Table 2.
Effect of OPV vs IPV at 39 Weeks on Different Diarrheal Outcomes in Subsequent 12 Weeks
| Outcome | OPV Group Avg | IPV Group Avg | |||
|---|---|---|---|---|---|
| Est | n | Est | n | P-Value | |
| All infants | |||||
| Any occurrence of diarrhea | 62.5% | 315 | 56.9% | 299 | .18 |
| Number of days with diarrhea | 5.9 | 197 | 6.7 | 170 | .0037a |
| Number of diarrheal episodes | 1.7 | 197 | 1.9 | 170 | .054a |
| Females | |||||
| Any occurrence of diarrhea | 65.0% | 140 | 53.6% | 153 | .062 |
| Number of days with diarrhea | 5.2 | 91 | 5.5 | 82 | .23a |
| Number of diarrheal episodes | 1.6 | 91 | 1.7 | 82 | .26a |
| Males | |||||
| Any occurrence of diarrhea | 60.6% | 175 | 60.3% | 146 | .99 |
| Number of days with diarrhea | 6.6 | 106 | 7.7 | 88 | .0025a |
| Number of diarrheal episodes | 1.8 | 106 | 2.1 | 88 | .10a |
Abbreviations: IPV, inactivated polio vaccine; OPV, oral polio vaccine.
a P-value from zero-truncated Poisson model.