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Table 1 Characteristics of men and women ages 67–90 (n = 2571) by quartiles of HOMA-R (Visit 5, 2011–2013)

From: Association of insulin resistance, from mid-life to late-life, with aortic stiffness in late-life: the Atherosclerosis Risk in Communities Study

 

HOMA-IR

Overall

Mean ± SE or n (%)

Quartile 1

Mean ± SE or n (%)

Quartile 2

Mean ± SE or n (%)

Quartile 3

Mean ± SE or n (%)

Quartile 4

Mean ± SE or n (%)

Demographic

     

 Age, years

75 ± 0.2

75 ± 0.2

76 ± 0.2

75 ± 0.2

75 ± 0.1

 Men

195 (30)

235 (37)

250 (39)

277 (43)

957 (37)

 African American

88 (14)

109 (17)

102 (16)

134 (21)

433 (17)

Anthropometric

     

 Waist circumference, cm

90 ± 0.4

95 ± 0.4

99 ± 0.4

103 ± 0.4

97 ± 0.2

 BMI, kg/m2

24 ± 0.1

26 ± 0.1

28 ± 0.2

30 ± 0.2

27 ± 0.1

Hemodynamic

     

 SBP, mmHg

130 ± 0.7

130 ± 0.7

131 ± 0.7

130 ± 0.6

130 ± 0.3

 DBP, mmHg

65 ± 0.4

67 ± 0.4

66 ± 0.4

68 ± 0.4

66 ± 0.2

 MAP, mmHg

87 ± 0.5

88 ± 0.4

88 ± 0.4

88 ± 0.4

88 ± 0.2

 Heart rate, beats per minute

62 ± 0.4

64 ± 0.4

64 ± 0.4

65 ± 0.4

64 ± 0.2

 Blood pressure medication

333 (52)

378 (59)

449 (70)

480 (75)

1640 (64)

Behavioral

     

 Current smoker

46 (7)

33 (5)

39 (6)

23 (4)

141 (6)

 Current drinker

397 (63)

368 (59)

357 (56)

305 (48)

1427 (56)

 Former smoker

279 (46)

295 (50)

289 (48)

312 (53)

1175 (49)

 Former drinker

127 (20)

131 (21)

162 (25)

195 (31)

615 (24)

cfPWV, cm/s

     

 Men

1096 ± 21

1173 ± 19

1161 ± 18

1135 ± 17

1143 ± 9

 Women

1089 ± 14

1103 ± 14

1117 ± 14

1147 ± 15

1112 ± 7

 Overall

1091 ± 12

1129 ± 12

1134 ± 11

1142 ± 11

1124 ± 6

High cfPWV, > 75th percentile

     

 Men

44 (23)

76 (32)

68 (27)

65 (23)

253 (26)

 Women

83 (19)

95 (23)

111 (28)

98 (27)

387 (24)

 Overall

127 (20)

171 (27)

179 (28)

163 (25)

640 (25)

  1. Characteristics are defined by either the mean ± standard error or the frequency (percent). For HOMA-IR quartiles, the lower and upper limits are: [0.04, 1.58) for quartile 1; [1.58, 2.41) for quartile 2; [2.41, 3.60) for quartile 3; and [3.60, 9.23] for quartile 4
  2. BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, MAP mean arterial pressure, cfPWV carotid-femoral pulse wave velocity, HOMA-IR homeostatic model assessment of insulin resistance