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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: Public Health. 2013 Jul 25;127(8):766–776. doi: 10.1016/j.puhe.2013.05.006

Table 1. Researchers’ experience assessing mobile food vendors on Bronx streets and factors potentially complicating future assessments.

Assessment experience and potentially complicating factors N (%)a
Assessment experience by interview status 372 (100)
Vendor not Interviewed (answered no questions) 141 (37.9)
   Vendor actively in transit (e.g., ice-cream trucks en route) 72 (51.1)
   Vendor refusedb 56 (39.7)
   Vendor absent from cart, truck, or stand 7 (5.0)
   Vendor with long line of customers 5 (3.6)
   Language barrier 1 (0.7)
Vendor interviewed (answered at least some questions) 231 (62.1)
   No difficulty; vendor cooperative and easily engaged 197 (85.3)
   Vendor seemed reluctant, nervous, suspiciousc 17 (7.4)
   Language barrier 12 (5.2)
   Vendor not owner; unsure how to answer interview questions 4 (1.7)
   Vendor with customers 1 (0.4)
Factors potentially complicating future assessment
Reporting time vending d 213 (57.3)
   Vendors starting business this year 43 (20.2)
   Median time vending: 4 years (range: <1 week to 35 years)
Language vendor most comfortable speaking d 225 (60.5)
   Spanish 173 (76.9)
   English 40 (17.8)
   Bengali 7 (3.1)
   Arabic 4 (1.8)
   Albanian 1 (0.4)
Reporting usual number of days selling d 227 (61.0)
   7 days per week 75 (33.0)
   6 days per week 55 (24.2)
   5 days per week 68 (30.0)
   4 days per week 7 (3.0)
   3 days per week 8 (3.5)
   2 days per week 2 (0.9)
   1 day per week 1 (0.4)
   Inconsistent number of days per week 11 (4.9)
Reporting usual pattern of days selling d 227 (61.0)
   Monday-Sunday 75 (33.0)
   Monday-Friday and one week-end day 54 (23.8)
   Monday-Friday and no week-end days 67 (29.5)
   Some days Monday-Friday but no week-end days 13 (5.73)
   Both week-end days and any day(s) Monday-Friday 3 (1.3)
   One week-end day and any day(s) Monday-Friday 2 (0.9)
   Inconsistent pattern of days selling 13 (5.7)
Reporting usual vending hours d 211 (56.7)
   Median start hour: 10 am (range: 3 am - 4 pm)
   Median end hour: 6pm (range: noon - 10pm)
Reporting usual vending months d 203 (54.6)
   Vendors selling year round (all 12 months) 49 (24.1)
   Median start month: April (range: January - September)
   Median end month: October (range: July - December)
Reporting ever selling elsewhere d e 227 (61.0)
   Yes 67 (29.5)
   No 160 (70.5)
Having the ability to move elsewhere easily f 372 (100)
   Yes 262 (70.4)
   No 110 (29.6)
Vending from inside vending vehicle g 372 (100)
   Yes 78 (21.0)
   No 294 (79.0)
Reporting vending irrespective of weather d 216 (58.1)
   Yes 30 (13.9)
   No 186 (86.1)
Selling adjacent to store-front competitorsh, i 300 (80.6)
   Yes 64 (21.3)
   No 236 (78.7)
Displaying mandatory vending permit and/or license h 300 (100)
   Yes 102 (34.0)
   No 198 (66.0)
a

Percentages within categories may not sum to 100 due to rounding.

b

Reasons for refusing to answer questions included: concern that answering would “cause trouble” or adversely affect the vendor’s business; reportedly being “too busy” (even when no customers were in sight); reportedly having “no time”; reportedly having to leave (e.g., to make an appointment elsewhere); reportedly not being the owner and not authorized or informed enough to answer; getting advice from an customer, adjacent vendor, or friend to not communicate with investigators; or unstated

c

Vendors often repeatedly asked what interview questions were about and requested to see investigators’ identification (but were seldom reassured by student badges). Some vendors described harassment by adjacent store-front businesses (e.g. verbal threats and threatening notes left on vending vehicles); they worried about getting tickets from police, which reportedly was common. They also worried about health inspectors and being closed down. Even when participating in interviews, some vendors’ answers often tended to be vague and evasive.

d

Data available for <100% of total sample if: vendor “in transit”; not at cart, truck, or stand; with customers; unable or unwilling to answer specific question; or not speaking enough English or Spanish to understand inquiry and communicate a response to bilingual investigators.

e

Selling on other streets, in other neighborhoods, or even in other boroughs of the city

f

Some vendors could easily and rapidly change location as needed (e.g., trucks, vans, push carts) whereas others could not (e.g., those selling from stationary tables or stands that would have to be packed up before moving)

g

Whether the vendor was protected inside of the vehicle (e.g., food truck) or not (e.g. push cart) had implications for whether the vendor came out during inclement whether, and also often affected the interview dynamic (e.g., vendors having the ability to abruptly shut vending window and hide inside of the vehicle, claiming to be closed).

h

Data available for <100% of total sample because of vendors “in transit”

i

If similar products might be available from store-front businesses visible from the vendor’s location (e.g., if there was an ice-cream store three doors down from a snow-cone vendor).