From: Dental anxiety and potentially traumatic events: a cross-sectional study based on the Tromsø Study—Tromsø 7
ΔF(df1,df2)
ΔR2
Model 1
646.68* (2,19012)
0.06
Model 2
1374.83* (3,19009)
0.17
Model 3
8.63* (6,19003)
< 0.01
Model 4
341.72* (1,19002)
0.01