Volume 11 — August 07, 2014
COMMUNITY CASE STUDY
Working With Community Partners to Implement and Evaluate the Chicago Park District’s 100% Healthier Snack Vending Initiative
| Month and Year | Sales by Month per Machine, $ | Number of Machines in Place |
|---|---|---|
| June 2011 | 84 | 7 |
| July 2011 | 131 | 19 |
| August 2011 | 204 | 27 |
| September 2011 | 157 | 32 |
| October-2011 | 163 | 45 |
| November 2011 | 173 | 54 |
| December 2011 | 268 | 55 |
| January 2012 | 177 | 71 |
| February 2012 | 249 | 86 |
| March 2012 | 351 | 93 |
| April 2012 | 288 | 95 |
| May 2012 | 370 | 97 |
| June 2012 | 266 | 97 |
| July 2012 | 443 | 97 |
| August 2012 | 371 | 98 |
Figure 1. Average monthly sales per machine during the machine deployment period (June 2011 through August 2012).
| Month | No. of Out-of-Stock Items per Machine | Industry Standard |
|---|---|---|
| June 2011 | 17.0 | 5 |
| July 2011 | 14.3 | 5 |
| August 2011 | 8.0 | 5 |
| September 2011 | 6.1 | 5 |
| October-2011 | 8.9 | 5 |
| November 2011 | 6.1 | 5 |
| December 2011 | 9.0 | 5 |
| January 2012 | 6.0 | 5 |
| February 2012 | 5.9 | 5 |
| March 2012 | 5.4 | 5 |
| April 2012 | 4.0 | 5 |
| May 2012 | 4.1 | 5 |
| June 2012 | 3.8 | 5 |
| July 2012 | 6.8 | 5 |
| August 2012 | 3.5 | 5 |
Figure 2. The average number of out-of-stock items (empty slots) per
machine at time of refill by month (June 2011 through August 2012).
The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions.
