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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Arch Sex Behav. 2010 Jun 22;40(1):155–168. doi: 10.1007/s10508-010-9636-x

Table 2.

Population prevalence, age distribution and mean age, and the percentage female for each sexuality group (N = 12,885)

Sexuality group N Population prevalence %a (SE) Age distribution Age M (SE) Female % (SE)

16–29
(n = 2535)
%b (SE)
30–44
(n = 4258)
%b (SE)
45–59
(n = 3132)
%b (SE)
60+
(n = 2960)
%b (SE)
Heterosexual, no same-sex sexual experience 12,186 94.7 (0.26) 23.5 (0.68) 31.5 (0.58) 24.1 (0.53) 21.0 (0.55) 44.2 (0.28) 51.7 (0.60)
Heterosexual, same-sex sexual experience only 374 3.0 (0.19) 29.9 (3.19) 37.7 (3.02) 25.6 (2.79) 6.8 (1.42) 38.7 (0.94) 52.9 (3.13)
Heterosexual, same-sex sexual experience and relationship 118 0.9 (0.10) 20.0 (4.78) 32.5 (5.08) 28.4 (5.71) 19.0 (4.04) 44.4 (1.79) 69.3 (5.64)
Bisexual 101 0.8 (0.11) 36.1 (5.81) 28.0 (5.59) 23.0 (4.91) 12.9 (3.47) 39.4 (2.03) 80.8 (4.68)
Homosexual 106 0.6 (0.09) 23.6 (5.96) 35.0 (5.45) 29.0 (5.34) 12.4 (3.72) 42.4 (1.90) 47.6 (7.10)
Total 12,885 100.0 (–) 23.7 (0.67) 31.7 (0.57) 24.2 (0.52) 20.4 (0.53) 44.0 (0.27) 52.0 (0.59)
a

Percentage in each sexuality group, based on the 12,885 included in this table

b

Percentage in each age group, for each sexuality group