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1·Distance decay was steeper for meningitis than for pneumonia, for females than for males, and for areas where mothers had less education on average.

患脑膜炎与患肺炎相比，女性与男性相比，前者距离衰减幅度更大，并且在母亲平均教育水平较低的地区距离衰减幅度也更大。