The Wu-Hausman test for endogeneity is performed as follows. What did you obtain from this result?
-quiet ivregress 2sls q (p=x)
-estat endogenous
Tests of endogeneity
H0: variables are exogenous
Durbin (score) chi2 (l) = 2.57165 (p= 0.1088)
Wu-Hausman F (1,19) = 2.51495 (p= 0.1293)