Table 3 Odds Ratio (95% confidence interval) of socio-demographic and clinical predictors with the presence of complications and poor glycemic control

  ≤ 49

Ref group

Ref group

Ref group

Ref group

Ref group

Ref group

 50–59

0.62 (0.39–0.98)

0.57 (0.35–0.94)

0.49 (0.28–0.86)

1.63 (1.10–2.42)

1.53 (1.00–2.33)

1.13 (0.67–1.90)

  ≥ 60

0.72 (0.44–1.15)

0.51 (0.30–0.87)

0.44 (0.24–0.80)

2.23 (1.48– 3.37)

2.24 (1.41–3.54)

1.74 (1.00–3.02)

  P value

0.119

0.039

0.020

0.001

0.003

0.076

 Male

Ref group

Ref group

Ref group

Ref group

Ref group

Ref group

 Female

0.93 (0.65– 1.34)

1.25 (0.82–1.92)

0.73 (0.45–1.18)

1.52 (1.09–2.11)

1.57 (1.08–2.28)

1.15 (0.73 –1.82)

  P value

0.699

0.304

0.198

0.013

0.019

0.560

 Illiterate

1.32 (0.85 –2.04)

1.07 (0.63 –1.82)

1.20 (0.67 –2.17)

1.79 (1.22 –2.63)

1.39 (0.88–2.20)

1.96 (1.12–3.45)

 Primary school

0.68 (0.44 – 1.06)

0.64 (0.39– 1.03)

0.75 (0.44–1.26)

1.60 (1.07 –2.40)

1.58 (1.03–2.42)

1.91 (1.14 –3.20)

 Secondary school & higher

Ref group

Ref group

Ref group

Ref group

Ref group

Ref group

  P value

0.003

0.037

0.152

0.01

0.114

0.027

 Low <1000,000 Tomans

2.72 (1.90–3.89)

2.56 (1.75–3.76)

2.56 (1.68–3.90)

1.05 (0.75–1.46)

1.01 (0.76–1.44)

1.04 (0.68–1.60)

 Acceptable

Ref group

Ref group

Ref group

Ref group

Ref group

Ref group

  P value

<0.001

<0.001

<0.001

0.775

0.976

0.860

  ≤ 3 years

Ref group

Ref group

Ref group

Ref group

Ref group

Ref group

 4–7

0.68 (0.41–1.13)

0.65 (0.37–1.13)

0.88 (0.48–1.63)

1.91 (1.17–3.13)

1.99 (1.16–3.42)

2.98 (1.54–5.76)

  > 7 years

1.34 (0.85–2.10)

1.49 (0.91–2.45)

1.55 (0.90–2.65)

4.23 (2.75–6.51)

4.55 (2.82–7.33)

7.25 (4.00–13.12)

  P value

0.004

0.001

0.043

<0.001

<0.001

<0.001

  < 25

Ref group

Ref group

Ref group

Ref group

Ref group

Ref group

 25–29.9

1.30 (0.80–2.11)

1.28 (0.75–2.16)

1.92 (0.85–4.36)

1.19 (0.77–1.84)

1.20 (0.75–1.90)

1.42 (0.83–2.42)

  ≥ 30

0.96 (0.59–1.54)

089 (0.52–1.52)

1.05 (0.45–2.45)

1.60 (1.04–2.47)

1.42 (0.89–2.27)

1.66 (0.97–2.84)

  P value

0.274

0.246

0.118

0.067

0.326

0.181

Desirable

Ref group

Ref group

Ref group

Ref group

Ref group

Ref group

  ≥ 240

5.90 (2/07 –16.84)

5.95 (1.76–20.14)

4.54 (1.29 –15.94)

0.84 (0.45–1/56)

0.93 (0.45–1.90)

1.30 (0.52–3.22)

  P value

0.001

0.004

0.018

0.573

0.840

0.887

Controlled

Ref group

Ref group

Ref group

Ref group

Ref group

Ref group

 Uncontrolled

1.71 (1.22–2.40)

1.57 (1.09–2.26)

1.49 (1.00–2.22)

0.99 (0.73–1.35)

1.02 (0.73–1.41)

0.83 (0.56–1.23)

  P value

0.002

0.016

0.052

0.963

0.929

0.354