Table 3.
Adjusteda Hazard Ratios for Cause-Specific Mortality Associated with Glucosamine Supplement Use
Cause of Death | No. of Deaths | Never Use
|
Former Use
|
Current Use
|
||
---|---|---|---|---|---|---|
HRb | HRb | 95% CIb | HRb | 95% CIb | ||
Death from Cardiovascular Disease | ||||||
Totalc | 1,365 | 1.00 | 1.12 | 0.82–1.52 | 0.88 | 0.74–1.06 |
No history at baseline | 751 | 1.00 | 1.01 | 0.65–1.55 | 0.91 | 0.72–1.14 |
History at baseline | 607 | 1.00 | 1.26 | 0.80–1.97 | 0.87 | 0.65–1.17 |
Death from ischemic heart diseased | ||||||
Total | 755 | 1.00 | 1.22 | 0.81–1.83 | 0.85 | 0.66–1.09 |
No history at baseline | 416 | 1.00 | 1.02 | 0.57–1.82 | 0.93 | 0.68–1.25 |
History at baseline | 337 | 1.00 | 1.45 | 0.82–2.59 | 0.69 | 0.44–1.06 |
Death from Cancer | ||||||
Totale | 2,436 | 1.00 | 1.12 | 0.89–1.41 | 0.87 | 0.76–0.98 |
No history at baseline | 1,357 | 1.00 | 1.14 | 0.84–1.53 | 0.85 | 0.71–1.00 |
History at baseline | 1,068 | 1.00 | 0.97 | 0.67–1.39 | 0.90 | 0.74–1.09 |
Death from lung cancer f | ||||||
Total | 683 | 1.00 | 0.82 | 0.49–1.37 | 0.91 | 0.70–1.17 |
No history at baseline | 563 | 1.00 | 0.69 | 0.37–1.30 | 0.92 | 0.70–1.21 |
History at baseline | 117 | 1.00 | 1.27 | 0.40–4.02 | 0.84 | 0.38–1.83 |
Death from hematopoietic cancerg | ||||||
Total | 274 | 1.00 | 1.24 | 0.64–2.37 | 0.81 | 0.53–1.22 |
No history at baseline | 194 | 1.00 | 1.19 | 0.55–2.58 | 0.69 | 0.43–1.12 |
History at baseline | 79 | 1.00 | 1.10 | 0.25–4.88 | 1.36 | 0.56–3.31 |
Death from colorectal cancerh | ||||||
Total | 199 | 1.00 | 0.44 | 0.11–1.78 | 1.34 | 0.89–2.02 |
No history at baseline | 121 | 1.00 | 0.68 | 0.08–5.48 | 1.26 | 0.60–2.65 |
History at baseline | 77 | 1.00 | 0.33 | 0.05–2.39 | 1.25 | 0.75–2.07 |
Death from breast canceri | ||||||
Total | 168 | 1.00 | 0.30 | 0.07–1.23 | 1.09 | 0.73–1.62 |
No history at baseline | 43 | 1.00 | . | . | 1.06 | 0.50–2.23 |
History at baseline | 123 | 1.00 | 0.38 | 0.09–1.55 | 1.09 | 0.68–1.76 |
Death from pancreatic cancer j | ||||||
Total | 168 | 1.00 | 1.32 | 0.61–2.84 | 1.13 | 0.72–1.78 |
No history at baseline | 144 | 1.00 | 1.96 | 0.94–4.09 | 1.10 | 0.69–1.77 |
History at baseline | 24 | 1.00 | N/A | N/A | ||
Death from other cancerse | 844 | 1.00 | 1.53 | 1.09–2.13 | 0.69 | 0.54–0.87 |
Death from Other Causes | ||||||
Totalk | 1,294 | 1.00 | 0.84 | 0.60–1.17 | 0.67 | 0.56–0.81 |
Death from respiratory diseasel | ||||||
Total | 472 | 1.00 | 0.98 | 0.53–1.81 | 0.59 | 0.41–0.83 |
No History at baseline | 248 | 1.00 | 0.80 | 0.35–1.83 | 0.62 | 0.38–0.99 |
History at baseline | 223 | 1.00 | 1.33 | 0.53–3.38 | 0.55 | 0.32–0.94 |
All models adjusted for age, sex, race/ethnicity, marital status (married/living together, never married, separated/divorced, widowed), education (≤high school graduate, some college, college/advanced degree), BMI at age 45 (<18.8, 18.5–<25.0 kg/m2, 25.0–29.9 kg/m2, ≥30.0 kg/m2), number of servings per day of fruits (quartiles), number of servings per day of vegetables (quartiles), average alcohol intake at age 45 (none, <1 drink/day, 1–2 drinks/day, ≥2 drinks/day), self-rated health (excellent, very good, good, fair, poor), mammogram in the last 2 years (yes/no), PSA test in the last 2 years (yes/no), sigmoidoscopy in the last 10 years (yes/no), current use of cholesterol-lowering medication (yes/no), aspirin use past 10 years (none, low, high, missing), non-aspirin NSAID use part 10 years (none, low, high, missing), smoking (never, 1–12.5 pack-years, 12.6–35.0 pack-years, 35.0+ pack-years), history of osteoarthritis or joint pain (yes/no)
HR = hazard ratio; CI = confidence interval
