Table 2.
Characteristics of scheduled intervention participant support during study follow-up.
| Characteristic | Scheduled follow-up after go-live training session | |||||||||||
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Week 2 | Week 6 | Week 12 | Week 26 | All weeks | |||||||
| Contact episodes initiated by project staff (n) | 451 | 446 | 442 | 437 | 1776 | |||||||
| Communication format (where specified) | ||||||||||||
|
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Contact attempts, n (%) | 458 (25.46) | 450 (25.01) | 446 (24.79) | 445 (24.74) | 1799 (100.00) | ||||||
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Telephone | 432 (94.32) | 427 (94.89) | 425 (95.29) | 423 (95.06) | 1707 (94.88) | |||||
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20 (4.37) | 21 (4.67) | 20 (4.48) | 19 (4.27) | 80 (4.45) | ||||||
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|
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SMS | 5 (1.09) | 2 (0.44) | 1 (0.22) | 3 (0.67) | 11 (0.61) | |||||
| Time taken (min) | ||||||||||||
|
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Total | 2767 | 2606 | 2564 | 2576 | 10,513 | ||||||
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Mean (SD) | 6 (4.8) | 6 (4.1) | 6 (4.6) | 6 (3.8) | 6 (4.3) | ||||||
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Minimum, maximum | 1, 45 | 1, 45 | 1, 60 | 1, 35 | 1, 60 | ||||||
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Median (Q1a; Q3b) | 5 (5, 5) | 5 (4, 5) | 5 (5, 5) | 5 (5, 5) | 5 (5, 5) | ||||||
| Problem category (where specified), n (%) | ||||||||||||
|
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No problems reported by participantc | 320 (83.55) | 332 (90.22) | 309 (90.88) | 297 (88.66) | 1258 (88.22) | ||||||
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More training (technical steps and/or explaining clinical information)d | 9 (1.99) | 4 (0.90) | 4 (0.90) | 4 (0.92) | 21 (1.18) | ||||||
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Technical problem or how to inquiryc | 57 (12.64) | 33 (7.40) | 30 (6.79) | 23 (5.26) | 143 (8.05) | ||||||
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Log-in problem or password reset | 18 (31.58) | 7 (21.21) | 13 (43.33) | 12 (52.17) | 50 (34.97) | |||||
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Turning automated heart health message tip receipt on or off; faulty email delivery | 19 (33.33) | 11 (33.33) | 7 (23.33) | 11 (47.83) | 48 (33.57) | |||||
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Tracking or self-monitoring measurements | 12 (21.05) | 10 (30.30) | 6 (20.00) | 2 (8.70) | 30 (20.98) | |||||
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Request to withdraw or change study participation status | 3 (0.67) | 2 (0.45) | 2 (0.45) | 1 (0.23) | 8 (0.45) | ||||||
aQ1: first quartile.
bQ3: third quartile.
cThe denominator includes telephone and email communication.
dThe denominator is contact episodes in which staff directly spoke to the participant.