Selected characteristics of the persons in the study cohorts.

*Pamidronic acid, alendronic acid, ibandronic acid, risedronic acid, zoledronic acid, risedronic acid in combination preparation with calcium, or risedronic acid with calcium and cholecalsiferol. †Etidronic acid, clodronic acid, tiludronic acid, or etidronic acid with calcium. ‡As indicated in the Special Reimbursement Register of the Social Insurance Institution in Finland.