Characteristic	Estimated proportion of patients (95% CI)	Odds ratio (95% CI)
Intervention status
Pre‐intervention	19.1% (18.6–19.5%)	1
Post‐intervention	27.2% (26.6–27.8%)	1.82 (1.34–2.48)
Time point
T0	22.8% (22.1–23.4%)	1
T1	13.9% (13.4–14.5%)	0.59 (0.52–0.67)
T2	25.5% (24.7–26.3%)	1.36 (0.99–1.88)
T3	33.7% (32.7–34.7%)	2.39 (1.73–3.31)
Practice size (FTE GPs)
< 4	30.2% (29.7–30.6%)	1
≥ 4	4.07% (3.92–4.22%)	0.25 (0.16–0.39)
Intervention group
Early	18.4% (17.7–19.1%)	1
Late	24.7% (24.2–25.1%)	3.34 (2.07–5.38)
Refugee health training*
No	22.0% (21.6–22.4%)	1
Yes	26.7% (25.8–27.7%)	6.16 (4.30–8.83)
Proportion of patients from refugee backgrounds at T0 †	—	1.03 (1.02–1.04)

CI = confidence interval; FTE = full time equivalent positions.

Estimates of differences in proportions by variable are included in the Supporting Information, part F.

^*The practice offered or supported staff access to education or training about refugee health in the past 12 months.

^† Continuous variable, range 0 to 100%; for an increase in the proportion of one percentage point, the relative odds increase by 1.03.