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Table 1 Baseline characteristics and unadjusted associations with educational level

From: Nurse-led, telephone-based secondary preventive follow-up benefits stroke/TIA patients with low education: a randomized controlled trial sub-study

  All Education level P value*
High Low
N (%) 771 383 (49.7) 388 (50.3)  
Age, mean (SD) 70.7 (10.6) 67.1 (10.9) 74.3 (9.2) <0.001
Female, N (%) 317 (41.1) 151 (39.4) 166 (42.8) 0.343
Treatment group
 Intervention, N (%) 383 (49.7) 197 (51.4) 186 (47.9) 0.331
 Control, N (%) 388 (50.3) 186 (48.6) 202 (52.1)  
Qualifying event
 TIA, N (%) 301 (39.0) 165 (43.1) 136 (35.1) 0.022
 Stroke, N (%) 470 (61.0) 218 (56.9) 252 (64.9)  
mRS score >2, N (%) 88 (11.4) 34 (8.9) 54 (13.9) 0.028
Current smoker, N (%) 106 (13.7) 53 (13.8) 53 (13.7) 0.943
BMI, mean (SD) 27.0 (4.5) 26.7 (4.3) 27.3 (4.6) 0.045
AF, N (%) 129 (16.7) 63 (16.4) 66 (17.0) 0.835
IHD, N (%) 88 (11.4) 25 (6.5) 63 (16.2) <0.001
Previous stroke, N (%)§ 95 (12.3) 31 (8.1) 64 (16.5) <0.001
Diabetes, N (%) 128 (16.6) 47 (12.3) 81 (20.9) 0.001
CHF, N (%) 28 (3.6) 8 (2.1) 20 (5.2) 0.023
PAD, N (%) 22 (2.9) 10 (2.6) 12 (3.1) 0.688
Hypertension, N (%) 458 (59.4) 200 (52.2) 258 (66.5) <0.001
Antihypertensives, N (%)| | 585 (76.2) 269 (70.6) 316 (81.7) <0.001
 1 215 (36.8) 108 (40.1) 107 (33.9)  
 2 205 (35.0) 80 (29.7) 125 (39.6)  
 ≥3 165 (28.2) 81 (30.1) 84 (26.6)  
Lipid-lowering agent, N (%)| | 605 (78.8) 301 (79.0) 304 (78.6) 0.879
 Simvastatin 487 (80.5) 248 (82.4) 239 (78.6)  
 Atorvastatin 109 (18.0) 49 (16.3) 60 (19.7)  
 Other 9 (1.5) 4 (1.3) 5 (1.6)  
Antiplatelet drug, N (%)| | 619 (80.6) 308 (80.8) 311 (80.4) 0.867
Warfarin, N (%)| | 116 (15.1) 54 (14.2) 62 (16.0) 0.475
  1. Abbreviations: AF atrial fibrillation, BMI body mass index, CHF congestive heart failure, IHD ischemic heart disease, mRS modified Rankin Scale, PAD peripheral artery disease, SD standard deviation, TIA transient ischemic attack
  2. *High versus low
  3. Intracerebral hemorrhage accounted for 14 (6.2%) and 9 (3.6%) of the qualifying stroke events in the highly educated and low-educated groups, respectively. The remaining qualifying stroke events were ischemic.
  4. One missing value in the high-education group
  5. §Prior to the qualifying event
  6. | |One month after hospital discharge. Two and one missing values from the high- and low-education groups, respectively