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Table 1 Descriptive characteristics of SHFS participants stratified by study recruitment center.1

From: Linkage study of fibrinogen levels: the Strong Heart Family Study

 

AZ

DK

OK

Total sample size 2

N = 1195

N = 1158

N = 1182

Female N, (%)

747 (63)

684 (59)

700 (59)

Age, years Mean (± SD)

36.99 (16)

38.71 (17)

43.49 (17)

Fibrinogen, mg/dl Mean (± SD)

417.5 (87)

366.2 (80)

384.3 (84)

Diabetes 3 N (%)

391 (33)

162 (14)

241 (20)

Smoking,4Current N (%)

301 (25)

498 (43)

391 (33)

Waist, cm Mean (± SD)

111.5 (19)

99.4 (17)

101.6 (16)

Menopausal, Yes N (%)

187 (25)

180 (26)

259 (37)

Alcohol, Current N (%)

704 (59)

772 (67)

563 (48)

Total Cholest, mg/dl Mean (± SD)

174.5 (34.1)

181.4 (36.8)

185.9 (37.2)

LDL-Cholest, mg/dl Mean (± SD)

93.9 (25.9)

100.6 (31.0)

100.1 (30.4)

Triglycerides, mg/dl Mean (± SD)

170.1 (134.6)

156.9 (135.9)

172.3 (171.7)

Estrogen use, Yes N (%)

30 (4)

58 (8)

112 (16)

BMI, Kg/m2 Mean (± SD)

35.3 (8.4)

30.1 (6.7)

31.1 (6.7)

  1. 1 Percentages and means calculated only from those with available measurements. 2 Participants remaining after excluding age, waist and fibrinogen ± 3SD and those with missing values. 3 Diabetes was determined using the American Diabetes Association criteria. 4 Smoking was defined as having had at least one hundred cigarettes.