Table 4.
Intervention fidelity and acceptability of the SPRING intervention
| Fidelity (n = 33) | |||
| Component | Delivery | Receipt | Enactment |
| Intervention lessons (6 lessons) | Completeda: 88% (79–94%) | Durationa: 39.9 ± 6.6 min | n/a |
| Intervention check-ins (7 contacts) | Completeda: 83% (68–94%) | Durationa: 13.7 ± 4.7 min | n/a |
| Height adjustableb workstation | Provided: 100% | Workinga: 100% (97–100%) |
Self-monitoring standinga: 65% (17–83%) Self-reported standinga: 2.3 ± 1.3 h/day |
| Activity monitorb | Provided: 100% | Workinga: 98 (90–100%) |
Wearing regularlya: 97% (90–100%) Self-monitoring movement breaks and stepsa: 97% (92–100%) Objective movement breaksa: 7.8 ± 3.7 breaks/day Objective stepsa: 6521 ± 2571 steps/day |
| Facebook group | Interventionist sent request: 94% | Participant accepted request: 81% | Reported visiting at least weekly: 17% |
| Acceptability (n = 24) | |||
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Usefulness of components Range: 0 (not at all) to 3 (very much) Activity monitor: 2.6 ± 0.6 Height adjustable workstation: 2.5 ± 0.8 Intervention check-ins: 1.9 ± 0.6 Intervention lessons: 1.8 ± 0.6 Facebook group: 0.6 ± 0.6 |
Lesson ratings Range: 0 (not helpful) to 2 (very helpful) Lesson 1 Education: 1.8 ± 0.4 Lesson 2 Social support: 1.0 ± 0.7 Lesson 3 Get to know your cues: 1.6 ± 0.5 Lesson 4 Progress report: 1.5 ± 0.5 Lesson 5 Motivation: 1.5 ± 0.6 Lesson 6 Lapses don’t have to be collapses: 1.5 ± 0.5 |
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General ratings Agree or strongly agree, unless otherwise noted Intervention had a positive effect on my pregnancy: 96% Increased understanding of the health risks of sitting during pregnancy: 79% Expectations were met: 88% Intervention asked too much of my time: 13% Format preference: 58% (no change), 13% (no group meeting), 38% (more group meetings) Will continue changes made during the intervention: 46% (probably will) and 54% (definitely will) | |||
Quantitative data presented as mean ± SD or % (range of %)
aAssessed across multiple intervention contacts. Overall averages with standard deviations or ranges of visit-specific proportions are presented
bPercentage reported among participants completing the visit