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Table 5 Factor associated with non-adherence among respondents

From: Adherence to methadone maintenance treatment and associated factors among patients in Vietnamese mountainside areas

Characteristics

Missing dose in the last 4 days

Missing dose at last weekend

Adherence (VAS)

Optimal adherence (MoH standard)

 

OR

95% CI

OR

95% CI

Coef.

95% CI

OR

95% CI

Age

    

0.44**

0.08; 0.79

1.03

0.99; 1.09

Education (vs < High school)

 • High school

3.81**

1.04; 13.94

      

 • >High school

    

10.79

−3.26; 24.85

  

Employment (vs. Unemployment)

 • Self-employed

0.28**

0.08; 0.97

      

 • Worker/Farmer

      

0.11**

0.02; 0.67

 • Other

      

0.24*

0.05; 1.24

HIV status (vs. Negative)

        

 • Positive

0.20*

0.04; 1.09

0.04

0.00; 2.47

8.26

−4.35; 20.86

  

Income quintile (vs. poorest)

 • Poor

5.56**

1.09; 28.35

2.70

0.65; 11.25

  

0.40*

0.15; 1.04

 • Middle

      

0.33**

0.13; 0.88

 • Rich

2.99

0.61; 14.76

      

 • Richest

4.14*

0.82; 20.91

    

0.51

0.19; 1.38

Location (Son Duong vs. Tuyen Quang)

      

0.51

0.21; 1.22

Number of drug rehabilitation (vs. None)

 • 1 time

0.10***

0.02; 0.52

    

3.97**

1.23; 12.83

 • 2 times

      

3.03*

0.86; 10.61

 • > 2 times

0.33*

0.10; 1.15

0.14*

0.01; 1.38

  

2.84*

0.89; 9.12

Having problem in self-care (Yes vs No)

0.03**

0.00; 0.94

2.12

0.25; 18.28

    

Having problem in usual activities (Yes vs. No)

    

7.41

−0.02; 14.84

3.74**

1.16; 12.07

Pain/Discomfort (Yes vs No)

0.11*

0.01; 1.53

6.48**

1.43; 29.42

  

0.26

0.05; 1.41

Anxiety/Depression

      

0.27

0.05; 1.35

EQ index

0.01**

0.00; 0.60

    

0.02**

0.00; 0.88

EQ VAS

    

0.22**

0.03; 0.42

  

MMT duration (months)

1.00

0.94; 1.07

0.95

0.87; 1.04

−0.32**

−0.62; −0.01

0.97

0.93; 1.01

Adherence supporting measures

 • Mobile phone (Yes vs No)

0.09**

0.01; 0.96

    

0.37*

0.14; 1.02

 • Reminded by family member (Yes vs. No)

    

13.02***

6.65; 19.39

2.75**

1.24; 6.08

ARV treatment (Yes vs. No)

  

0.08

0.00; 3.06

9.31

−3.55; 22.16

  

Current smoking (Yes vs No)

0.38

0.12; 1.27

0.16**

0.03; 0.79

    

Current drug use (Yes vs. No)

    

−5.77

−13.13; 1.58

  
  1. *** p < 0.01, ** p < 0.05, * p < 0.1