Q4 2018Q3 2018Q2 2018Q1 2018Q4 2017
Same-store sales growth0.6%N/AN/A-3.3%-1.8%
Same-store traffic growth0.5%N/AN/A-8.0%-5.9%
Same-store avg check growth0.1%N/AN/A4.7%4.1%
Same-store menu price growth-0.6%N/AN/A2.5%2.7%
Same-store price mix growth0.7%N/AN/A2.2%1.4%

Notes:Same-store sales, referred to by the company as "comparable restaurant sales," includes sales from restaurants open at least 18 months