Table 4 Logistic regression analysis of associations of groups and donor characteristics with donor reactivation among those who were successfully contacted

 Telephone call-1

1.63 (1.34, 1.98)^**

1.33 (1.09, 1.63)^**

1.62 (1.33, 1.97)^**

–

 SMS-2

1.20 (1.00, 1.43)^*

reference

–

1.20 (1.01, 1.43)^*

 Control-3

reference

–

reference

reference

 Male

1.25 (1.07, 1.45)^*

1.28 (1.05, 1.56)^*

1.19 (0.99, 1.44)

1.24 (1.04, 1.48)^*

 Female

reference

Reference

reference

Reference

Age

1.02 (1.01, 1.03)^**

1.01 (1.00, 1.03)^*

1.03 (1.02, 1.04)^**

1.02 (1.10, 1.03)^**

Donation history

1.06 (1.04, 1.08)^**

1.10 (1.06, 1.13)^**

1.05 (1.03, 1.07)^**

1.06 (1.04, 1.08)^**