Table 5 Results for the final cox regression hazard model among type 1DM clients Bahir Dar city public referral hospitals, Northwest, Ethiopia, 2021 (n = 385)

Insulin dose at initiation of Rx

0.982 (0.969–0.993)^a

1.053 (1.029–1.078)

<  0.001^b

Weight of the client

0.978 (0.965–0.992)^a

0.964 (0.939–0.989)

0.005^b

 <=5®

 > 5–10

0.802 (0.587–1.097)

0.926 (0.619–1.384)

0.707

 > 10–14

0.599 (0.448–0.801)^a

0.324 (0.192–0.546)

< 0.001^b

 Male®

 Female

1.116 (0.879–1.416)

 Urban®

 Rural

1.010 (0.790–1.292)

 Mother and Father

0.848 (0.617–1.165)

2.092 (1.397–3.132)

< 0.001^b

 Father alone

0.824 (0.493–1.378)

1.171 (0.631–2.171)

0.617

 Other

0.685 (0.475–0.988)^a

0.801 (0.491–1.305)

0.372

 Primary school

0.746 (0.527–1.057)

0.868 (0.574–1.314)

0.505

 High school

0.684 (0.471–0.992)^a

1.333(0.745–2.386)

0.333

 Lent& regular®

 NPH& regular

0.840 (0.631–1.118)^a

0.757 (.538–1.066)

0.111

 NPH alone

0.704 (0.511–0.970)^a

1.305 (0.856–1.990)

0.216

 NO®

 Yes

4.173(2.332–7.468)^a

2.433(1.124–5.263)

0.024^b

 < 3®

 > = 3

1.904 (1.409–2.574)^a

1.259 (0.887–1.788)

0.198

 NO®

 Yes

2.574 (1.991–3.326)^a

1.178 (0.841–1.649)

0.341

 NO®

 Yes

0.334 (0.248–0.451)^a

1.222 (.805–1.853)

0.346

 NO®

 Yes

6.522 (4.901–8.679)^a

9.723(6.094–15.513)

< 0.001^b

 < 2®

 [2–4)

0.559 (0.401–0.781)

0.736 (0.509–1.063)

0.102

 > = 4

0.486 (0.356–0.664)^a

0.642 (0.436–0.944)

0.024^b

 NO®

 Yes

1.591 (1.031–2.457)^a

1.084 (.653–1.799)

0.755

 NO®

 Yes

0.746 (0.456–1.221)

 NO®

 Yes

0.627 (0.484–0.811)^a

0.722 (0.530–0.981)

0.038^b