TABLE 2.

Effects of religion, gender, and age on antibody titers, pre- and postvaccination, to V. cholerae strains Inaba, Ogawa, and O139

Strain	Assay day or fold increasea	Effect (P) on antibody titerb
		Religion	Gender	Age
Inaba	Day 0	0.2	0.02	0.009
	Day 28	0.1	<0.0006	0.4
	Fold increase	0.1	0.6	0.004
Ogawa	Day 0	0.1	0.001	0.9
	Day 28	0.03	<0.0006	0.1
	Fold increase	0.3	0.7	0.04
O139	Day 0	1	0.2	0.2
	Day 28	0.7	0.5	0.3
	Fold increase	0.8	0.7	0.9

^aDay 0, prevaccination; day 28, postvaccination.

^bThat is, the antibody titer to the strains listed in column 1.