Table 2. Description of the study population by eligibility for bariatric surgery: analysis accounting for complex survey design.

	Eligibility for bariatric surgery
	No (n = 254,868)	Yes (n = 5,263)	p-value *
Sex			<0.001
Males	112,508 (98.5%)	1,287 (1.5%)
Females	142,360 (96.6%)	3,976 (3.4%)
Age (categories)			<0.001
< 30 years	72,630 (99.1%)	659 (0.9%)
30 – 39 years	71,346 (98.0%)	1,248 (2.0%)
40 – 49 years	42,420 (96.9%)	1,129 (3.1%)
50 – 59 years	28,673 (96.1%)	1,027 (3.9%)
60 – 69 years	21,062 (95.7%)	806 (4.3%)
70+ years	18,737 (97.4%)	394 (2.6%)
Education level			0.14
< 7 years	67,846 (97.5%)	1,403 (2.5%)
7 – 11 years	103,266 (97.4%)	2,153 (2.6%)
12+ years	72,902 (97.6%)	1,529 (2.4%)
Socioeconomic level			<0.001
Very low	53,692 (99.1%)	489 (0.9%)
Low	50,263 (99.1%)	469 (0.9%)
Middle	49,553 (97.0%)	1,262 (3.0%)
High	48,832 (96.4%)	1,602 (3.6%)
Very high	52,528 (97.2%)	1,441 (2.8%)
Geographic area			<0.001
Urban	164,804 (97.0%)	4,467 (3.0%)
Rural	90,064 (99.1%)	796 (0.9%)
Study year			<0.001
2014	24,861 (98.0%)	455 (2.0%)
2015	30,222 (98.1%)	516 (1.9%)
2016	29,210 (97.8%)	550 (2.2%)
2017	30,105 (97.7%)	570 (2.3%)
2018	31,363 (97.6%)	633 (2.4%)
2019	30,457 (97.7%)	586 (2.3%)
2020	20,284 (97.2%)	487 (2.8%)
2021	28,691 (96.6%)	717 (3.4%)
2022	29,675 (96.7%)	749 (3.3%)

Proportions are weighted according to complex survey design.

* P-value was estimated utilizing the Chi-squared test with the Rao-Scott second-order correction.