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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.
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Injury Epidemiology

ISSN: 2197-1714