ANCOVA help -Parameter Estimate Zero

Hi everyone,
I just ran ANCOVA.
One of my covariates in the final model gives be a parameter estimate as :

Parameter Estimate Standard Error t Value Pr > |t|
b energy 0.00046578 0.00025905 1.80 0.0742

My question is, is this normal?
Thanks very much!
Additional information: I am looking at the association between several socioeconomic factors and energy intake on body mass index. Thanks.