她们是已婚或同居，或者是民事联合？
研究发现指数高低与结婚或同居的人数比例是相关的。
The study found there was a correlation between the ratings on the index and proportion of citizens who were married or Shared their home with a partner.
研究发现指数高低与结婚或同居的人数比例是相关的。
The study found there was a correlation between the ratings on the index and proportion of citizens who were married or shared their home with a partner。
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