McDonald’s store traffic fell further than expected in the first quarter as economic uncertainty weighed on diners.

McDonald’s store traffic fell unexpectedly in the first quarter as economic uncertainty weighed on diners. The burger giant’s same-store sales, or sales at locations open at least a year, fell 1% globally in the January-March period.

McDonald’s store traffic fell further than expected in the first quarter as economic uncertainty weighed on diners. The trouble was particularly acute in the U.S., where same-store sales — or sales at locations open at least a year — slumped 3.