Balem M, Perrot B, Hardouin JB, et al. - Based on findings, researchers suggest wagering inducements as a risk factor for developing or exacerbating gambling problems.

• As a part of the second stage of the Screening for Excessive Gambling Behaviors on the Internet (EDEIN) research program, this longitudinal observational study was conducted and included on-line surveys completed by a total of 9,306 gamblers who played poker, horse race or sports betting and 5,682 gamblers who played lotteries and scratch games.

• An increase of gambling intensity, gambling frequency and at-risk gambling behaviors occurred with the use of wagering inducements; increases occurred at the same week of the use.

• A stronger effect was observed for at-risk gambling behaviors and at-risk gamblers.