Table 1.

Demographic Characteristics of Adult Survey Respondents in Baltimore and Philadelphia, Food Outlet Access Measures, and Fast Food Dining Frequency by Survey Source

Variable	Telephone Survey	Point-of-Purchase Survey
Sample Size	1,598	1,642
Demographic Variables
Mean Age (SD)**	45.3 (13.6)	39.5 (14.2)
Gender: % Male**	33.6%	60.5%
Education**
< High school diploma	11.3%	18.8%
High school dipl./GED	31.3%	24.8%
Some college	29.9%	12.9%
≥ 4-year college degree	27.5%	8.8%
Race**
African-American	50.8%	74.2%
Hispanic/Latino	35.6%	16.6%
White	12.4%	8.3%
Other	1.1%	0.9%
Location: Philadelphia (vs. Baltimore)	61.4%	59%
Post-calorie labeling period (6/2010) †a	45.5%	49.2%
Food Outlet Access Measures
Fast food outlet density
Within ¼ mile**	0.3 (0.7)	0.5 (0.9)
Within ½ mile^	1.1 (1.6)	1.3 (1.6)
Within 1 mile*	4.3 (4.0)	4.5 (3.3)
Supermarket outlet density
Within ¼ mile	0.2 (0.5)	0.2 (0.4)
Within ½ mile^	0.7 (0.8)	0.6 (0.7)
Within 1 mile	2.5 (1.9)	2.4 (1.7)
Presence/absence of fast food outlet
Respondents with ≥1 outlet within ¼ mile**	24.7%	29.7%
Respondents with ≥1 outlet within ½ mile*	53.5%	58.6%
Respondents with ≥1 outlet within 1 mile*	92.0%	95.1%
Presence/absence of supermarket
Respondents with ≥1 outlet within ¼ mile	17.8%	16.2%
Respondents with ≥1 outlet within ½ mile	50.2%	47.5%
Respondents with ≥1 outlet within 1 mile	89.0%	89.7%
Distance to nearest fast food (miles)**	0.6 (0.3)	0.5 (0.3)
Distance to nearest supermarket (miles)**	0.6 (0.4)	0.6 (0.4)
Weekly fast food dining frequency** (times per week)	1.4 (2.2)	5.3 (4.1)

^†p < .05

^{^}p < .01,

^*p < .001,

^**p < .0001

^aThe percent of respondents from each survey (telephone vs. point-of-purchase) who were interviewed in June 2010, after calorie labeling was introduced in Philadelphia.