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Table 1 Descriptive statistics for total sample and across cIMT ≥75% and presence of carotid plaque variables

From: The combined effect of physical activity and sedentary behavior on subclinical atherosclerosis: a cross-sectional study among Mexican Americans

Variable, M (SD) Total N = 612 cIMT ≥75% Presence of Carotid Plaque
Normal N = 512 Abnormal N = 100 No Plaque N = 462 Plaque N = 150
Physical Activity and Sedentary Behavior Variables
Physical Activity (n, %)
 No Activity 394 (64.4) 324 (63.3) 70 (70.0) 277 (59.9) 117 (78.0)
 Low Activity 49 (8.0) 44 (8.6) 5 (5.0) 39 (8.4) 10 (6.7)
 Moderate Activity 81 (13.2) 71 (13.9) 10 (10.0) 71 (15.4) 10 (6.7)
 High Activity 88 (14.4) 73 (14.3) 15 (15.0) 75 (16.2) 13 (8.7)
TV/Movie Sitting Time (hr./day) 1.8 (1.6) 1.7 (1.6) 2.0 (1.7) 1.7 (1.5) 2.1 (1.8)
Demographic Variables
 Female (n, %) 414 (67.6) 363 (70.9) 51 (51.0) 329 (71.2) 85 (56.7)
 Age at cIMT 50.4 (14.1) 49.5 (14.5) 54.9 (10.6) 46.9 (13.5) 61.0 (9.9)
 Employed (n, %) 309 (50.5) 259 (50.6) 50 (50.0) 254 (55.0) 55 (36.7)
Marital Status (n, %)
 Single 98 (16.0) 91 (17.8) 7 (7.0) 86 (18.6) 12 (8.0)
 Married 406 (66.3) 333 (65.0) 73 (73.0) 304 (65.8) 102(68.0)
 Divorced/Separated 108 (17.7) 88 (17.2) 20 (20.0) 72 (15.6) 36 (24.0)
Years Education 11.1 (5.5) 11.3 (5.6) 10.1 (4.7) 11.5 (5.4) 9.8 (5.5)
Health Related Variables
Smoking (n, %)
 Never 202 (33.0) 161 (31.4) 41 (41.0) 150 (32.5) 52 (34.6)
 Sometimes 135 (22.1) 110 (21.5) 25 (25.0) 93 (20.1) 42 (28.0)
 Other 275 (44.9) 241 (47.1) 34 (34.0) 219 (47.4) 56 (37.3)
Heavy Alcohol Use (n, %) 20 (3.3) 11 (2.2) 9 (9.0) 14 (3.0) 6 (4.0)
BMI (kg/m2) 30.9 (6.3) 30.8 (6.4) 31.1 (5.4) 30.9 (6.4) 30.6 (5.7)
Total Cholesterol (mg/dL) 182.4 (37.9) 181.1 (36.4) 188.9 (44.5) 181.0 (35.2) 186.8 (45.0)
Triglycerides (mg/dL) 146.7 (89.5) 142.5 (88.9) 168.4 (89.9) 142.5 (90.4) 159.9 (85.6)
HDL-Cholesterol (mg/dL) 45.9 (13.2) 46.3 (13.0) 43.9 (13.6) 45.9 (13.0) 45.9 (13.8)
LDL-Cholesterol (mg/dL) 108.0 (31.8) 107.2 (30.7) 112.1 (36.8) 107.2 (30.3) 110.5 (36.0)
Systolic Blood Pressure (mmHg) 120.1 (18.0) 118.1 (16.9) 130.6 (20.1) 117.2 (15.8) 129.1 (21.1)
Diastolic Blood Pressure (mmHg) 72.4 (9.3) 71.9 (8.8) 74.9 (11.0) 72.0 (8.7) 73.7 (10.8)
Insulin (mg/dL) 13.1 (9.7) 13.0 (9.7) 13.6 (9.9) 13.0 (9.4) 13.4 (10.5)
Mean Glucose (mg/dL) 116.9 (38.0) 112.6 (33.4) 138.1 (50.6) 111.5 (31.9) 133.5 (49.1)
HOMA_IR 3.5 (2.9) 3.4 (2.8) 4.0 (3.4) 3.3 (2.6) 3.9 (3.7)
Hba1C (%) 5.8 (1.3) 5.7 (1.22) 6.4 (1.5) 5.7 (1.2) 6.3 (1.5)
Healthy Food Index 7.2 (3.6) 7.2 (3.5) 7.4 (3.8) 7.1 (3.6) 7.4 (3.5)
Unhealthy Food Index 4.7 (3.2) 4.7 (3.2) 4.8 (3.2) 4.8 (3.3) 4.4 (2.7)
History of Stroke (n, %) 15 (2.4) 11 (2.1) 4 (4.0) 9 (1.9) 6 (4.0)
History of Heart Attack (n, %) 9 (1.5) 6 (1.2) 3 (3.0) 4 (0.9) 5 (3.3)
History of Angina (n, %) 10 (1.6) 8 (1.6) 2 (2.0) 5 (1.1) 5 (3.3)
  1. Cholesterol through Unhealthy Food Index had sample sizes ranging from 419 to 612