Table 1

 Details of lunchtime purchases from fast food outlets in New York City: stores and customers in samples for 2007 and 2009 and customers seeing and using calorie information in 2009. Values are numbers (percentages) unless stated otherwise

No of stores (n=168)All receiptsUse of calorie information, 2009
2007 (n=7311)2009 (n=8489)P value of differenceNo (n=7073)*Yes (n=1288)*P value of differenceYes as proportion of total
Outlet:1288/8489 (15.2)
 McDonald’s45 (27)2454 (33.6)2815 (33.2)0.0012353 (33.3)417 (32.4)<0.001417/2815 (14.8)
 Burger King22 (13)1075 (14.7)1223 (14.4)1077 (15.2)135 (10.5)135/1223 (11.0)
 Wendy’s11 (7)434 (5.9)567 (6.7)481 (6.8)79 (6.1)79/567 (13.9)
 Subway47 (28)1830 (25.0)2047 (24.1)1545 (21.8)471 (36.6)471/2047 (23.0)
 Au Bon Pain2 (1)159 (2.2)150 (1.8)118 (1.7)31 (2.4)31/150 (20.7)
 KFC11 (7)421 (5.8)569 (6.7)493 (7.0)66 (5.1)66/569 (11.6)
 Popeye’s5 (3)357 (4.9)465 (5.5)414 (5.9)40 (3.1)40/465 (8.6)
 Domino’s10 (6)44 (0.6)55 (0.6)52 (0.7)1 (0.1)1/55 (1.8)
 Pizza Hut6 (4)81 (1.1)58 (0.7)49 (0.7)7 (0.5)7/58 (12.1)
 Papa John’s5 (3)206 (2.8)202 (2.4)193 (2.7)7 (0.5)7/202 (3.5)
 Taco Bell4 (2)250 (3.4)338 (4.0)298 (4.2)34 (2.6)34/338 (10.1)
Sex:
 Men3473 (47.5)4177 (49.2)0.0473586 (50.7)538 (41.8)<0.001538/4177 (12.9)
 Women3714 (50.8)4194 (49.4)3409 (48.2)732 (56.8)732/419 (17.5)
 Missing124 (1.7)119 (1.4)85 (1.2)19 (1.5)
Age (years)†:
 18–241494 (17.6)1316 (18.6)158 (12.3)<0.001158/1494 (10.6)
 25–342589 (30.5)2143 (30.3)412 (32.0)412/2589 (15.9)
 35–442165 (25.5)1782 (25.2)345 (26.8)345/2165 (15.9)
 ≥451800 (21.2)1768 (25.0)350 (27.2)350/1800 (19.4)
 Missing450 (5.3)64 (0.9)22 (1.7)
Poverty by customer residence†‡:
 Low 1375 (16.2)1103 (15.6)254 (19.7)<0.001254/1375 (18.5)
 Moderate 2759 (32.5)2256 (31.9)459 (35.6)459/2759 (16.6)
 High 3438 (40.5)2992 (42.3)402 (31.2)402/3438 (11.7)
 Outside city849 (10.0)686 (9.7)162 (12.6)162/849 (19.1)
 Missing68 (0.8)35 (0.5)12 (0.9)
Poverty by store location‡:
 Low 1974 (27.0)2521 (29.7)0.0012023 (28.6)477 (37.0)<0.001477/2521 (18.9)
 Moderate 2822 (38.6)3183 (37.5)2645 (37.4)489 (38.0)489/3183 (15.4)
 High 2508 (34.3)2784 (32.8)2412 (34.1)323 (25.1)323/2784 (11.6)
Description of purchase:
 Beverage4211 (57.6)4542 (53.5)<0.0013812 (53.9)653 (50.7)0.03
 Mean (SD) No of food items1.98 (1.2)1.99 (1.2)0.532.03 (1.3)1.77 (1.1)<0.001
 Mean (SD) cost ($)4.67 (2.1)5.09 (2.4)<0.0015.07 (2.4)5.19 (2.2)0.07

*Numbers do not add up to 8489 because some customers did not provide the information.

†Age and neighbourhood of residence were not collected in 2007.

‡Poverty is categorised by percentage of households in the store location or customer’s residential zip code that were below twice the national poverty level: <25% in low poverty neighbourhoods, 25%–45% in moderate poverty neighbourhoods, >45% in high poverty neighbourhoods.