Distance and face-to-face consultation rate at the casualty clinic. Relationship between distance (kilometres) from population centroid of municipality to casualty clinic and face-to-face doctor consultation rate at Arendal casualty clinic (per 1 000 inhabitants per year). Each point represents rate in one municipality for one year. Regression curve (black line) for ln transformed data with 95% confidence interval (grey lines). Ln(consultation rate) = 5,54 – 0,016*distance (km). N = 50, R2 = 0.96, p < 0.001.