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. 2024 Oct 28;7(10):e2444187. doi: 10.1001/jamanetworkopen.2024.44187

Table 1. Current Gender by Sex Recorded at Birth.

Current gender Sex recorded at birth, No. (%) [95% CI]
All (N = 6388) Female (n = 3329) Male (n = 2970) Unsure (n = 33) Prefer not to report (n = 52) Missing or uninterpretable (n = 4)a
Female (girl) 3122 (48.9) [45.2-59.0] 3101 (93.2) [91.8-94.3] 10 (0.3) [0.2-0.6] 4 (12.1) [4.5-29.0] 7 (13.5) [6.3-26.4] 0
Male (boy) 2973 (46.5) [39.8-53.4] 23 (0.7) [0.5-1.0] 2918 (98.2) [97.6-98.7] 17 (51.5) [33.8-68.9] 14 (26.9) [16.2-41.1] 1 (25.0) [6.2-62.8]
Nonbinary 117 (1.8) [1.5-2.3] 91 (2.7) [2.1-3.5] 13 (0.4) [0.3-0.8] 3 (9.1) [2.9-25.2] 9 (17.3) [8.8-31.2] 1 (25.0) [2.7-79.9]
Another identity 59 (0.9) [0.6-1.3] 52 (1.6) [1.1-2.2] 2 (0.07) [0.02-0.03] 2 (6.1) [1.7-19.0] 3 (5.8) [1.9-15.9] 0
Prefer not to report 109 (1.7) [1.3-2.2] 62 (1.9) [1.4-2.5] 23 (0.8) [0.5-1.2] 5 (15.2) [6.4-31.7] 18 (34.6) [20.6-51.9] 1 (25.0) [6.2-62.8]
Uninterpretableb 8 (0.1) [0.07-0.2] 0 4 (0.1) [0.05-0.4] 2 (6.1) [1.5-21.4] 1 (1.9) [2.7-12.6] 1 (25.0) [2.7-79.9]
a

Uninterpretable responses included “attack helicopter,”35,36 “German attack helicopter,” and “none.”

b

Uninterpretable responses included “attack helicopter,” “an Alpha Male German Attack Helicopter,” “Lamborghini tractor,” “alien for sure,” “level 13 ice wizard from coc,” “microwave,” and “none.”