 否 247 121(48.99%) 126(51.01%) 6个月婴儿随访资料 喂养方式b 0.15 0.926 人工喂养 27 15 (55.56%) 12 (44.44%) 混合喂养 192 100 (52.08%) 92 (47.92%) 母乳喂养 167 86 (51.50%) 81 (48.50%) 纯母乳喂养持续时间(月)b 0.78 0.677 <4 177 96 (54.24%) 81 (45.76%) 4~ 66 34(51.52%) 32(48.48%) ≥6 144 71(49.31%) 73(50.69%) 6个月内引入辅食 1.07 0.300 是 185 91 (49.19%) 94 (50.81%) 否 202 110(54.46%) 92(45.54%) 过敏性疾病家族史 5.80 0.016 是 189 110(58.20%) 79 (41.80%) 否 198 91(45.96%) 107(54.04%) 湿疹家族史 8.20 0.004 是 33 25 (75.76%) 8 (24.24%) 否 354 176(49.72%) 178(50.28%) 注:a表示体重指数(body mass index,BMI);连续变量表示为(x±s),分类变量表示为人数(%);b缺失数据未列出。 表 2 婴儿湿疹组和非湿疹组母亲孕期总能量及各大类食物摄入量的比较
Table 2. Maternal daily intake of energy and main food groups during pregnancy between the eczema group and the control group
湿疹组(n=201) 非湿疹组(n=187) t值 P值 总能量摄入
(kcal/d)1 857.21±514.66 1 769.98±458.95 -1.75 0.080 各大类食物摄入(g/d) 谷类 214.92±82.98 204.24±69.99 -1.36 0.174 蔬菜类 241.02±129.69 224.86±120.91 -1.27 0.207 水果类 250.21±152.87 256.83±167.50 0.41 0.685 红肉类 94.95±67.00 85.84±59.59 -1.41 0.160 家禽类 27.62±25.20 22.03±22.63 -2.29 0.022 鱼类 30.79±29.08 28.20±31.70 -0.84 0.400 淡水鱼类 19.28±19.98 18.41±23.71 -0.39 0.697 海水鱼类 11.52±21.18 9.78±18.19 -0.86 0.390 蛋类 36.73±24.36 35.07±25.34 -0.66 0.512 奶类 204.91±154.02 202.79±136.64 -0.14 0.887 大豆 6.50±7.54 6.23±6.87 -0.37 0.712 坚果类 16.77±20.86 15.78±21.94 -0.45 0.652 表 3 各大类食物摄入量与湿疹的关联性分析
Table 3. The associations between maternal dietary intake and infantile eczema
食物类别 OR (95% CI)值 调整OR (95% CI)值 模型1a 模型2b 谷类 Q1 1.00 1.00 1.00 Q2 0.94 (0.54, 1.65) 0.86 (0.48, 1.56) 0.77 (0.41, 1.44) Q3 0.88 (0.50, 1.55) 0.84 (0.46, 1.53) 0.68 (0.35, 1.34) Q4 1.28 (0.73, 2.26) 1.06 (0.57, 1.96) 0.82 (0.35, 1.96) 蔬菜类 Q1 1.00 1.00 1.00 Q2 1.42 (0.81, 2.51) 1.40 (0.77, 2.56) 1.40 (0.75, 2.63) Q3 1.23 (0.70, 2.16) 1.20 (0.66, 2.18) 1.22 (0.65, 2.32) Q4 1.39 (0.79, 2.45) 1.37 (0.75, 2.50) 1.31 (0.67, 2.59) 水果类 Q1 1.00 1.00 1.00 Q2 1.23 (0.70, 2.16) 0.98 (0.54, 1.78) 0.97 (0.52, 1.81) Q3 1.13 (0.64, 1.99) 1.10 (0.60, 2.02) 1.20 (0.63, 2.29) Q4 0.90 (0.51, 