Outcome | Sample at riska, n | Baseline | Follow-up |
---|---|---|---|
One-year prevalence of short-duration BNP in 2006 | 10,083 men and 12,765 women | The proportion of individuals in the cohort having experienced at least one episode of BNP in at least 7 consecutive days, but less than 3 consecutive months in 2006 according to a retrospective question in the follow-up questionnaire in 2007 | - |
One-year prevalence of long-duration BNP in 2006 | 10,298 men and 13,146 women | The proportion of individuals in the cohort having experienced constant or at least one episode of bothersome neck pain in at least 3 consecutive months in 2006 according to a retrospective question in the follow-up questionnaire in 2007 | - |
One-year prevalence of short- and/or long-duration BNP in 2006 | 10,123 men and 12,878 women | The proportion of individuals in the cohort having experienced at least one episode of short-duration BNP and/or long-duration BNP in 2006 according to a retrospective question in the follow-up questionnaire in 2007 | - |
Incidence proportion of short- and/or long-duration BNP in 2006 | 8,747 men and 10,105 women | Individuals without short or long- duration BNP in 2005 according to a retrospective question in the follow-up questionnaire in 2007. | The proportion of episodes (1-2 episodes per individual) in the cohort of short- and/or long-duration BNP in 2006 according to a retrospective question in the follow-up questionnaire in 2007 |
Incidence proportion of recovery from short- and/or long-duration BNP in 2006 | 1,358 men and 2,728 women | Individuals with short- and/or long-duration BNP in 2005 according to a retrospective question in the follow-up questionnaire in 2007 | The proportion of individuals without short- or long-duration BNP in 2006 according to a retrospective question in the follow-up questionnaire in 2007 |