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Ninety-eight heterosexual couples, at least one of whom was HIV- infected, were enrolled in an HIV transmission study and interviewed about sexual behavior. Table E3.25 provides a summary of condom use reported by heterosexual partners. How strongly do the couples agree?

TABLE E3.25
		Man
Woman	Ever		Never	Total
Ever	45		6	51
Never	7		40	47
Total	52		46	98

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