Table 1.
Participant characteristics at the NHS II 1989 baseline assessment (N=49,859 women)
| Characteristic | n or mean | % or SD |
|---|---|---|
| Trauma/PTSD exposure | ||
| No trauma | 15,316 | 30.72 |
| Trauma/no PTSD | 25,085 | 50.31 |
| Trauma/mild PTSD | 3,120 | 6.26 |
| Trauma/moderate PTSD | 2,303 | 4.62 |
| Trauma/severe PTSD | 1,682 | 3.37 |
| Remitted mild PTSD | 1,606 | 3.22 |
| Remitted moderate or severe PTSD | 747 | 1.5 |
| Age in 1989 (years, mean) | 34.75 | 4.64 |
| Maternal history of MI | 5,493 | 11.02 |
| Paternal history of MI | 14,734 | 29.55 |
| Maternal history of stroke | 4,410 | 8.84 |
| Paternal history of stroke | 6,520 | 13.08 |
| Neighborhood median family income ($, mean) | 61,120 | 22,559 |
| Parents’ education at birth, ≥ college | 11,427 | 22.92 |
| Missing | 2,207 | 4.43 |
| Parents own a home at birth | 25,611 | 51.37 |
| Missing | 2,388 | 4.79 |
| Race | ||
| Non-Hispanic white | 46,783 | 93.8306 |
| Minority | 2,441 | 4.89581 |
| Missing | 635 | 1.27359 |
| Alcohol intake, (grams/day, mean) | 3 | 5.47 |
| Physical activity | ||
| <3 MET hrs/wk | 7,124 | 14.29 |
| 3–8.9 MET hrs/wk | 11,398 | 22.86 |
| 9–17.9 MET hrs/wk | 10,606 | 21.27 |
| 18–26.9 MET hrs/wk | 6,712 | 13.46 |
| 27+ MET hrs/wk | 13,879 | 27.84 |
| Missing | 140 | 0.28 |
| Worst diet (1st quintile) on the Alternative Healthy Eating Index* |
9,198 | 18.45 |
| Missing | 217 | 0.44 |
| Cigarette smoking | ||
| Never | 33,264 | 66.71 |
| Former | 10,880 | 21.82 |
| Current, 1–14 | 2,262 | 4.54 |
| Current, 15–24 | 2,257 | 4.53 |
| Current, 25+ | 1,031 | 2.07 |
| Missing | 165 | 0.33 |
Abbreviations: %=percent; $=US dollar; MET hrs/wk=metabolic equivalent hours per week; MI=myocardial infarction; NHS II=Nurses’ Health Study II; SD=standard deviation
*
First assessed in 1991.