Characteristic	0 N = 13,742,809 (95% CI 95% CI)¹	1 N = 8,659,121 (95% CI 95% CI)¹	p-value²
The percentage of all students who reported being in 6th, 7th, or 8th grade (middle school), or in 9th, 10th, 11th, or 12th grade (high school), n (%)			0.4
1	5,612,074 (40.94%) (95% CI 33.31%, 49.03%)	3,693,130 (42.67%) (95% CI 34.22%, 51.56%)
2	8,097,239 (59.06%) (95% CI 50.97%, 66.69%)	4,962,673 (57.33%) (95% CI 48.44%, 65.78%)
Unknown	33,496	3,317
race_cat, n (%)			<0.001
asian/other	981,496 (7.30%) (95% CI 5.673%, 9.347%)	779,805 (9.15%) (95% CI 7.370%, 11.31%)
black	1,667,910 (12.40%) (95% CI 10.13%, 15.10%)	1,335,222 (15.67%) (95% CI 13.04%, 18.70%)
hispanic	3,145,880 (23.40%) (95% CI 19.97%, 27.21%)	2,672,754 (31.36%) (95% CI 27.35%, 35.67%)
white	7,650,187 (56.90%) (95% CI 51.99%, 61.67%)	3,735,122 (43.82%) (95% CI 39.50%, 48.24%)
Unknown	297,335	136,218
The percentage of all students who reported being either female or male, n (%)			<0.001
1	6,389,672 (46.71%) (95% CI 44.77%, 48.66%)	4,661,136 (54.06%) (95% CI 50.30%, 57.78%)
2	7,289,372 (53.29%) (95% CI 51.34%, 55.23%)	3,961,134 (45.94%) (95% CI 42.22%, 49.70%)
Unknown	63,764	36,851
sex_ori, n (%)			0.010
LGBTQ	1,601,871 (12.64%) (95% CI 10.99%, 14.48%)	1,119,200 (14.11%) (95% CI 12.64%, 15.71%)
straight	8,106,395 (63.94%) (95% CI 60.77%, 66.99%)	5,179,955 (65.29%) (95% CI 62.68%, 67.81%)
unsure	2,969,498 (23.42%) (95% CI 21.05%, 25.98%)	1,634,607 (20.60%) (95% CI 18.56%, 22.81%)
Unknown	1,065,044	725,359
gen_idn, n (%)			0.005
cisgender	10,839,464 (85.22%) (95% CI 10.65%, 14.16%)	7,084,712 (88.87%) (95% CI 7.772%, 10.79%)
Non-cisgender	316,340 (2.49%) (95% CI 83.36%, 86.90%)	156,197 (1.96%) (95% CI 87.03%, 90.48%)
unsure	1,563,916 (12.30%) (95% CI 1.869%, 3.302%)	731,161 (9.17%) (95% CI 1.409%, 2.719%)
Unknown	1,023,088	687,051
psy_discat, n (%)			<0.001
mild	2,488,677 (18.88%) (95% CI 17.26%, 20.61%)	2,321,640 (27.89%) (95% CI 24.70%, 31.33%)
moderate	1,339,008 (10.16%) (95% CI 9.028%, 11.41%)	1,366,671 (16.42%) (95% CI 14.97%, 17.99%)
none	8,112,155 (61.54%) (95% CI 58.96%, 64.06%)	3,356,779 (40.33%) (95% CI 37.48%, 43.25%)
severe	1,241,906 (9.42%) (95% CI 8.385%, 10.57%)	1,277,794 (15.35%) (95% CI 13.84%, 16.99%)
Unknown	561,062	336,237
tob_add, n (%)			0.011
0	745,440 (78.58%) (95% CI 16.40%, 27.45%)	577,191 (66.00%) (95% CI 27.18%, 41.56%)
1	203,147 (21.42%) (95% CI 72.55%, 83.60%)	297,335 (34.00%) (95% CI 58.44%, 72.82%)
Unknown	12,794,222	7,784,595
curanytob, n (%)			0.001
0	12,791,817 (93.08%) (95% CI 5.688%, 8.395%)	7,770,096 (89.84%) (95% CI 8.648%, 11.90%)
1	950,991 (6.92%) (95% CI 91.60%, 94.31%)	878,545 (10.16%) (95% CI 88.10%, 91.35%)
Unknown	0	10,481
curanyfreq, n (%)			0.8
0	716,806 (77.52%) (95% CI 17.47%, 28.44%)	671,691 (78.81%) (95% CI 15.70%, 27.97%)
1	207,906 (22.48%) (95% CI 71.56%, 82.53%)	180,641 (21.19%) (95% CI 72.03%, 84.30%)
Unknown	12,818,097	7,806,789
polyscore_cat, n (%)			0.042
0	13,242,087 (97.80%) (95% CI 1.665%, 2.901%)	8,285,721 (96.88%) (95% CI 2.506%, 3.872%)
1	297,894 (2.20%) (95% CI 97.10%, 98.33%)	266,576 (3.12%) (95% CI 96.13%, 97.49%)
Unknown	202,828	106,824
age_cat, n (%)			0.4
12-14	5,649,590 (45.31%) (95% CI 38.21%, 52.61%)	3,732,361 (46.68%) (95% CI 39.89%, 53.59%)
15-17	6,321,794 (50.70%) (95% CI 43.33%, 58.04%)	3,900,198 (48.78%) (95% CI 41.45%, 56.15%)
9-11	496,616 (3.98%) (95% CI 2.924%, 5.404%)	363,499 (4.55%) (95% CI 3.311%, 6.211%)
Unknown	1,274,808	663,063
¹ CI = Confidence Interval
² Pearson’s X^2: Rao & Scott adjustment