Table 4 Predictor readmission to hospital among T2D patients in governmental hospitals of Harari regional state of Ethiopia (2013–2017) (n = 135)

Duration of T2D (year)

1.09 (1.04, 1.15) **

1.14 (1.05, 1.85) **

Smoking status

Non smoke

1

1

smoker

1.16 (0.82, 1.63)

1.12 (0.51, 2.50)

Alcohol consumption

No

1

1

Yes

1.06 (0.81, 1.40)

0.83 (0.43, 1.62)

Life style

Active

1

1

Inactive

1.18 (1.02, 1.35) *

1.71 (1.50, 2.02) *

Sex

Male

1

1

Female

1.29 (0.93, 1.79)

1.26 (1.13, 1.78) **

BMI

< 25 kg/m²

1

1

25–29.9 kg/m²

1.40 (0.52, 3.766)

1.45 (0.53, 3.965)

≥30 kg/m²

1.92 (0.90, 4.13)

2.30 (1.07, 4.96) *

Blood glucose level

70–130 mg/dl

0.45 (0.37, 0.55) **

1.02 (1.01, 1.04) **

Treatment

Metformin

1

1

Combination ^a

0.45 (0.31, 0.64)

0.54 (0.37, 0.79) *