John Hancock announced incentives last year
on its insurance policies for people willing share
data gathered by health-monitoring devices. It
offers free Fitbits to participants.
Last year, Fitbit acquired a health coaching
business that helps people manage conditions
such as diabetes and high blood pressure.
Fitbit ranks fourth in global shipments of digital
watches, fitness trackers and other wrist-worn
devices, according to research firm IDC. Chinese
companies Xiaomi and Huawei were No. 1 and
No. 3, Apple was No. 2, and Samsung came in fifth.