Sentence examples for by three age groups from inspiring English sources

Random sampling was stratified by three age groups.

The study analyzed data of parent-reported ASD diagnoses from 1,366 children in the National Survey of Children's Health 2007 dataset by three age groups: young children (3 to 5 years), children (6 to 11 years) and adolescents (12 to 17 years).

This trend was seen, even in 2006; according to the National Corporation for National and Community Service, "the percentage of teenagers who volunteer more than doubled between 1989 and 2005 (from 13.4%too 28.4%)" with "growth in volunteering has been driven primarily by three age groups: older teenagers (age 16 to 19); mid-life adults (ages 45 to 64); and older adults (65 years old and over)".

The current study had a greater number of DCIS cases (555 vs. ≤300) and stratified associations by three age groups.

Randomisation was performed by means of a computerised block sequence stratified by three age groups (44 54, 55 64, and 65 80 years), sex, prior disease at enrolment (myocardial infarction, acute coronary syndrome, or ischaemic stroke) and recruitment centre.

Figure 1 shows the association between length of stay in Norway and use of hormonal contraceptives for the two aggregated immigrant groups as compared with the Norwegian women (reference, OR = 1), by three age groups.

Subjective ratings on the fire alarm audibility in terms of minimum fire alarm SPL were studied with 230 awaken subjects divided by two age groups (22 48 and 66 88) in the five elder care centres.

Played by four age groups of real cheetahs -- tiny cubs, somewhat bigger cubs, a 7-month-old and five adults -- Duma was born both for intimate close-ups and for expansive long shots that allow Mr. Ballard to make the most of the dazzling surroundings.

Recorded clinical characteristics of the patients, divided by five age groups, are given in Table 1.

Finally, we analyzed the data stratified by two age groups (65 74 vs. ≥ 75 years).

This analysis was conducted for the whole sample and stratifying by two age groups (6-7 years, 8-12 years).