Table 2.
Frequency of Ibuprofen Use, days/week |
||||||||||
---|---|---|---|---|---|---|---|---|---|---|
<1 (n = 17,867) |
1 (n = 24,957) |
2–3 (n = 10,324) |
4–5 (n = 2,045) |
≥6 (n = 2,861) |
||||||
Mean (SD) | %b | Mean (SD) | % | Mean (SD) | % | Mean (SD) | % | Mean (SD) | % | |
Age, yearsc | 40.1 (4.7) | 39.9 (4.6) | 40.5 (4.5) | 41.1 (4.5) | 42.0 (4.2) | |||||
Body mass indexd | 25.1 (5.6) | 25.2 (5.5) | 26.2 (6.0) | 27.5 (6.7) | 28.5 (7.4) | |||||
Physical activitye in 1997, METs | 18.9 (23.2) | 18.8 (22.0) | 18.6 (22.6) | 18.5 (23.5) | 16.2 (20.3) | |||||
Smoking status | ||||||||||
Never smoker | 69.0 | 66.6 | 65.2 | 63.7 | 62.7 | |||||
Past smoker | 21.9 | 23.9 | 24.2 | 24.5 | 26.0 | |||||
Current smoker, cigarettes/day | ||||||||||
1–4 | 1.6 | 2.0 | 2.1 | 1.4 | 1.9 | |||||
5–14 | 2.8 | 3.0 | 3.1 | 3.2 | 3.0 | |||||
≥15 | 4.5 | 4.4 | 5.3 | 7.0 | 6.4 | |||||
Alcohol consumption, g/day | 3.1 (6.3) | 3.7 (6.6) | 3.8 (6.8) | 4.0 (7.5) | 3.5 (7.1) | |||||
Daily nutrient intake | ||||||||||
Vitamin B12, µg | 10.1 (16.4) | 9.9 (13.1) | 10.0 (17.7) | 10.1 (12.5) | 10.6 (13.2) | |||||
Folate, µg | 475.5 (306.8) | 455.0 (265.5) | 443.5 (245.2) | 442.3 (248.2) | 476.2 (272.2) | |||||
Potassium, mg | 3,110.9 (639.8) | 3,133.1 (628.7) | 3,112.6 (633.2) | 3,103.9 (671.6) | 3,093.4 (699.0) | |||||
Magnesium, mg | 332.0 (86.8) | 334.1 (86.4) | 332.5 (83.3) | 333.2 (85.4) | 335.7 (95.3) | |||||
Vitamin A, IU | 14,470 (10,324) | 14,484 (10,149) | 14,222 (9,539) | 14,406 (10,100) | 14,697 (10,327) | |||||
History of hypertension | 8.2 | 7.7 | 10.3 | 13.1 | 16.6 | |||||
History of diabetes | 1.2 | 1.0 | 1.2 | 1.3 | 2.6 | |||||
Non-Hispanic white race | 91.5 | 94.1 | 94.9 | 94.2 | 94.5 |
Abbreviations: METs, metabolic equivalents; SD, standard deviation.
a Data were standardized to the age distribution of the study population.
b Percentages for smoking may not add up to 100% because of missing information.
c Values were not age-adjusted.
d Weight (kg)/height (m)2.
e Recreational and leisure-time activity.