Sentence examples for strata was calculated from inspiring English sources

The total under-five population in the exposed and unexposed strata was calculated as 6,957 and 27,905, respectively, giving the sample size as 381 and 389.

The first component is 7 divided by the number of days per week of enrollment, usually 4. For the second component, the quarterly enrollment rate for each of 3 age strata was calculated.

Item strata are calculated using the following formula (Beglar, 2010): Item strata = 4 Gitem + 1 / 3. where Gitem is the Rasch item separation value (derived by dividing the item standard deviations by the average measurement error).

The overall prevalence and the prevalence ratio (PR) for specific sample strata were calculated and the respective 95% confidence intervals are reported.

A multilevel analysis was done using complex sample methods where design-based weights for different sampling strata were calculated as the reciprocal of the probability of selection of units in that particular strata.

The estimated prevalence, by region and strata, were calculated using the commands svyset <  animal identification variable > [pweight = < variable of weight>], strata (< region variable identification>) to set the starting variables and svy command:prop <  variable with result > for all data and strata (if option <  stratum variable > = <  stratum code>).

Tests for trend in the ORs across exposure strata were calculated for ordinal variables by using logistic models that included categorical terms as continuous variables in a model with all the potential confounders and, where appropriate, omitting the never or former users/exposed.

Total number of bedridden days per year (BDY) in the given age and sex stratum was calculated as follows: Health care resource use.

Total number of bedridden days per year (BDY) in the given age and sex stratum was calculated as follows: where NMS is the number of migraine sufferers in an age and sex stratum, FAY the frequency of migraine attacks per year, ABH the average bedridden hours when lying down with a migraine attack.

The average per capita cost for diabetic supplies by age-sex-race stratum was calculated from the MEPS 2008 2010.

The expected number of cancers for each stratum was calculated by multiplying the person-years at risk in each stratum by the corresponding sex-, age- and calendar period-specific incidence rates for Scotland.