While there are plenty of databases for many different languages, they usually contain only native speech data.
They are asked to complete the questionnaire, translated into their native language, by entering data directly into anonymised online database.
When all analyses were completed, crosschecking of the results occurred in the cases that knowledge of each other's native language allowed for it, and data and reports were examined across languages.
Multiple languages (e.g., English, Spanish, and French) are supported, allowing local data entry personnel to view and enter data in their native language.
We collect a lot of language data written by non-native speakers, as well as some corrected by non-native speakers," says Zhang. "Our development team understands the pain of non-native speakers, too".
However, it would have been better to conduct the initial data analysis in the native language and then to translate the results.
During the analysis stage the data was used in its native language.
Data for birth-related variables were from the 1999 2001 national Finnish Medical Birth Register at STAKES National Research and Development Centree for Welfare and Health), which was linked to the Population Register for maternal data on country of birth, native language and citizenship.
