Incidence rate ratio estimates of obesity visits conducted by nurses
| Parameter | Rate ratio (95% CI) |
|---|---|
| Group at baseline | |
| Control | Ref. |
| 5AsT intervention | 0.84 (0.47–1.49) |
| Time period | |
| Baseline (Q1–Q4) | Ref. |
| Intervention (Q5–Q6) | 0.95 (0.78–1.16) |
| Postintervention (Q7–Q9) | 0.79 (0.6–1.05) |
| Group*time period interaction | |
| After 6-mo intervention | 1.30 (0.83–2.03) |
| After 9-mo sustainability phase | 1.38 (0.87–2.19) |
| Total activity* | 1.0005 (1.0002–1.0007) |
| Clinic panel size, no. of patients | |
| ≤ 2754 | Ref. |
| 2755–6576 | 0.47 (0.23–0.99) |
| ≥ 6577 | 0.56 (0.28–1.14) |
Note: Analysis accounted for minimal clustering effects and for the stratification variable clinic panel size; see Appendix 3 for the model. Correlation structure: autoregressive of order 1. Inference is based on robust standard error. See Appendix 1 for details of the statistical model. CI = confidence interval, Q = quarter of year, Ref. = referent.
↵* Quarterly total of all clinical encounters.