Predictors for having persistent PGP or combined pain after delivery were low endurance of back flexors, older age, combined pain in early pregnancy and work dissatisfaction (explained variance 30%).

产后持续性PGP或合并疼痛在背屈、高龄、妊娠早期合并疼痛及对工作不满者中更易发生。

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The proportions of the variance explained by the models ranged from 21% to 28%.

由模型说明的方差比例范围为21%至28%。

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Metropolitan isolation segregation and black-white disparities in very preterm birth: a test of mediating pathways and variance explained.

《大都市的隔离与黑人、白人之间早产之差异：调和路径与差异解释之检验》，迈克尔·r·克拉默等，埃默里大学(Emory University)。

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The explained variance of this residual yield by climate is generally about 50%, which is very close to the average I found for corn, soybeans, and winter wheat.

FORBES: Climategate II: An Open Letter to the Director of the National Center for Atmospheric Research

In fact, the Brinson, Hood and Beebower study a lot of advisors chant about demonstrated that 90% or more of the variance in returns among large pension plans was explained merely by their allocation to stocks, bonds and cash.

FORBES: Fake Diversification: Does Asset Allocation Work?