Adding brief, structured coaching calls to digital behavioral interventions improves engagement and completion rates without requiring mental health specialists. Parents reported high satisfaction, with most completing both coaching calls and digital program modules.
Digital health programs offer accessible, scalable solutions for reaching families, but they consistently suffer from a critical weakness: people don't stick with them. Engagement and adherence drop off over time, which undermines the entire value proposition. This study tested whether wrapping a structured coaching layer around a digital intervention could solve that problem, and critically, whether non-specialist coaches could deliver it effectively.
The research involved 113 parents of toddlers born very preterm who received either a digital parent training program or health education, each paired with weekly coaching calls over 11 weeks. The coaching wasn't therapy or specialized clinical support. Instead, it was a structured, protocol-driven model designed to reinforce digital content and help participants apply what they learned. What made this approach scalable was the coaching workforce: 11 coaches from diverse educational backgrounds completed a standardized training protocol without requiring advanced degrees in psychology, social work, or related fields.
The results were consistent across multiple measures of fidelity and feasibility. Across 266 observed coaching calls, coaches maintained high adherence to the protocol (94.9% average) and demonstrated competence in delivering coaching techniques (88.9% average). These numbers didn't vary wildly across coaches, suggesting the standardized training created reliable implementation. Calls were brief, averaging 12.9 minutes, which is crucial for a busy parent population. The short duration makes the intervention realistic for scaling to larger populations and different settings.
Parent engagement and satisfaction validated the hybrid model. Most parents (75%) attended at least 6 of 11 coaching calls, and 64% completed all 6 digital program modules. Engagement during calls was rated high by observers. When asked directly, 93.6% of parents reported satisfaction or high satisfaction with coaching, and over 70% felt genuinely connected to their coach. These are strong endorsements of an intervention that many expected to feel impersonal or superficial. The fact that parents felt connected despite brief, structured calls suggests the coaching model delivers human support without unnecessary overhead.
If you're evaluating whether digital health programs work, or considering implementing one in a clinical or organizational setting, this study offers a concrete answer: digital programs work better with structured support, and that support doesn't require a clinician. This has direct implications for accessibility and cost.
The coaching model itself is portable. Because the study describes it as "intervention-agnostic," it could theoretically be applied to other digital programs beyond parent training: habit change apps, behavioral health interventions, chronic disease management programs. The standardized training protocol removes the bottleneck of needing specialists in every location.
The practical takeaway is this: if engagement is the problem with your current digital intervention, adding brief, structured coaching calls from trained non-specialists may solve it. The 12-13 minute call length matters; longer calls would increase dropout risk and costs. The protocol-driven approach matters; unstructured coaching would likely show higher variance and lower fidelity.
One limitation worth noting: this study was conducted in parents of premature infants, a relatively motivated population. Whether the same engagement rates hold for broader populations, or for different types of digital interventions (behavioral addiction, medication adherence, lifestyle change), remains unclear. The authors themselves flagged this, noting that future work should test the model across additional interventions and populations.
| Attribute | Finding |
|---|---|
| Study type | Feasibility/fidelity study with RCT design (no details on randomization or control conditions in abstract) |
| Sample size | 113 parents; 11 coaches; 266 observed calls |
| Population | Parents of toddlers born very preterm |
| Intervention | Weekly coaching calls (12-13 min average) paired with digital program modules or health education |
| Primary outcomes | Feasibility (coach adherence, competence), acceptability (parent satisfaction), engagement (call attendance, module completion) |
| Coach background | Diverse educational backgrounds, completed standardized training protocol |
| Coach adherence | 94.9% |
| Coach competence | 88.9% |
| Parent call engagement | 2.70 on 3-point scale |
| Parent call attendance | 75% attended ≥6 of 11 calls |
| Module completion | 64% completed all 6 digital modules |
| Parent satisfaction | 93.6% satisfied or very satisfied; >70% felt connected to coach |
Annals of Behavioral Medicine. "Integrating coaching into digital behavioral interventions: a scalable training model and fidelity evaluation." PubMed. https://pubmed.ncbi.nlm.nih.gov/42847362/
ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.
| Journal | Annals of Behavioral Medicine |
| Registration | NCT05217615 (ClinicalTrials.gov) |