Table 1.

Participant characteristics

	Population Cohort		Clinic Cohort		Combined Cohorts
	n	%	n	%	n	%
Overall	434	–	433	–	867	–
Household income
-Under $12,000	8	2%	4	1%	12	1%
-$12,001 – $25,000	20	5%	14	3%	34	4%
-$25,001 – $50,000	129	30%	87	20%	216	25%
-$50,001 – $75,000	159	37%	124	29%	283	33%
-$75,001 – $100,000	67	15%	108	25%	175	20%
-Over $100,000	35	8%	76	18%	111	13%
-No answer	16	4%	20	5%	36	4%
Insurance coverage for infertility testing and/or treatment
-None, unsure, or no answer	310	71%	358	83%	668	77%
-Some coverage other than IVF	111	26%	62	14%	173	20%
-IVF coverage	13	3%	13	3%	26	3%
Religious preference
-None	38	9%	37	9%	75	9%
-Latter-day Saint	343	79%	319	74%	662	76%
-Catholic	6	1%	17	4%	23	3%
-Other Christian	21	5%	40	9%	61	7%
-Other non-Christian	13	3%	10	2%	23	3%
-No answer	13	3%	10	2%	23	3%
Religious attendance
-Never	58	13%	46	11%	104	12%
-Monthly or less	56	13%	63	15%	119	14%
-Weekly or more	310	71%	315	73%	625	72%
-No answer	10	2%	9	2%	19	2%
Body mass index
-Under 25 kg/m2	194	45%	206	48%	400	46%
-25–30 kg/m2	107	25%	97	22%	204	24%
-Over 30 kg/m2	97	22%	94	22%	191	22%
-No answer	36	8%	36	8%	72	8%
Age at beginning of first attempt to conceive
-Under 25 years	274	63%	201	46%	475	55%
-25–30 years	141	32%	161	37%	302	35%
-Over 30 years	19	4%	67	15%	86	10%
-No answer	0	0%	4	1%	4	0%
Age at first infertility visit
-Under 25 years	151	35%	145	33%	296	34%
-25–30 years	173	40%	168	39%	341	39%
-Over 30 years	35	8%	112	26%	147	17%
-Not applicable or no answer	75	17%	8	2%	83	10%
Cumulative months attempting to conceive before first infertility visit
-11 months or less	125	29%	156	36%	281	32%
-12–23 months	156	36%	190	44%	346	40%
-24–35 months	47	11%	41	9%	88	10%
-Over 36 months	31	7%	42	10%	73	8%
-Not applicable or no answer	75	17%	4	1%	79	9%