eTable 4a. Age specific data on the sexual practices of men (n = 1145).

Sexual practice ever undertaken % [95% CI]	Vaginal intercourse (n = 1074)	Performed oral sex (n = 1061)	Received oral sex (n = 1060)	Anal intercourse, receptive (n = 1041)	Anal intercourse, insertive (n = 1069)
Age
14–18 years (n = 60)	42.1 [30.1; 55.1]	25.5 [15.8; 38.4]	25.9 [16.1; 39.0]	1.8 [0.4; 9.6]	5.6 [2.0; 15.1]
19–24 years (n = 78)	94.5 [86.7; 97.8]	56.1 [44.7; 67.0]	63.5 [52.1; 73.6]	8.1 [3.8; 16.6]	19.4 [12.1; 29.7]
25–29 years (n = 77)	94.4 [86.6; 97.7]	75.3 [64.3; 83.7]	73.6 [62.4; 82.4]	11.3 [5.9; 20.7]	35.6 [25.6; 47.1]
30–39 years (n = 160)	97.3 [93.3; 98.9]	71.3 [63.6; 78.0]	80.8 [73.8; 86.3]	6.7 [3.7; 12.0]	28.4 [21.7; 36.1]
40–49 years (n = 202)	98.4 [95.6; 99.4]	69.8 [62.9; 76.0]	71.1 [64.2; 77.0]	3.2 [1.5; 6.8]	27.4 [21.5; 34.3]
50–59 years (n = 226)	97.1 [94; 98.7]	62.0 [55.3; 68.2]	68.3 [61.7; 74.2]	3.8 [2.0; 7.3]	24.8 [19.5; 30.1]
60–69 years (n = 184)	96.5 [92.6; 98.4]	42.9 [35.0; 50.4]	51.5 [44.0; 59.0]	4.4 [2.2; 8.7]	12.1 [8.0; 17.8]
70–79 years (n = 114)	97.1 [91.8; 99.0]	25.5 [18.4; 34.8]	32.0 [23.8; 41.6]	1.0 [0.2; 5.5]	7.8 [4.1; 14.7]
80–100 years (n = 44)	92.3 [79.6; 97.2]	23.7 [13.0; 39.3]	18.4 [9.3; 33.5]	0.0 [0; 9.5]	5.4 [1.7; 17.8]

95% CI, 95% confidence interval of the mean