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. 2021 Jun 3;139(7):1–7. doi: 10.1001/jamaophthalmol.2021.1610

Table 1. Characteristics of Study Participants.

Characteristic Participants, age, No. (%) (N = 218 792)
<40 y (n = 56 083) <50 y (n = 89 784) 50-59 y (n = 46 581) 60-65 y (n = 24 713) >65 y (n = 57 714)
Age, mean (SD), y 28.7 (8.0) 34.9 (10.4) 55.1 (2.9) 62.5 (1.4) 73.0 (5.9)
Sex
Men 21 043 (37.5) 35 124 (39.1) 21 324 (45.8) 11 536 (46.7) 27 229 (47.2)
Women 35 040 (62.5) 54 660 (60.9) 25 257 (54.2) 13 177 (53.3) 30 485 (52.8)