It is probably less of an issue with resident salaries than it is for graduate students. With the grad students who get barely 125% of federal poverty level, any sort of employment by the spouse will be under the suspicion of being necessary for living expenses. But still, if your spouse as an attending makes 5 times what you make, you should be careful to have your finances set up in a way that all the living expenses are paid out of the J1s paycheck.
