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Table 3 Fitted GAM coefficients from model 5

From: Incidence of fractures among children and adolescents in rural and urban communities - analysis based on 9,965 fracture events

Anova Exp(Beta) 95% CI for exp(Beta) P-value
Intercept    <0.0001
Smooth term (Year)    <0.0001
Age 5-9* 1.83 1.70-1.96 <0.0001
Age 10-14 2.97 2.78-3.17 <0.0001
Age 15-19 1.68 1.57-1.80 <0.0001
Sex (boys) 1.52 1.46-1.58 <0.0001
Area (Vännäs) 1.01 0.93-1.09 0.76
Area (NRBV) ** 0.81 0.76-0.86 <0.0001
  1. *With age 0–4 as the reference. With Umeå as the reference.
  2. **NRBV (Nordmaling, Robertfors, Bjurholm, Vindeln).
  3. (Example of parameter interpretation: Given the time trend, sex and area the estimated rate for children aged 5–9 is 1.83 times that for the younger group aged 0–4) R2: 0.81.