Table 2.
Differences between HINTSa survey results and Bass modeling estimates for personal health record adoption among US consumers.
|
|
Observed uptake rate (survey results) |
Technology introduction start date | ||||||
| 2001 | 2004 | 2007 | ||||||
| Bass | Difference | Bass | Difference | Bass | Difference | |||
| HINTS year |
|
|
|
|
|
|
|
|
|
|
2008 | 5.16% | 4.54% | –0.623 | 4.36% | –0.800 | 3.96% | –1.20 |
|
|
2011 | 9.80% | 10.50% | 0.700 | 10.60% | 0.800 | 11.00% | 1.20 |
|
|
2013 | 17.17% | 17.17% | 0.000 | 16.82% | –0.352 | 16.41% | –0.76 |
| Mean difference |
|
|
0.020 |
|
0.117 |
|
0.253 | |
aHealth Information National Trends Survey (HINTS) for 2008, 2011, and 2013 serve as the known observations. Bass estimates are based on the first year when various experts identify a minimally functioning personal health record being available in the marketplace.