Table 1. Participant Characteristics by Lifetime Infertility Status in Project Viva.
| Characteristic | Participants, No. (%) | ||
|---|---|---|---|
| Total (N = 468) | Lifetime history of infertility (n = 160 [34.2%]) | No lifetime history of infertility (n = 308 [65.8%]) | |
| Infertility at enrollment | NA | 90 (19.2) | NA |
| Age, mean (SD), y | |||
| At menarche | 12.8 (1.4) | 12.7 (1.4) | 12.8 (1.4) |
| At enrollment | 32.5 (5.2) | 34.3 (4.7) | 31.5 (5.2) |
| At midlife visit | 50.6 (5.3) | 52.4 (4.8) | 49.7 (5.3) |
| First infertility at age <35 y | NA | 64 (40.0) | NA |
| First infertility at age ≥35 y | NA | 94 (58.8) | NA |
| Prepregnancy body mass index, mean (SD)a | 24.6 (5.0) | 24.4 (4.4) | 24.7 (5.3) |
| Race and ethnicity | |||
| Hispanic | 42 (9.0) | 13 (8.1) | 29 (9.5) |
| Non-Hispanic Black | 69 (14.8) | 14 (8.8) | 55 (17.9) |
| Non-Hispanic White | 312 (66.8) | 115 (71.9) | 197 (64.2) |
| Otherb | 44 (9.4) | 18 (11.3) | 26 (8.5) |
| Perceived body size at age 10 y | |||
| Underweight | 67 (15.2) | 24 (15.7) | 43 (15.0) |
| Average | 322 (73.2) | 113 (73.9) | 209 (72.8) |
| Overweight | 51 (11.6) | 16 (10.5) | 35 (12.2) |
| College graduate | 344 (73.8) | 132 (82.5) | 212 (69.3) |
| Married or cohabitating | 426 (91.4) | 150 (93.8) | 276 (90.2) |
| Annual household income >$70 000 | 285 (66.4) | 114 (76.0) | 171 (61.3) |
| Life’s Essential 8 scores | |||
| Overallc | 76.3 (12.2) | 75.2 (12.4) | 76.8 (12.0) |
| Behavioral domaind | 76.5 (13.4) | 76.8 (13.2) | 76.4 (13.6) |
| Diet | 47.8 (15.2) | 47.9 (15.0) | 47.6 (15.5) |
| Physical activity | 83.0 (33.6) | 85.5 (29.4) | 81.7 (33.6) |
| Smoking status | 91.4 (20.2) | 90.5 (22.7) | 91.9 (18.8) |
| Sleep health | 83.9 (21.2) | 83.7 (20.6) | 84.0 (21.5) |
| Biomedical domaine | 76.0 (17.5) | 73.6 (18.0) | 77.2 (17.2) |
| Body mass index | 66.1 (34.0) | 66.0 (32.5) | 66.1 (34.7) |
| Blood pressure | 79.9 (26.7) | 80.5 (25.9) | 79.6 (27.1) |
| Blood lipidsf | 67.9 (31.2) | 61.3 (32.3) | 71.4 (30.1) |
| Glycemiag | 89.9 (19.4) | 86.5 (23.1) | 91.7 (16.9) |
| Blood biomarkers subdomainh | 78.9 (19.2) | 73.9 (20.7) | 81.6 (17.9) |
Abbreviation: NA, not applicable.
a
Body mass index is calculated as weight in kilograms divided by height in meters squared.
b
Other includes American Indian or Alaska Native, non-Hispanic Asian or Pacific Islander, and participants who endorsed more than 1 race.
c
Possible score range is 0 to 100, with higher scores indicating healthier outcomes.
d
Behavioral domain includes diet, physical activity, smoking status, and sleep duration.
e
Biomedical domain includes body mass index, blood pressure, blood lipids (non–high-density lipoprotein cholesterol), and glycemia.
f
Refers to calculated non–high-density lipoprotein cholesterol.
g
Refers to fasting glucose or hemoglobin A1c plus diabetes status.
h
Blood subdomain includes blood lipids and glycemia.