Adherence
Higher adherence to a structured behavioral health intervention (dose) and higher quality of implementation (fidelity and quality) significantly predict greater reductions in waist circumference and increases in physical activity levels in overweight/obese adults.
To get the best results from a health intervention, consistency (dose) and the quality of the interaction (fidelity/quality) are critical. Ensure you attend all scheduled sessions and engage actively with your health educator. The study shows that higher adherence and better implementation quality lead to better waist circumference reduction and physical activity increases.
Dose was a significant predictor of WC (! = -.12, p < .01) and PA (! = -.16, p < .05) at 24 months. Fidelity predicted 12 month WC (! = -.11, p < .05) and PA (! = .21, p < .05). Quality was significantly associated with 12 month (WC: ! = .07, p < .05; PA: ! = -0.18, p < .01) and 24-month outcomes (WC: ! = .10, p < .01; PA: ! = -.15, p < .05).
Why this rating
Randomized controlled trial with process evaluation; however, the specific metrics for dose/fidelity/quality are derived from self-reported or educator-completed forms rather than objective physiological monitoring of the intervention delivery.
Source
Do dose, fidelity, and quality of implementation predict participant outcomes? A process evaluation of the PROACTIVE trial
Kathryn Olsheski · QSpace (Queen's University Library) · 2013
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