Additionally adjusted for history of history of cardiovascular disease (yes/no, defined as history of heart attack, coronary bypass surgery, angioplasty, stroke, congestive heart failure, or diagnosis of angina), family history of heart attack (no. relatives 0,1,2+), current use of blood pressure medication (yes/no), % of calories from trans fat (quartiles), % calories from saturated fat (quartiles), years of estrogen therapy (none, <5, 5–10, 10+), and years of estrogen plus progestin therapy (none, <5, 5–10, 10+)
Additionally adjusted for history of ischemic heart disease (yes/no, defined as history of heart attack, coronary bypass surgery, angioplasty, or diagnosis of angina), family history of heart attack (no. relatives 0,1,2+), current use of blood pressure medication (yes/no), % of calories from trans fat (quartiles), % calories from saturated fat (quartiles), years of estrogen therapy (none, <5, 5–10, 10+), and years of estrogen plus progestin therapy (none, <5, 5–10, 10+)
Additionally adjusted for history of cancer other than non-melanoma skin cancer (yes/no), family history of cancer (no. relatives 0,1,2+), years of estrogen therapy (none, <5, 5–10, 10+), years of estrogen plus progestin therapy (none, <5, 5–10, 10+), age at menopause (39 or younger, 40–44, 45–49, 50–54, 55 or older), age at menarche (<=11, 12, 13, 14+), and servings per week of red/processed meat (quartiles)
Additionally adjusted for history of lung cancer (yes/no), family history of lung cancer (no. relatives 0,1,2+), history of emphysema, chronic bronchitis or chronic obstructive pulmonary disease (yes/no), pack-years squared, and years smoked
Additionally adjusted for history of leukemia/lymphoma (yes/no), family history of leukemia/lymphoma (no. relatives 0,1,2, history of any cancer (yes/no), history of rheumatoid arthritis (yes/no), history of fatigue/lack of energy (yes/no)
Additionally adjusted for history of colorectal cancer (yes/no), family history of colorectal cancer (no. relatives 0,1,2+), years of estrogen therapy (none, <5, 5–10, 10+), years of estrogen plus progestin therapy (none, <5, 5–10, 10+), calcium intake from diet and calcium intake from supplements, and number of servings per week of red/processed meat (quartiles)
Additionally adjusted for history of breast cancer (yes/no), family history of breast cancer (no. relatives 0,1,2+), years of estrogen therapy (none, <5, 5–10, 10+), years of estrogen plus progestin therapy (none, <5, 5–10, 10+) age at first birth, history of hysterectomy (none, simple, total), age at menopause (age 39 or younger, 40–44, 45–49, 50–54, 55 or older) and age at menarche (<=11, 12, 13, 14+)
Additionally adjusted for history of pancreatic cancer (yes/no), family history of pancreatic cancer (no. relatives 0,1,2+), number of servings per week of red/processed meat (quartiles), and history of diabetes (yes/no)
Additionally adjusted for morbidity score (see footnote c of Table 2), % calories from trans fat (quartiles), % calories from saturated fat (quartiles), years of estrogen therapy (none, <5, 5–10, 10+), years of estrogen plus progestin therapy (none, <5, 5–10, 10+), age at menopause (age 39 or younger, 40–44, 45–49, 50–54, 55 or older), age at death of father (59 or younger, 60–69, 70–79, 80–89, 90 or older), and age at death of mother (59 or younger, 60–69, 70–79, 80–89, 90 or older)
Additionally adjusted for history of emphysema, chronic bronchitis or chronic obstructive pulmonary disease (yes/no), history of asthma (yes/no), and history of allergies (yes/no), pack-years squared, and years smoked