Figure 1
Project PCCaSO intervention process flowchart.
HIC: health information center, CRC: colorectal cancer, HIC: health information center,HIPAA: The Health Insurance Portability and Accountability Act, KSC: Kelsey- Seybold Clinic, PCP: primary care physician, CRCS: cases of colorectal cancer screening.
Figure 2
ICER confidence intervals with joint density of ΔC and ΔE comparing no intervention control group to web-based intervention group in promoting CRCS.
ICER: incremental cost-effectiveness ratios, CRCS: cases of colorectal cancer screening, CI: confidence interval.
Figure 3
ICER confidence intervals with joint density of ΔC and ΔE comparing web-based intervention group to tailored intervention in promoting CRCS.
ICER : incremental cost-effectiveness ratios, CRCS : cases of colorectal cancer screening, CI : confidence interval.
Table 1.Cost of intervention by activity
Program activity |
Tailored intervention cost ($) |
Webbased intervention cost ($) |
Step 1: Recruitment |
|
|
(Identification of eligible participants from KRF database, recruitment letter development time cost- personnel, Recruitment letter mailing time cost- personnel, enrollment phone call) |
|
|
Total recruitment time cost |
4728.85 |
4557.10 |
Recruitment material cost for letter supplies |
235.41 |
226.86 |
Total Step 1 |
4964.26 |
4783.96 |
Step 2: Intervention delivery |
|
|
HIC visit time cost- personnel |
5764.85 |
4548.32 |
Tailored program viewing time costparticipant |
1946.35 |
0.0 |
Web-based program viewing time costparticipant |
0.0 |
1416.61 |
Total step 2 |
7711.2 |
5964.93 |
Step 3: Follow-up |
|
|
6 month phone survey time cost-personnel |
598.85 |
577.10 |
6 month phone survey time cost- participant |
432.64 |
413.58 |
Total step 3 |
1031.49 |
990.68 |
Total direct cost |
13 726.28 |
11 739.57 |
Overhead: utilities, equipment, computers, database management, facility, office space. |
4804.20 |
4108.85 |
Total overhead |
|
|
Total cost ($) |
18 530.47 |
15 848.42 |
Average cost per participant |
44.87 |
39.82 |
Standard deviation of cost per participant |
6.69 |
6.45 |
Table 2.Incremental cost effectiveness (cost per additional individual screened)
Intervention |
Cost ($) |
Incremental cost ($) |
Effect (% screened) |
Incremental effect (%) |
CE ($) |
ICER ($) |
Control |
0 |
- |
0.3390 |
- |
- |
- |
Web-based |
39.82 |
39.82 |
0.3543 |
0.0153 |
112 |
2602 |
Tailored |
44.87 |
5.05 |
0.3204 |
-0.0339 |
140 |
Dominated |