1.59) 0.81 (0.45, 1.48) 0.74 (0.37, 1.48) 红肉类 Q1 1.00 1.00 1.00 Q2 1.28 (0.73, 2.25) 1.26 (0.69, 2.29) 1.17 (0.62, 2.20) Q3 1.26 (0.71, 2.21) 1.12 (0.61, 2.05) 0.96 (0.50, 1.84) Q4 1.28 (0.73, 2.25) 1.16 (0.64, 2.12) 0.82 (0.40, 1.68) 家禽类 Q1 1.00 1.00 1.00 Q2 2.07 (1.16, 3.68)c 2.08 (1.12, 3.84)c 2.07 (1.08, 3.94)c Q3 1.42 (0.80, 2.52) 1.46 (0.79, 2.70) 1.54 (0.80, 2.98) Q4 2.61 (1.46, 4.68)c 2.62 (1.41, 4.86)c 2.71 (1.24, 4.81)c 鱼类 Q1 1.00 1.00 1.00 Q2 1.91 (1.08, 3.39)c 2.00 (1.09, 3.69) c 2.07 (1.10, 3.87) c Q3 2.35 (1.32, 4.17)c 2.37 (1.28, 4.39) c 2.38 (1.23, 4.59) c Q4 1.76 (0.99, 3.12) 1.65 (0.91, 3.02) 1.54 (0.81, 2.94) 淡水鱼类 Q1 1.00 1.00 1.00 Q2 1.13 (0.63, 2.02) 1.21 (0.65, 2.24) 1.27 (0.66, 2.42) Q3 2.08 (1.17, 3.69)c 2.24 (1.21, 4.13) c 2.18 (1.13, 4.21) c Q4 1.57 (0.89, 2.75) 1.61 (0.88, 2.93) 1.48 (0.77, 2.84) 海水鱼类 Q1 1.00 1.00 1.00 Q2 1.61 (1.00, 2.58) 1.65 (0.98, 2.74) 1.62 (0.95, 2.75) Q3 1.53 (0.93, 2.53) 1.41 (0.80, 2.46) 1.42 (0.79, 2.55) Q4 1.72 (0.88, 2.10) 1.38 (0.91, 2.57) 1.53 (0.84, 2.60) 蛋类 Q1 1.00 1.00 1.00 Q2 1.27 (0.72, 2.25) 1.19 (0.65, 2.17) 1.22 (0.64, 2.30) Q3 1.64 (0.74, 3.66) 1.25 (0.54, 2.89) 1.40 (0.57, 3.42) Q4 1.34 (0.77, 2.33) 1.21 (0.67, 2.18) 1.15 (0.61, 2.18) 奶类 Q1 1.00 1.00 1.00 Q2 1.00 (0.57, 1.75) 0.89 (0.48, 1.63) 0.80 (0.43, 1.52) Q3 0.78 (0.44, 1.37) 0.73 (0.40, 1.34) 0.58 (0.31, 1.11) Q4 0.76 (0.43, 1.34) 0.72 (0.39, 1.31) 0.57 (0.29, 1.12) 大豆 Q1 1.00 1.00 1.00 Q2 1.28 (0.73, 2.26) 1.17 (0.65, 2.12) 1.17 (0.63, 2.17) Q3 1.16 (0.66, 2.04) 1.28 (0.70, 2.34) 1.23 (0.65, 2.31) Q4 1.00 (0.57, 1.76) 1.05 (0.58, 1.91) 0.96 (0.50, 1.86) 坚果类 Q1 1.00 1.00 1.00 Q2 0.82 (0.46, 1.43) 0.86 (0.47, 1.56) 0.96 (0.51, 1.80) Q3 1.25 (0.71, 2.20) 1.42 (0.78, 2.58) 1.53 (0.81, 2.92) Q4 1.35 (0.76, 2.39) 1.38 (0.75, 2.54) 1.37 (0.68, 2.74) 注:a模型1校正了孕妇年龄、孕前BMI、文化程度、家庭人均月收入;b模型2校正了孕妇年龄、孕前BMI、文化程度、家庭人均月收入、调查时孕周、食物过敏史、是否首次怀孕、孕期被动吸烟史、湿疹家族史、每日总能量摄入,婴儿喂养模式、纯母乳喂养持续时间、6个月内是否引入辅食。cP < 0.05。 -
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