Sent_en: 2zh Masturbation rates for both genders increased along with age, though only boys were more likely to report having "recently" engaged in the activity as they grew older.
Sent_yy: 随着年龄的增长，男性和女性的自慰率都在增加，不过只有男孩更有可能在长大后有“最近”进行过自慰的经历。