Data on possible confounding factors were obtained from an extensive, structured interview.

可能的混合因素资料从多方面，结构性访谈中获得。

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Information on potential confounding factors was obtained from the interviews and medical charts.

自访谈和病历得到有关潜在的致混淆因素。

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We used Cox regression models to estimate the risk of cancer and adjust for potential confounding factors.

我们使用Cox回归模型来估计罹患癌症的风险并根据潜在的混淆因素进行校正。

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This result held true even when confounding factors like income levels were accounted for.

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These results remained consistent after adjusting for confounding factors and controlling for other potential sources of bias.

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This was designed to eliminate confounding factors such as the 'comforting' effect of drinking a cup of tea.

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