Validating a semi-quantitative food frequency questionnaire to assess regional diet in a study of cancer in South West Nigeria.

Validating a semi-quantitative food frequency questionnaire to assess regional diet in a study of cancer in South West Nigeria.
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DOI:
10.1007/s10552-023-01684-0
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发表时间:
2023-06
影响因子:
2.3
通讯作者:
Du, Mengmeng
Du, Mengmeng
中科院分区:
医学4区
文献类型:
--
作者:
Samson, Marguerite L.;Peeri, Noah C.;Alatise, Olusegun Isaac;O'Connell, Kelli;Sharma, Avinash;Ogunleye, Samson Gbenga;Aderounmu, Adewale A.;Olasehinde, Olalekan;Ogundokun, Akinjide Olurotimi;Ikujenlola, Abiodun Victor;Fatusi, Adesegun;Kingham, T. Peter;Du, Mengmeng

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在撒哈拉以南非洲人口最多的国家尼日利亚,癌症负担正在迅速上升;这一趋势可能部分归因于饮食。我们开发并验证了第一个半定量食物频率问卷(FFQ),以评估区域饮食在尼日利亚。我们从尼日利亚西南部的农村和城市环境中招募了68名成年参与者。我们开发了一种FFQ,在基线时进行管理,并使用3次饮食回忆(基线、基线后7天、基线后3个月)评估其有效性。我们计算了食物和常量营养素的斯皮尔曼等级相关系数和能量调整去衰减相关系数。我们将交叉分类评估为四分位数。FFQ和饮食召回之间的能量调整减毒食物项目相关性范围为-0.08(熏牛肉/山羊)至0.73(油炸小吃),前2次召回的平均摄入量(2DR)为-0.05(熏牛肉/山羊)至0.75(熏鱼),所有3次召回的平均值(3DR)为-0.05(熏牛肉/山羊)至0.75(熏鱼)。大量营养素的相关性范围为0.15(脂肪)至0.37(纤维)的2DR和0.08(脂肪)至0.41(碳水化合物)的3DR。在同一个四分位数中,2DR的参与者百分比从16.4%(脂肪)到32.8%(纤维,蛋白质)不等,3DR的参与者百分比从25.6%(脂肪)到34.9%(碳水化合物)不等。当包括相邻四分位数时,2DR的一致性从65.5%(碳水化合物)提高到70.5%(脂肪、纤维),3DR的一致性从62.8%(蛋白质)提高到76.8%(碳水化合物)。我们的半定量FFQ对于尼日利亚西南部成年人某些食物和常量营养素的摄入量排名是合理有效的。
Cancer burden is rising rapidly in Nigeria, the most populous country in sub-Saharan Africa; this trend may in part be attributable to diet. We developed and validated the first semi-quantitative food frequency questionnaire (FFQ) to assess regional diet in Nigeria. We recruited 68 adult participants from rural and urban settings in South West Nigeria. We developed an FFQ administered at baseline and assessed its validity using 3 dietary recalls (baseline, 7 days post baseline, 3 months post baseline). We calculated Spearman’s rank correlation coefficients and energy-adjusted de-attenuated correlation coefficients for food items and macronutrients. We evaluated cross-classification into quartiles. Energy-adjusted de-attenuated food item correlations between the FFQ and dietary recalls ranged from −0.08 (smoked beef/goat) to 0.73 (fried snacks) for the average intake from the first 2 recalls (2DR) and from −0.05 (smoked beef/goat) to 0.75 (smoked fish) for the average of all 3 recalls (3DR). Macronutrient correlations ranged from 0.15 (fat) to 0.37 (fiber) for the 2DR and from 0.08 (fat) to 0.41 (carbohydrates) for the 3DR. The percent of participants classified in the same quartile ranged from 16.4% (fat) to 32.8% (fiber, protein) for the 2DR and from 25.6% (fat) to 34.9% (carbohydrates) for the 3DR. Agreement improved when including adjacent quartiles, from 65.5 % (carbohydrates) to 70.5 % (fat, fiber) for the 2DR and from 62.8% (protein) to 76.8% (carbohydrate) for the 3DR. Our semi-quantitative FFQ was reasonably valid for ranking intake of certain foods and macronutrients in adults in South West Nigeria.
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