Complex sentence: Some people regard squat toilets as more hygienic compared to sitting toilets because they are more easy to clean and there is no skin contact with the surface of the toilet seat, and squat toilets are therefore more common in public places than in households in some countries.
Split into simpler sentences: Some people regard squat toilets as more hygienic compared to sitting toilets because they are more easy to clean and there is no skin contact with the surface of the toilet seat. That is one reason why squat toilets are more common in public places than in households in some countries.