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Table 2 Summary of reactivated donors among all participants in the three groups

From: Effective methods for reactivating inactive blood donors: a stratified randomised controlled study

  Telephone group
− 1
SMS group
− 2
Control group
−3
P
1 vs. 2 1 vs. 3 2 vs. 3
Gender
 Male 164 (51.1) 186 (55.2) 158 (54.3) 0.292 0.428 0.822
 Female 157 (48.9) 151 (44.8) 133 (45.7)    
Age, yearsa 36.8 ± 8.0 37.0 ± 8.0 37.3 ± 7.5 0.873 0.203 0.150
Previous donations, na 4.8 ± 6.5 4.5 ± 3.5 4.4 ± 3.1 0.250 0.167 0.597
Type of re-donation
 Whole blood 306 (95.3) 328 (97.3) 282 (96.9) 0.003 0.363 0.388
 Apheresis platelet 15 (4.7) 9 (2.7) 9 (3.1)    
Additional donations, n
 1 291 (90.7) 305 (90.5) 269 (92.4) 0.213 0.318 0.752
 ≥ 2 30 (9.3) 32 (9.5) 22 (7.6)    
  1. Data presented as no. (%), unless otherwise stated. aData presented as mean ± standard deviation