TABLE 2.

Multivariable Analysis and Decomposition of the Difference in Severe Headache/Migraine Prevalence Between Sexual Minority Men (Gay or Bisexual) and Heterosexual Men (United States, 2013–2018)

	Multivariable Analysis				Decomposition
Variable (Reference Group)	Adjusted Prevalencea	OR	95% CI	p	% of Difference by Sexual Orientation
Sociodemographic characteristics
Sexual minority men	15.2%	1.64	1.39–1.93	<0.001	—
Heterosexual men	10.3%	—	—	—	—
Age/5		1.13	1.06–1.21	<0.001	22.8%
Age/52		0.99	0.98–0.99	<0.001
Racial/ethnic minority (non-Hispanic white)		0.77	0.71–0.83	<0.001	0.4%
Highest education in family (≥bachelor’s degree)					−1.9%
<High school degree		1.18	1.04–1.34	0.011
High school degree		1.12	1.02–1.23	0.020
Associates degree/some college		1.24	1.14–1.35	<0.001
Financial worry score		1.07	1.04–1.10	<0.001	0.3%
Financial worry score2		1.00	1.00–1.00	0.007
Food insecurity in family (vs. none)		1.36	1.24–1.49	<0.001	1.6%
Family member(s) had unmet need for care (did not)		1.51	1.37–1.66	<0.001	1.4%
Family member(s) needs ADL help (does not)		1.56	1.40–1.73	<0.001	−0.6%
Family size		0.99	0.97–1.02	0.473	1.4%
Health-related characteristics
Positive SMI screen (negative)		3.01	2.65–3.42	<0.001	9.1%
Typical sleep hours/night		0.62	0.58–0.67	<0.001	1.7%
Typical sleep hours/night2		1.02	1.02–1.03	<0.001
Current smoker (not current)		1.28	1.19–1.39	<0.001	1.9%
Average number of drinks/drinking day		0.89	0.85–0.94	<0.001	−4.9%
Average number of drinks/drinking day2		1.01	1.00–1.02	0.007
Body mass index (normal weight)					−1.0%
Underweight		0.98	0.72–1.35	0.920
Overweight		0.98	0.90–1.07	0.637
Obese		1.12	1.03–1.23	0.011
≥4 chronic medical conditions (<4)		2.14	1.87–2.45	<0.001	−1.4%
Total % of higher prevalence among sexual minority men					30.9%

^aPrevalence of severe headache/migraine in the two sexual orientation groups is adjusted by variables listed in the table, as well as the NHIS survey year. A superscripted 2 next to a variable indicates a quadratic term.