| N |
13,705 |
2159 |
1442 |
2234 |
| US Population size represented (weighted N) |
87,287,033
|
13,281,193
|
8,872,966
|
18,939,894
|
|
Sociodemographic characteristics
|
|
|
|
|
| Age, mean (SE) |
52.1 (0.2) |
60.7 (0.4) |
60.9 (0.5) |
49.8 (0.1) |
| Race/ethnicity |
|
|
|
|
| White, non-Hispanic |
72.0% |
76.0% |
75.7% |
70.6% |
| Black, non-Hispanic |
11.6% |
9.2% |
9.1% |
12.6% |
| Mexican American |
6.1% |
3.6% |
3.4% |
5.7% |
| Other Hispanic |
4.9% |
7.1% |
7.3% |
4.5% |
| Other race |
5.5% |
4.1% |
4.5% |
6.6% |
| Education |
|
|
|
|
| Less than high school |
7.1% |
9.9% |
9.1% |
5.2% |
| High school or equivalent |
38.1% |
44.1% |
43.8% |
23.3% |
| Some college or college graduate |
54.6% |
45.9% |
47.1% |
59.8% |
| Born in the United States |
85.8% |
86.9% |
85.6% |
86.3% |
| Family poverty level |
|
|
|
|
| Below the poverty level (<100%) |
12.1% |
13.0% |
12.5% |
9.8% |
| At the poverty level (100–199%) |
19.4% |
20.5% |
20.9% |
14.4% |
| Above the poverty level (≥200%) |
68.5% |
66.5% |
66.6% |
75.8% |
|
Reproductive characteristics
|
|
|
|
|
| Age at menarche, mean (SE) |
12.8 (0.0) |
12.8 (0.1) |
12.8 (0.1) |
12.7 (0.0) |
| Age at menopause, mean (SE) |
— |
45.5 (0.4) |
45.4 (0.4) |
44.6 (—) |
| Number of pregnancies, mean (SE) |
3.4 (0.0) |
3.9 (0.1) |
3.8 (0.1) |
3.1 (0.1) |
| Number of live births, mean (SE) |
1.0 (0.0) |
2.8 (0.1) |
2.8 (0.1) |
0.9 (0.0) |
| Number of children breastfed at least 1 month, mean (SE) |
2.2 (0.0) |
2.4 (0.1) |
2.4 (0.1) |
2.0 (—) |
|
General health and behaviors
|
|
|
|
|
| Body mass index, mean (SE) |
28.7 (0.2) |
28.8 (0.2) |
28.7 (0.2) |
29.1 (0.2) |
| Number of alcoholic drinks/day, mean (SD) |
1.8 (0.1) |
1.8 (0.1) |
1.8 (0.1) |
2.0 (—) |
| Smoking history |
|
|
|
|
| Never smoked 100 cigarettes |
57.4% |
55.2% |
54.7% |
53.4% |
| Current smoker |
19.5% |
18.4% |
20.2% |
24.2% |
| Past smoker |
23.1% |
26.4% |
25.1% |
22.4% |
