Table 3 Bivariate and multivariate analysis for adherence to antiretroviral therapy among HIV positive adults attending care and treatment in University of Gondar Referral Hospital, Northwest Ethiopia, 2015 (n = 440)

 Male

1

 Female

1.22(0.68,2.18)

 18–28

1.11(0.35,3.50)

 29–38

1.1.68(0.59,4.84)

 39–48

1.28(0.43,3.85)

  > = 49

1

 Single

0.76(0.31,1.91)

 Married

1.57(0.71,3.48)

 Divorced

1.50(0.54,4.20)

 Widowed

1

 No formal education

1.17(0.34,4.02)

 Primary school

1.01(0.29,3.58)

 Secondary school

0.62(0.21,1.88)

 College/University

1

 Government employee

3.75(0.97,10.24)

 Private employee

5.31(0.89,16.64)

 Housewife

4.03(0.87,10.99)

 Merchant

2.34(0.93,5.89)

 Farmer

1.71(0.55,5.25)

 Daily laborer

4.55(0.92,22.56)

 Others

1

 Urban

6.21(3.28,11.75)^a

6.99(2.30,21.26) ^b

 Rural

1

1

  < 1000

0.28(0.12,0.64)^a

0.42(0.12,1.52)

 1000–2000

0.83(0.32, 2.14)

0.95(0.24,3.69)

 2001–3000

0.87(0.30,2.51)

1.09(0.27,4.41)

  > 3000

1

1

 Yes

0.13(0.07, 0.24)^a

0.13(0.05, 0.33)^b

 No

1

1

 Knowledgeable

6.56(3.46,12.45)^a

7.54(2.69,21.15)^b

 Not Knowledgeable

1

1

 Yes

0.33(0.16,0.68)^a

0.57(0.64,4.96)

 No

1

1

 Negative

0.57(0.19,1.66)

0.91 (0.21, 4.01)

 Positive

1

1

 Yes

0.4(0.19,0.85)^a

0.83(0.18,3.88)

 No

1

1

 Yes

4.62(2.02,10.60)^a

3.65(1.06,12.61)^b

 No

1

1

  < 500 mm³

1

1

  > =500 mm³

2.13(1.1,4.11)^a

3.91(1.19,12.81)^b

 1

1.81(0.77,4.25)

1.01(0.21,4.73)

  > 1

1

1

  < 1 year

0.45(0.20,1.02

2.9(0.47,17.97)

 1–4 years

0.35(0.14,0.87)^a

0.76(0.19,3.14)

  > 4 years

1

1

  < 1 year

0.67(0.07,6.64)

 1–5 year

1.43(0.16,12.52)

 5–10 year

1.26(0.15,10.86)

  > 10 years

1