Table 3: Univariate and multivariate analysis of the factors associated with deferral.

 

Univariate analysis

Multivariate analysis

Variable

Category

cOR

95% CI

P - value

aOR

95% CI

P - value

Age (years)

> 45

3.95

1.32 - 11.84

0.014

10.76

1.87 - 62.05

0.008

 

35-45

1.9

0.67 - 5.40

0.230

2.55

0.59 - 11.12

0.212

< 35

Ref

Sex

Female Male

7.48

2.59 - 21.64

< 0.001

8.52

1.97 -36.77

0.004

Ref

Residence

Ilala

2.63

0.30 - 23.50

0.386

1.17

0.11 - 12.49

0.898

 

Temeke

1.06

0.11 - 10.43

0.961

0.50

0.04 - 5.98

0.585

 

Ubungo

0.24

0.01 - 4.41

0.337

0.09

0.01 - 2.13

0.135

 

Kinondoni

0.25

0.01 - 4.60

0.351

0.09

0.01 - 2.01

0.127

 

Outside Dar Kigamboni

1.09

0.08 - 14.66

0.948

0.81

0.05 - 13.48

0.886

Ref

Marital status

Married Not married

3.33

1.10 - 10.11

0.034

1.54

0.36 - 6.55

0.555

Ref

Inter-donation time (months)

≥ 5

2.9

1.20 - 6.98

0.018

2.97

1.04 -8.51

0.042

< 5

Ref

Key: cOR: crude Odds Ratio; aOR: adjusted Odds Ratio; Ref: Reference group