Table 2.
Characteristics of TEDDY general population families associated with study withdrawal in the first year after enrollment
| Characteristic | Actives (n = 2994) |
Withdrawals (n =763 ) |
Total Sample (n = 3757) |
|---|---|---|---|
| Country | N (%) | N (%) | N |
| Finland | 747(84%) | 140(16%) | 887 |
| Germany | 106(75%) | 36(25%) | 142 |
| Sweden | 1052(82%) | 231(18%) | 1283 |
| United States | 1089(75%) | 356(25%) | 1445 |
| Child sex | N (%) | N (%) | N |
| Male | 1538 (81%) | 352 (19%) | 1890 |
| Female | 1456 (78%) | 411 (22%) | 1867 |
| Maternal age (years) | M (SD) | M (SD) | M (SD) |
| 30.8 (5.0) | 28.5 (5.7) | 30.4(5.2) | |
| Maternal Lifestyle Behaviors During Pregnancy | |||
| Smoking | N (%) | N (%) | N |
| Smoked | 296(63%) | 171(37%) | 467 |
| Did not smoke | 2602(84%) | 510(16%) | 3112 |
| Data missing | 96(54%) | 82(46%) | 178 |
| Alcohol consumption at 3rd trimester | N (%) | N (%) | N |
| Alcohol 1–2 times per month | 474(87%) | 72(13%) | 546 |
| Alcohol ≥ 3 time per month | 105(89%) | 13(11%) | 118 |
| No alcohol | 2359(79%) | 609(21%) | 2968 |
| Data missing | 56(45%) | 69(55%) | 125 |
| Employment status | N (%) | N (%) | N |
| Worked all 3 trimesters | 1418(85%) | 251(15%) | 1669 |
| Reduced work, quit, or did not work at all | 1426(77%) | 417(23%) | 1843 |
| Data missing | 150(61%) | 95(39%) | 245 |
| Dad Participation in TEDDY | N (%) | N (%) | N |
| Participated | 2813(82%) | 624(18%) | 3437 |
| Did Not Participate | 181(57%) | 139(43%) | 320 |
| Maternal Reactions to Child’s Increased TIDM Risk | |||
| Risk perception | N (%) | N (%) | N |
| Accurate | 1809(84%) | 355(16%) | 2164 |
| Underestimate | 1132(77%) | 343(23%) | 1475 |
| Data missing | 53(45%) | 65(55%) | 118 |
| State Anxiety Inventory score | M (SD) | M (SD) | M (SD) |
| Total Sample | 38.7(9.7) | 40.8(10.6) | 39.1(9.9) |
| Risk Perception: Accurate | 38.8(10.2) | 41.7(10.4) | 39.3(9.6) |
| Risk Perception: Underestimate | 38.4(10.2) | 39.9(10.8) | 38.8(10.4) |
| N (%) | N (%) | N | |
| Data missing | 46 (42%) | 63 (58%) | 109 |
| Missing Data | N (%) | N (%) | N |
| ≤1 missing data points | 2944 (81%) | 695 (19%) | 3639 |
| > 1 missing data points | 50 (42%) | 68 (58%) | 118 |