I know which study you're talking about. I don't recall if Labov addressed gender differences in that specific study but, if he did: in that situation, lower cl

I know which study you're talking about. I don't recall if Labov addressed gender differences in that specific study but, if he did: in that situation, lower class men would be even less likely to use the rhotic (with /ɹ/) pronunciation than lower class women, and prefer the non-rhotic (without /ɹ/) one instead.