Sentence examples for based sampling was used from inspiring English sources

During the recruitment phase (2009 2010), geographically based sampling was used to recruit women early in pregnancy and women not currently pregnant, not using contraception and heterosexually active.

It was however encouraging that the weight effects were similar to those found in the previous year, when only a landline based sample was used.

The weight effects for 2012 were similar to, and in many cases less than, the effects found in the corresponding quarter of the 2011 NSWPHS when only a landline based sample was used.

Also as shown in Table  3 the weight effects for 2012 were similar to, and in many cases less than, the effects found in the corresponding quarter of the 2011 NSWPHS when only a landline based sample was used.

Multistage area-based sampling was used.

Population-based sampling was used to recruit 62 of the participants, which allows for estimations of prevalence.

Density-based sampling was used to select 10,000 controls free from hemorrhagic stroke.

Population-based sampling was used to identify and recruit HCHS/SOL participants (4).

In the urban areas of Blantyre and Lilongwe, spatial-based sampling was used to select randomly the first household of clusters (11 ).

Another study, in which population-based sampling was used, showed a reduced cancer risk for patients taking metformin compared with patients taking a sulfonylurea drug (12).

Quota-based sampling was used to reach a target sample of 800 with equal proportions of non-Hispanic black and white women.