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. 2011 Feb 21;119(6):821–826. doi: 10.1289/ehp.119-821

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Time-series AR model results for LE at birth (A) and IM (B) in the United States, China, and India, representing the highest population countries in the low-IM/high-LE, mid-IM/LE, and high-IM/low-LE groups, respectively. LE at birth (years) and IM (per 1,000 live births) are plotted in red; results of the model described by Equation 1, including 95% confidence intervals, are plotted in blue. Adjusted R² values are 0.92 (India), 0.74 (China), and 0.66 (United States) for LE models and 0.79 (India), 0.87 (China), and 0.92 (United States) for IM models.