Table 1.
Select sociodemographic characteristics for participants with and without HFM.
| HFM N=124 |
Control N=349 |
|||
|---|---|---|---|---|
| Characteristic | N | (%)a | N | (%)a |
| Sex | ||||
| Female | 49 | (40) | 187 | (54) |
| Male | 75 | (60) | 162 | (46) |
| Year of Birth | ||||
| 1996–1997 | 30 | (24) | 59 | (17) |
| 1998 | 41 | (33) | 115 | (33) |
| 1999 | 28 | (23) | 100 | (29) |
| 2000 | 25 | (20) | 75 | (21) |
| Race/Ethnicity | ||||
| Non-Hispanic White | 83 | (67) | 263 | (75) |
| Hispanic | 24 | (19) | 21 | (6) |
| Other | 17 | (14) | 65 | (19) |
| Region | ||||
| Northeast/ Mid-Atlantic | 30 | (24) | 93 | (27) |
| Midwest | 99 | (27) | 276 | (36) |
| South | 6 | (16) | 14 | (17) |
| West | 10 | (33) | 22 | (21) |
| Maternal Education b | ||||
| <12 | 16 | (13) | 21 | (6) |
| 12 | 26 | (22) | 79 | (23) |
| 13–15 | 30 | (25) | 85 | (25) |
| 16+ | 47 | (39) | 160 | (46) |
| Annual Household Income c | ||||
| <$25,000 | 23 | (19) | 29 | (9) |
| $25,000 – 34,999 | 16 | (13) | 34 | (10) |
| $35,000 – 64,999 | 24 | (20) | 85 | (25) |
| ≥$65,000 | 58 | (48) | 190 | (56) |
a
% may not add up to 100 due to rounding error
b
Maternal education is missing for 5 (4%) cases and 4 (1%) controls
c
Income is missing for 3 (2%) cases and 11 (3%) controls