Sentence examples for irregular prevalence from inspiring English sources

Specific cultures to recover lungworm larvae showed a low and irregular prevalence of Muellerius capillaris and Protostrongylus rufescens on a flock level, whereas Dictyocaulus filaria was not recorded at any time during the 3 years of this survey.

Collection was irregular, based on prevalence of and access to cases of GAS disease.

Another area of difficulty that learners of English often comment on is the prevalence of irregular past verbs in English.

(That control, though still significant in most places, does not necessarily represent a monopoly, because of the prevalence of irregular armed forces in the developing world).

Spierings and Padamsee et al. also found similar results; the prevalence of irregular menstrual cycles occurred in 16.7% of the migraine population [24], which depended on the definition used for irregular menstrual cycle.

According to the systematic review published by the World Health Organization (WHO, 2004) and data from some developing countries, the prevalence of irregular menstrual cycles was between 5 and 16% in the general population.

The latter study fits partly with our results, though we found a lower prevalence of irregular menstrual cycles of about 8% (47% of these women had received hormonal contraception).

Older age and smoking were associated with a decreased prevalence of irregular periods.

Low physical activity and heavy alcohol consumption were associated with an increased prevalence of irregular periods.

However, our results disagree with previous studies that found a higher prevalence of irregular cycles among smokers.

We also found that women who were both obese and sedentary had a higher prevalence of irregular periods compared with normal-weight women who exercised moderately.