Table 2.
Text Messaging Activity between SMS-DMCare and Participants (n = 18)
| All text message activity | ||
|---|---|---|
| Total | Mean | |
| Number of days of 4-week study period | 96.3 | 36.5 |
| Number of text messages sent/received during study period | 3977 | 220.9 |
| Number of daily text messages sent/received | 41.3 | 6.4 |
| Number of text messages received by participant | 2276 | 126.4 |
| Number of text messages sent by participant | 1701 | 94.5 |
| Number of text messages requiring a response | 1417 | 78.7 |
| % of messages requiring a responsea | 65.2% | 65.2% |
| % of time messages responded to correctlya | 80.2% | 80.2% |
| Median participant response time (minutes) | 3.6 | 6.1 |
| Number of participant messages sent without prompt from system | 564.6 | 31.4 |
| Text message activity by content-type | ||||||||
|---|---|---|---|---|---|---|---|---|
| Content of text message sent by SMS-DMCare | Mean total number received by each participant | Average % of total | Daily mean | Mean number per participant, requiring response | Response rateb (%) | |||
| Medication | 69.9 (30–146) | 55.7 | 2.0 | 52.1 | 81.3 | |||
| Blood sugar | 13.4 (0–78) | 16.0 | 0.4 | 9.1 | 81.6 | |||
| Foot care | 23.4 (4–78) | 18.5 | 0.7 | 17.5 | 75.5 | |||
| Appointment | 0.9 (0–4) | 0.9 | - | - | - | |||
| Administrative/other | 18.7 (3–48) | 14.9 | 0.5 | - | - | |||
a
For these metrics, this is the average of percentages for each patient for the respective metric and not the total number of required messages divided by the total number of messages received by all patients.
b
The response rate is the percentage of time a participant responded to a response-requiring message from SMS-DMCare. This rate is the average of the response rates of each participant who received at least one message of the associated type.