Table 3

Characteristics of the STRONG transgender cohort

Participant characteristicsOverall transgender cohort, n (%)TF cohort, n (%)*TM cohort, n (%)*
Health plan site
 KPNC3842 (60)1949 (56)1831 (63)
 KPSC2440 (38)1431 (41)982 (34)
 KPGA174 (2.7)95 (2.7)79 (2.7)
Race/ethnicity
 Non-Hispanic white3532 (55)1828 (53)1669 (58)
 Non-Hispanic black510 (7.9)248 (7.1)256 (8.9)
 Asian515 (8.0)305 (8.8)203 (7.0)
 Hispanic1232 (19)710 (20)503 (17)
 Other/unknown667 (10)384 (11)261 (9.0)
Age†
 3–17 years1347 (21)588 (17)745 (26)
 18–25 years1431 (22)655 (19)753 (26)
 26–35 years1329 (21)600 (17)707 (24)
 36–45 years939 (15)577 (17)347 (12)
 46–55 years779 (12)552 (16)219 (7.6)
 >55 years631 (9.8)503 (14)121 (4.2)
Smoking status†
 Current1011 (16)506 (15)489 (17)
 Former873 (14)461 (13)401 (14)
 Never4029 (62)2196 (63)1795 (62)
 Unknown543 (8.4)312 (9.0)207 (7.2)
BMI†
 Underweight150 (2.3)96 (2.8)52 (1.8)
 Normal weight2404 (37)1356 (39)1025 (35)
 Overweight1648 (26)915 (26)710 (25)
 Obese1690 (26)777 (22)886 (31)
 Unknown564 (8.7)331 (9.5)219 (7.6)
Medicaid status†
 Yes265 (4.1)138 (4.0)123 (4.3)
 No6029 (93)3251 (94)2702 (93)
 Unknown162 (2.5)86 (2.5)67 (2.3)
Census-level education status
 <30% of residents have high school or less2634 (41)1405 (40)1194 (41)
 30%–50% of residents have high school or less2233 (35)1218 (35)979 (34)
 >50% have high school or less1467 (23)795 (23)655 (23)
 Unknown122 (1.9)57 (1.6)64 (2.2)
Total, n (%)6456 (100)3475 (54)2892 (45)
  • *Excludes 89 persons with unknown natal sex.

  • †Assessed at index date (date of first evidence of transgender status in electronic medical records).

  • KPGA, Kaiser Permanente health plan located in Georgia; KPNC, Kaiser Permanente health plan located in Northern California; KPSC, Kaiser Permanente health plan located in Southern California; STRONG, Study of Transition, Outcomes and Gender; TF, transfeminine; TM, transmasculine.