TABLE 3.
Rates of seroconversion and seroreversion in H. pylori infection among adults living with or without children, South Kiso town, Japan
| Serology group | No. (%) of adults
|
||
|---|---|---|---|
| Living with children (n = 80)a | Not living with children (n = 96)b | Total (n = 176) | |
| Persistent negative | 13 (93) | 17 (94) | 30 (94) |
| Seroconvertersc | 1 (7) | 1 (6) | 2 (6) |
| Persistent positive | 55 (83) | 68 (87) | 123 (85) |
| Serorevertersd | 11 (17) | 10 (13) | 22 (15) |
a
Fathers and/or mothers.
b
Total of 48 couples.
c
Adults tested negative at entry and became positive at the end of the study (i.e., acquired the infection).
d
Adults tested positive at entry and tested negative at the end of the study (i.e., lost the infection).