Time period | Control group median % (IQR) | Intervention group median % (IQR) |
---|---|---|
Baseline (12 mo) | 3.77 (2.61–6.33) | 2.08 (0.48–7.98) |
Intervention (6 mo) | 2.49 (1.30–5.59) | 1.54 (0.63–8.34) |
Postintervention (9 mo) | 2.61 (1.10–3.92) | 3.91 (0.64–8.79) |
Note: IQR = interquartile range.