Effect Modification and Vitamin A Supplementation in Low Birth Weight Infants Qu...

The presence of multiplicative effect modification is not relevant in this context.

There is no evidence of multiplicative effect modification as the relative risks are consistent across strata.

The conclusion cannot be determined based on the given data.

There is evidence of multiplicative effect modification as the relative risks vary across strata. (correct)

By calculating the odds ratio for each stratum.

By comparing the total number of LBW and NBW infants.

By conducting a separate randomized trial for each stratum.

By calculating the Mantel-Haenszel estimate of the relative risk. (correct)

Yes, there is evidence of effect modification on the additive scale. (correct)

No, there is no evidence of effect modification on the additive scale.

Effect modification is not relevant in assessing respiratory disease risk.

The data provided is insufficient to determine effect modification on the additive scale.

<p>It is synergistic, indicating a combined effect greater than the sum of individual effects.</p> Signup and view all the answers

<p>10 cases of respiratory disease will be prevented.</p> Signup and view all the answers