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. 2018 Jan 2;13(1):e0189607. doi: 10.1371/journal.pone.0189607

Table 2. Sexual identity by different measures of sexual attraction and behaviour among men and women aged 16–74 years.

Men Women
Denominators (all aged 16–74 years)(unweighted, weighted) 6293 7508 8869 7654
Any same-sex attraction 6.5% [5.8%-7.2%] 11.5% [10.7%-12.2%]
    Of those (denominators (unweighted, weighted)) 468 486 1140 876
    Sexual Identity        
    Heterosexual/Straight 62.4% [57.1%-67.4%] 78.4% [75.7%-80.9%]
    Gay/Lesbian 23.0% [18.9%-27.8%] 8.5% [6.8%-10.5%]
    Bisexual 13.0% [9.8%-17.0%] 11.4% [9.5%-13.6%]
    Other 1.6% [0.7%-3.6%] 1.7% [1.0%-3.0%]
Same-sex experience but never with genital contact 2.4% [1.9%-2.9%] 5.3% [4.8%-5.8%]
    Of those (denominators (unweighted, weighted)) 152 177 568 403
    Sexual Identity        
    Heterosexual/Straight 92.1% [80.1%-97.1%] 95.2% [93.0%-96.7%]
    Gay/Lesbian 0.6% [0.1%-2.8%] 0.3% [0.1%-1.2%]
    Bisexual 6.6% [2.0%-19.7%] 3.8% [2.5%-5.6%]
    Other 0.7% [0.2%-2.9%] 0.8% [0.2%-2.9%]
Same-sex sex evera 5.5% [4.9%-6.2%] 6.1% [5.6%-6.7%]
    Of those (denominators (unweighted, weighted)) 360 412 615 465
    Sexual Identity        
    Heterosexual/Straight 59.5% [53.2%-65.4%] 65.3% [60.6%-69.7%]
    Gay/Lesbian 26.3% [21.4%-31.9%] 15.9% [12.8%-19.6%]
    Bisexual 13.8% [10.1%-18.5%] 17.1% [13.9%-20.9%]
    Other 0.4% [0.1%-1.3%] 1.7% [0.8%-3.5%]
Opposite-sex sex everb 96.1% [95.5%-96.5%] 97.0% [96.7%-97.4%]
    Of those (denominators (unweighted, weighted)) 5911 7199 8501 7425
    Sexual Identity        
    Heterosexual/Straight 98.1% [97.6%-98.4%] 97.4% [97.1%-97.8%]
    Gay/Lesbian 0.7% [0.6%-1.0%] 0.9% [0.7%-1.1%]
    Bisexual 1.0% [0.7%-1.4%] 1.4% [1.2%-1.7%]
    Other 0.2% [0.1%-0.4%] 0.3% [0.2%-0.5%]
Same- and opposite-sex sex everc 4.7% [4.1%-5.3%] 5.9% [5.4%-6.5%]
    Of those (denominators (unweighted, weighted)) 296 350 593 451
    Sexual Identity        
    Heterosexual/Straight 69.7% [63.2%-75.5%] 67.2% [62.4%-71.6%]
    Gay/Lesbian 14.6% [10.9%-19.3%] 13.7% [10.8%-17.3%]
    Bisexual 15.3% [11.1%-20.8%] 17.4% [14.0%-21.3%]
    Other 0.4% [0.1%-1.5%] 1.7% [0.8%-3.6%]

a Same-sex experience with genital contact

b Opposite-sex experience with genital contact

c Same- and opposite-sex experience with genital contact