I don't know if I would say that just based off of obesity rates. Most mayo women care too much about their appearance actually. They spend hours and tons of money on makeup and pedicures and manicures that most men couldn't care less about. Women in general are extreme consumers compared to men and spend tons of money on clothes and other shit throughout the year, just to get rid of it after only a few times of using it because it isn't in fashion anymore.
Obesity, while a very ugly thing, I think is in a different category than other appearance things (not face or height, but I mean like makeup, clothes, hairstyle, etc). This is because obesity is within someone's change to change (unlike height or face) but also not as easy to change (like makeup and clothes which can be changed just by spending money to buy them). It requires at least some effort to lose weight, and so I would say that these statistics are more indicative of sloth and laziness than caring about appearance in general.
Additionally it is worth mentioning that in America at least, compared to India and China, the food here is spiked with gross goyslop ingredients and preservatives that are terrible and very fattening for you. So many foids with no self control go crazy on the goyslop snd get fat very quickly.
Not to mention, these fat foids are encouraged by soyciety to be fat, with fat acceptance and fat positivity (for women only ofc) existing everywhere in the "developed" world now. Even that clothing brand Victoria's Secret makes ads and billboards with fatasses on them now.