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. Author manuscript; available in PMC: 2009 Nov 1.
Published in final edited form as: Am J Clin Nutr. 2008 Nov;88(5):1206–1212.

TABLE 1.

Baseline characteristics according to BMI, waist circumference, and smoking for men and women 1

BMI
(kg/m2)
Waist circumference quintile 2
Smoking
<18.5 18.5–
<23.5
23.5–
<25
25–
<30
30–
<35
≥35 1 2 3 4 5 Never Former ≥ 10 yrs Former<10 yrs Current
MEN
N 864 23,681 23,877 72,948 22,195 5,937 26,867 30,293 30,411 28,849 33,082 46,905 69,793 18,793 14,011
Age
(yrs), Mean
(SD)
63.8
(5.1)
63.5
(5.3)
63.5
(5.2)
63.2
(5.2)
62.6
(5.2)
61.6
(5.2)
62.6
(5.4)
63.1
(5.2)
63.3
(5.2)
63.5
(5.2)
63.1
(5.2)
62.7
(5.3)
63.8
(5.1)
62.6
(5.3)
61.9
(5.4)
Non-Hispanic white, % 92.8 93.5 94.2 94.4 94.3 94.1 90.1 93.8 95.0 95.8 95.8 93.8 94.7 93.8 93.7
College or post graduate, % 54.1 55.9 53.3 47.2 40.9 38.2 51.0 50.4 49.2 48.7 43.0 60.1 46.0 38.2 34.0
BMI
(kg/m2), Mean
(SD)
17.3
(0.9)
22.1
(1.1)
24.2
(0.4)
27.1
(1.4)
31.9
(1.4)
38.5
(3.6)
23.3
(2.2)
25.1
(2.1)
26.4
(2.4)
27.7
(2.6)
31.6
(4.3)
26.6
(4.0)
27.2
(4.0)
27.7
(4.2)
26.2
(4.1)
Waist circumference
(cm) mean
(SD)
87.8
(10.5)
87.5
(6.4)
91.7
(6.0)
98.2
(7.4)
108.8
(8.5)
122.2
(11.8)
84.3
(3.4)
90.9
(1.3)
95.9
(1.3)
101.8
(2.0)
113.8
(8.0)
96.7
(10.7)
98.5
(10.9)
100.1
(11.4)
96.1
(11.5)
Current smokers, % 16.8 13.7 10.2 8.3 7.9 6.9 13.7 9.6 8.3 7.6 8.1 - - - -
Physical activity
(times/week), Mean
(SD)
2.7
(2.0)
3.1
(2.0)
3.0
(1.9)
2.7
(1.9)
2.3
(1.9)
1.8
(1.8)
3.2
(1.9)
3.0
(1.9)
2.8
(1.9)
2.6
(1.9)
2.2
(1.9)
2.8
(1.9)
2.9
(1.9)
2.5
(1.9)
2.0
(1.9)
Alcohol intake ≥15 g/day, % 29.3 30.1 31.3 29.6 25.5 20.1 28.6 29.8 29.8 29.9 26.9 20.5 32.1 32.0 37.5
WOMEN
N 1,334 30,788 12,936 27,329 10,545 5,252 17,069 18,077 19,821 15,873 17,344 40,860 24,865 10,986 11,473
Age
(yrs), Mean
(SD)
63.2
(5.5)
62.6
(5.4)
62.9
(5.3)
62.9
(5.3)
62.7
(5.3)
61.7
(5.3)
61.9
(5.4)
62.5
(5.3)
63.0
(5.2)
63.2
(5.2)
62.9
(5.3)
62.9
(5.3)
63.0
(5.3)
62.3
(5.3)
61.8
(5.4)
Non-Hispanic white, % 94.5 94.4 93.4 91.6 89.6 88.8 93.4 93.4 91.7 92.1 91.8 91.8 93.4 92.4 92.7
College and post graduate, % 41.4 39.0 34.2 31.9 29.4 27.8 39.0 37.4 33.5 31.8 29.7 36.2 37.7 28.4 26.1
BMI
(kg/m2), Mean
(SD)
17.7
(0.8)
21.6
(1.3)
24.3
(0.4)
27.2
(1.4)
32.1
(1.4)
39.5
(4.3)
21.5
(2.3)
23.3
(2.4)
25.4
(3.0)
27.5
(3.4)
32.4
(5.6)
26.1
(5.2)
26.1
(5.2)
26.4
(5.2)
24.6
(4.6)
Waist circumference
(cm) mean
(SD)
69.6
(7.8)
74.8
(7.2)
81.4
(7.5)
88.5
(9.0)
98.2
(10.1)
109.6
(13.4)
68.6
(3.0)
76.3
(1.9)
83.4
(2.1)
91.0
(2.3)
105.5
(9.1)
84.5
(13.2)
85.1
(13.4)
86.9
(13.8)
83.0
(12.8)
Current smokers, % 27.4 16.4 13.0 11.3 8.7 7.1 16.0 13.2 13.0 12.4 10.5
Physical activity
(times/week), Mean
(SD)
2.5
(2.1)
2.7
(2.0)
2.5
(1.9)
2.3
(1.9)
1.9
(1.8)
1.5
(1.7)
2.9
(2.0)
2.7
(1.9)
2.4
(1.9)
2.2
(1.9)
1.8
(1.8)
2.5
(1.9)
2.6
(1.9)
2.3
(1.9)
1.9
(1.8)
Alcohol intake ≥15 g/day, % 18.1 16.1 13.5 10.8 7.0 4.6 13.3 14.3 13.0 12.0 8.9 7.3 15.3 16.0 20.4
1

Differences in baseline characteristics between BMI, waist circumference, or smoking status groups were tested using chi-square tests for categorical and analysis of variance for continuous variables: all p<0.01

2

Quintile cut-off points men: 88.9, 94.0, 99.1, 106.7 cm; women: 73.7, 80.0, 87.0, 95.9 cm