Sentence examples for period indicators from inspiring English sources

†P values obtained from interaction terms for group and time period indicators.

This means that we included indicator variables for the periods and multiplicative linear terms of the pollutant and the period indicators.

†P values for test of equality of study and comparison group effects were obtained from interaction terms for group and time period indicators.

The use of a continuous variable to represent birth cohort influences avoids the identification problem that any two of age, cohort, and period indicators can be linearly combined to produce the third (23).

We regressed the log of the prevalence estimate on a series of age and cohort or age and period indicators, with each prevalence estimate weighted by the number of observations that gave rise to it.

Then, in an age/period/cohort model, we regressed the log of the prevalence estimate on age and period indicators, plus a continuous variable equal to the prevalence of obesity at 25 years of age in the corresponding birth cohort.

The LRχ2 values refer to those associated with the time period indicator variable.

The study group indicator variable, intervention relative to non-intervention, and intervention period indicator variable, post-intervention relative to pre-intervention, were included as main effect terms.

Strike period mortality effect estimates indicated a decrease in mortality of approximately 1.5 4.0% depending on the model and strike period indicator used.

Overall as well as age- and sex-specific factors for the excess were estimated by including additional terms (either an O104:H4 outbreak period indicator or a triple interaction term between outbreak period, age and sex) in the model.

In contrast, the session period indicator did not confound the inverse association for the average of the 9th- through 18th-hr PM2.5 preceding FEV1. Figure 4B adjusts for session period.