Response Rates_08-10

Attachment D:
Response Rates and Descriptive Statistics for
WasteWise Program

WasteWise Data 2008-2010
I.

Overall Response Rate
A. Registration Form: N/A (universe of potential respondents is unknown; 100% of partners complete the
form)
B. Assessment Form

Reporting Year
2008
2009
2010

Number of Reports
Received
305
489
372**

Number of Active
Partners
1,054*
1,054*
1,054

Response Rate
29%
46%
35%

*Estimate, based on 2010 active partners. Exact number may be different due to Partner Assurance Process implemented in 2008.
**As of April 22, 2011. WasteWise is still processing 2010 data.

II.

Items of Non-Response
A. Section II: Registration Form - Goals
Approximately 50% of partners did not respond to the question in this section (based on a review of a
random sample of 20 forms)
B. Sections II-IV: Assessment Form – number of partners who did not provide any response in that section

Reporting Year
2008
2009
2010

Section II: Waste
Prevention/Recycling
17 (6%)
38 (8%)
7 (2%)*

Section III: Cost
Savings/Revenue
113 (37%)
152 (31%)
118 (32%)*

Section IV: Buy Recycled
Products
101 (33%)
168 (34%)
135 (36%)*

*As of April 22, 2011. WasteWise is still processing 2010 data.

III.

Descriptive Statistics
A. Section II: Registration Form
Not Applicable: This question is now qualitative
B. Sections II-IV of Assessment Form
1. Section II: Waste Prevention/Recycling

Reporting Year
2008
No. of Responses
Mean
St. Dev.
Median
Mode
2009
No. of Responses
Mean
St. Dev.
Median
Mode

Waste Prevention
(tons)

Recycling
(tons)

Composting
(tons)

153
18,863.14
151,828.31
45.00
1.25

270
25,373.58
146,656.49
452.02
120.17

86
23,466.81
200,301.35
44.90
0.60

184
10,278.59
102,326.15
13.86
0.25

439
21,924.22
127,324.84
279.12
0.01

133
16,162.07
170,563.80
60.00
5.00

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2010*
No. of Responses
Mean
St. Dev.
Median
Mode

204
10,751.23
100,074.57
29.36
0.02

356
17,066.09
94,986.87
383.99
31.2

129
16,616.01
159,587.93
50.99
0.03

**As of April 22, 2011. WasteWise is still processing 2010 data.

2. Section III: Cost Savings/Revenue
Reporting Year

2008
No. of Responses
Mean
St. Dev.
Median
Mode
2009
No. of Responses
Mean
St. Dev.
Median
Mode
2010*
No. of Responses
Mean
St. Dev.
Median

Waste
Prevention
Revenue

Avoided Purchasing
Costs Due to Waste
Prevention

Recycling
Revenue

Avoided Disposal
Costs Due to Waste
Prev. and Recycling

59
$2,072,424
$8,530,461
$8,918
$1000

85
$4,434,460
$27,941,496
$5,000
$500

119
$5,778,462
$46,331,512
$72,972
$2000

158
$964,919
$3,255,338
$44,614
$1

69
$2,273,415
$9,207,472
$4,164
$1,000

148
$2,696,783
$20,733,544
$5,478
$1,000

190
$1,587,731
$10,542,795
$16,896
$2,000

228
$970,065
$4,438,460
$25,559
$1,000

67
$2,180,260
$8,435,576
$10,414
$1,000

115
$1,546,416
$9,722,155
$10,160
$100

172
$3,059,495
$22,343,209
$31,973
$2,000

176
$1,014,420
$3,215,818
$30,450
$30,000

*As of April 22, 2011. WasteWise is still processing 2010 data.

3. Section IV: Buy Recycled*
Reporting Year
2008
No. of Responses
Mean
St. Dev.
Median
Mode
2009
No. of Responses
Mean
St. Dev.
Median
Mode

Current Percent

Previous Percent

Units Purchased (tons)

128
54%
0.31
40%
100%

128
29%
0.33
20%
0%

29,432.45
285,209.98
6.89
N/A

199
57%
0.32
46%
100%

199
33%
0.34
29%
0%

199
1,458.51
8,889.40
4.90
0.60

2

128

2010**
No. of Responses
Mean
St. Dev.
Median
Mode

162
57%
0.31
46%
100%

162
30%
0.32
29%
0%

162
1,976.96
8,388.14
7.83
3.0

* Note: Partners may provide more than one answer for this section for different products purchased.
**As of April 22, 2011. WasteWise is still processing 2010 data.

4. Manufacture Recycled*
Reporting Year
2008
No. of Responses
Mean
St. Dev.
Median
Mode
2009
No. of Responses
Mean
St. Dev.
Median
Mode
2010*
No. of Responses
Mean
St. Dev.
Median
Mode

Current Percent

Previous Percent

Units Manufactured
(tons)

10
82%
0.41
92%
100%

10
52%
0.52
57%
0%

10
16,035.63
30,526.20
1,089.30
N/A

19
87%
0.20
98%
100%

19
66%
0.40
80%
100%

19
18,650.21
52,477.98
779.98
N/A

20
78%
0.34
100%
100

20
43%
0.44
23%
0

20
3,474.58
9,410.47
133.40
N/A

* Note: Partners may provide more than one answer for this section for different products manufactured.
**As of April 22, 2011. WasteWise is still processing 2010 data.

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