Table 1.
Number of invited and participating subjects in cohort of Norway (CONOR) 1994–2003
| Name of the study | Year of survey | Number invited | Invited age-groups in years | Number of participantsa | |||
|---|---|---|---|---|---|---|---|
| Men | Women | Total | Web address | ||||
| Tromsø IV (The fourth Tromsø Study) | 1994–1995 | 37 558 | 25+ | 12 797 | 14 128 | 26 925 | http://uit.no/tromsoundersokelsen/tromso4/2 |
| HUNT II (The second North-Trøndelag Study) | 1995–1997 | 94 196 | 20+ | 30 441 | 34 576 | 65 017 | http://www.hunt.ntnu.no/ |
| HUSK (The Hordaland Health Study) | 1997–1999 | 38 587 | 40–44, 46–47, 70–72 | 11 678 | 13 851 | 25 529 | http://www.uib.no/isf/husk/ |
| Oslo II (The second Oslo Study) | 2000 | 14 209 | 48–77 | 6919 | 6919 | http://www.fhi.no/artikler/?id=54685 | |
| HUBRO (The Oslo Health Study) | 2000–2001 | 58 660 | 30, 31, 40, 45, 46, 59/60, 75/76 | 9509 | 11 852 | 21 361 | http://www.fhi.no/artikler/?id=54464 |
| OPPHED (The Oppland and Hedmark Health Study) | 2000–2001 | 22 327 | 30, 40, 45, 60, 75 | 5602 | 6661 | 12 263 | http://www.fhi.no/artikler/?id=28233 |
| Tromsø V (The fifth Tromsø Study) | 2001 | 10 353 | 30+ | 3440 | 4457 | 7897 | http://uit.no/tromsoundersokelsen/tromso5/2 |
| I-HUBRO (The Oslo Immigrant Health Study) | 2002 | 12 088 | 20–60 | 1877 | 1737 | 3614 | http://www.fhi.no/artikler/?id=28217 |
| TROFINN (The Troms and Finnmark Health Study) | 2002 | 16 229 | 30–77 | 4196 | 4836 | 9032 | http://www.fhi.no/artikler/?id=28261 |
| MoRo II (The second part of the Romsås in Motion Study) | 2003 | 5535 | 34–70 | 896 | 1093 | 1989 | http://www.fhi.no/artikler/?id=28254 |
| CONOR (Cohort Norway)a | 1994–2003 | 309 742 | 20–103 | ||||
| Sum of participants | 87 355 | 93 191 | 180 546 | http://www.fhi.no/artikler/?id=28138 | |||
| Sum of individuals | 84 153 | 89 083 | 173 236 | ||||
aNumber of participants equals those who attended the survey and agreed that information from the CONOR survey and blood samples can be linked to other registers and used in research. A total of 7310 individuals participated in more than one survey. Thus, the total number of individuals equals 173 236.