Table 1.
Characteristics at study baselinea of usual agers and healthy agers in the Nurses' Health Study.
| Characteristicsb | Healthy agers (n = 5,538) | Usual agers (n = 28,393) |
|---|---|---|
| Mean age, years | 58 (4.9) | 62 (6.5) |
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| ||
| Educational level (1992), % (n) | ||
| Registered nurse | 59 (3267) | 68 (19307) |
| Bachelor's degree | 25 (1385) | 21 (5963) |
| Master or doctorate | 16 (886) | 11 (3123) |
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| ||
| Marital status (1996), % (n) | ||
| Widowed | 5 (277) | 10 (2839) |
| Married | 86 (4763) | 82 (23282) |
| Separated/divorced | 9 (498) | 8 (2271) |
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| ||
| Median neighborhood income, $ | 69,517 (27,170) | 64,929 (24,843) |
|
| ||
| Body mass index, % (n) | ||
| <22 | 26 (1440) | 16 (4543) |
| 22–24.9 | 35 (1938) | 27 (7666) |
| 25–29.9 | 31 (1717) | 36 (10221) |
| ≥30 | 8 (443) | 22 (6246) |
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| Mean alternate healthy eating index-2010 score (excluding nuts) | 47 (9) | 45 (9) |
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| Mean alcohol intake, g/day | 6 (8) | 5 (9) |
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| Multivitamin use, % (n) | 61 (3378) | 62 (17604) |
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| ||
| Aspirin use, tablets per week, % (n) | ||
| <1 | 68 (3766) | 62 (17604) |
| 1‐2 | 7 (388) | 7 (1988) |
| >2 | 25 (1384) | 31 (8802) |
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| ||
| Pack-years of smoking | 7 (12) | 11 (17) |
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| Mean physical activity, metabolic equivalent task-hours/week | 26 (27) | 18 (21) |
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| ||
| History of high blood pressure, % (n) | 21 (1163) | 39 (11073) |
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| History of high cholesterol, % (n) | 39 (4984) | 56 (15900) |
aStudy baseline is 1998 for this table, unless otherwise noted. Measures in table were calculated among nonmissing values (≤5% of data were missing). bData expressed as mean (SD) or as percent.