Additional file 1 of Risk factors for natural menopause before the age of 45: evidence from two British population-based birth cohort studies

Additional file 1: Supplemetary material. Risk factors for natural menopause before the age of 45: evidence from two British population-based birth cohort stuides. Harmonised variables used in the analysis (Table 1 Menopause status); classification of women into menopause status (Table 2.1, 2.2 Menopause status); descriptive statistics for all variables included in the analysis for each cohort separately (Table 3 Descriptive statistics); univariate and multivariate study specific (Tables 5,6 Study specific) and pooled (Table 4 Pooled models) regression models.

附加文件1：补充材料。45岁前自然绝经的危险因素：两项英国基于人群的出生队列研究证据。分析中使用的协调变量（表1 绝经状态）；女性绝经状态的分类标准（表2.1、2.2 绝经状态）；各队列单独纳入分析的所有变量的描述性统计结果（表3 描述性统计）；针对各研究的单变量与多变量回归模型（表5、表6 针对各研究），以及合并回归模型（表4 合并模型）。