Table 2. The mean age at first sexual intercourse according to gender.

	Men	Women
Overalla	21.9±4.4	24.1±4.4
Age (y)b
18-19	17.9±1.1	17.6±1.6
20-29	20.4±2.4	21.0±2.5
30-39	21.3±3.8	23.6±4.3
40-49	22.8±4.3	24.6±4.0
50-59	22.3±4.4	25.3±4.5
60-69	22.8±6.3	24.9±4.9

Values are presented as mean±standard deviation.

^aIndependent t-test, p<0.05; ^bANOVA, p<0.05.