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Table 4 Predictors of pre-diagnosis cost among TB cases on treatment in districts of southwestern Ethiopia January to December 2015

From: Pre- and post-diagnosis costs of tuberculosis to patients on Directly Observed Treatment Short course in districts of southwestern Ethiopia: a longitudinal study

Variable

Mean(SD) (US$)

Unadjusted exp.acoefficient (95% CI)

P value

Adjusted exp.bcoefficient (95% CI)

P value

Gender

Male

112.62(0.12)

Ref.

 

Ref.

 
 

Female

101.25(0.11)

0.90(0.79, 1.02)

0.1

0.94(0.86, 1.03)

0.20

HIV result

Positive

131.2(0.13)

1.24(0.98, 1.55)

0.07

1.16(0.99, 1.36)

0.06

 

Negative

106.02(0.11)

Ref.

 

Ref.

 

Mode of diagnosis

Bacteriological

97.00(0.11)

Ref.

 

Ref.

 
 

Clinical

121.08(0.12)

1.25(1.10, 1.42)

0.001

1.08(0.99, 1.18)

0.09

Residence

Urban

114.61(0.12)

Ref.

 

Ref.

 
 

Rural

102.13(0.1)

0.89(0.78, 1.01)

0.07

  

Patient delayc(days)

1.006(1.005, 1.006)

< 0.001

1.005(1.004, 1.01)

< 0.001*

Provider delayc(days)

1.006(1.005, 1.01)

< 0.001

1.005(1.004, 1.01)

< 0.001*

Action before HCF visit

None

106.72(0.12)

Ref.

 

Ref.

 
 

Took actiond

113.41(0.11)

1.23(1.07, 1.41)

0.03

1.15(1.03, 1.28)

0.01

First visited HCF

DOTS center

99.97(0.11)

Ref.

 

Ref.

 
 

Non-DOTS center

122.57(0.11)

1.23(1.07, 1.40)

0.002

1.01(0.91, 1.11)

0.8

TB diagnosed HCF

Public

101.78(0.11)

Ref.

 

Ref.

 
 

Private

153.88(0.13)

1.5(1.26, 1.81)

< 0.001

1.18(1.03, 1.34)

0.02*

Number of HCF visited until diagnosisb

1.40(1.34, 1.47)

< 0.001

1.18(1.13, 1.23)

< 0.001*

  1. *Statistically significant at p < 0.05
  2. aExponent to the power of 10
  3. bAdjusted for all the variables listed in the table
  4. cVariable treated as continuous
  5. dSelf-treatment, used holy water, consult traditional healer