Sources of identification of RHINESSA adult participants (18+ years) (G3) and their parents (G2), by centre, including a questionnaire cohort (8818 offspring with their 6441 parents), and a clinical cohort (1405 offspring with their 1041 parents)
| Study centre | Parents (G2) | RHINESSA adult offspring (G3) | ||
| Source used for identifying offspring | N | Source of identification | N included in cohort | |
| Questionnaire cohort | ||||
| Norway, Bergen | ECRHS I quest. respondents | 1250 | National registers | 1763 |
| Denmark, Aarhus | ECRHS I quest. respondents | 974 | National registers | 1224 |
| Sweden, Uppsala | RHINE III quest. respondents | 894 | National registers | 1314 |
| Sweden, Göteborg | RHINE III quest. respondents | 709 | National registers | 951 |
| Sweden, Umeå | RHINE III quest. respondents | 876 | National registers | 1307 |
| Iceland, Reykjavik | ECRHS I quest. respondents | 977 | National registers | 1245 |
| Estonia, Tartu | ECRHS I quest. respondents | 525 | National registers | 618 |
| Australia, Melbourne | ECRHS III clin. respondents | 149 | Through the parents | 245* |
| Spain, Huelva | ECRHS III clin. respondents | 48 | Through the parents | 72* |
| Spain, Albacete | ECRHS III clin. respondents | 39 | Through the parents | 79* |
| Clinical cohort | ||||
| Norway, Bergen | ECRHS III clin. respondents | 346 | National registers | 499 |
| Denmark, Aarhus | ECRHS III clin. respondents | 68 | National registers | 83 |
| Sweden, Uppsala | ECRHS III clin. respondents | 74 | National registers | 90 |
| Sweden, Göteborg | ECRHS III clin. respondents | 53 | National registers | 60 |
| Sweden, Umeå | ECRHS III clin. respondents | 66 | National registers | 86 |
| Iceland, Reykjavik | ECRHS III clin. respondents | 97 | National registers | 120 |
| Estonia, Tartu | ECRHS III clin. respondents | 159 | National registers | 195 |
| Australia, Melbourne | ECRHS III clin. respondents | 102 | Through the parents | 144 |
| Spain, Huelva | ECRHS III clin. respondents | 38 | Through the parents | 62 |
| Spain, Albacete | ECRHS III clin. respondents | 38 | Through the parents | 66 |
*Parental (G2) information extracted from the ECRHS and harmonised with RHINE questions.
ECRHS, European Community Respiratory Heath Survey; RHINE, Respiratory Health In Northern Europe; RHINESSA, Respiratory Health in Northern Europe, Spain and Australia.