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TABLE 1

Selected Participant Characteristics by Recorded Sex at Birth

Participant CharacteristicsChildren Who Were AMAB, n (%)aChildren Who Were AFAB, n (%)aTotal, n (%)a
Age at index date, y    
 3–9 131 (30) 74 (14) 205 (21) 
 10–14 128 (30) 172 (33) 300 (31) 
 ≥15 172 (40) 281 (53) 453 (47) 
Race and ethnicity    
 Non-Hispanic white 196 (45) 277 (53) 473 (49) 
 Non-Hispanic Black 42 (10) 44 (8) 86 (9) 
 Non-Hispanic Asian American 30 (7) 47 (9) 77 (8) 
 Hispanic 128 (30) 130 (25) 258 (27) 
 Other 5 (1) 8 (2) 13 (1) 
 Unknown 30 (7) 21 (4) 51 (5) 
Study Site    
 Georgia 12 (3) 15 (3) 27 (3) 
 Northern California 264 (61) 340 (65) 604 (63) 
 Southern California 155 (36) 172 (33) 327 (34) 
GDRD during follow-up    
 Yes 105 (24) 176 (33) 281 (29) 
 No 326 (76) 351 (67) 677 (71) 
GAHT initiation during follow-up    
 Yes 60 (14) 176 (33) 236 (25) 
 No 371 (86) 351 (67) 722 (75) 
Overall 431 (45)b 527 (55)b 958 (100)b 
Participant CharacteristicsChildren Who Were AMAB, n (%)aChildren Who Were AFAB, n (%)aTotal, n (%)a
Age at index date, y    
 3–9 131 (30) 74 (14) 205 (21) 
 10–14 128 (30) 172 (33) 300 (31) 
 ≥15 172 (40) 281 (53) 453 (47) 
Race and ethnicity    
 Non-Hispanic white 196 (45) 277 (53) 473 (49) 
 Non-Hispanic Black 42 (10) 44 (8) 86 (9) 
 Non-Hispanic Asian American 30 (7) 47 (9) 77 (8) 
 Hispanic 128 (30) 130 (25) 258 (27) 
 Other 5 (1) 8 (2) 13 (1) 
 Unknown 30 (7) 21 (4) 51 (5) 
Study Site    
 Georgia 12 (3) 15 (3) 27 (3) 
 Northern California 264 (61) 340 (65) 604 (63) 
 Southern California 155 (36) 172 (33) 327 (34) 
GDRD during follow-up    
 Yes 105 (24) 176 (33) 281 (29) 
 No 326 (76) 351 (67) 677 (71) 
GAHT initiation during follow-up    
 Yes 60 (14) 176 (33) 236 (25) 
 No 371 (86) 351 (67) 722 (75) 
Overall 431 (45)b 527 (55)b 958 (100)b 
a

Column percentages.

b

Row percentages.

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