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Table 4 Incidence Density of Implanon discontinuation among Strata of Categorical Variables of women who enrolled in family planning units of Public hospitals in Guraghe zone, southern Ethiopia, 2021

From: Survival time to Implanon discontinuation and its predictors among a cohort of Implanon users who enrolled in public hospitals of southern Ethiopia, 2021: a retrospective cohort study

Variable categories

Number of women discontinued (n = 205)

Person time in months (PM)

Incidence Density (per 100 PM)

Age of mother in years

  < 20

12(5.9)

1606

2.42

 20–24

15(7.3)

4434

2.11

 25–29

45(21.9)

3053

1.47

 30–34

94(45.9)

827

2.11

 35+

39(19.0)

1023

2.42

Marital status

 Not in marital relation

23(11.2)

9498

1.91

 In marital union

182(88.8)

1444

1.59

Residence

 Urban

107(52.2)

6603

1.62

 Rural

98(47.8)

4340

2.25

Parity

  ≥ 5(Grand multiparous)

36(17.6)

2586

1.39

 2–4(Multiparous)

88(42.9)

5789

1.52

 1(Primiparous)

57(27.8)

1982

2.87

 0(Nulliparous)

24(11.7)

586

4.09

Contraceptive history

 Repeat

163(73.7)

9676

1.68

 New

42(26.3)

1267

3.30

Types of contraceptives previously used

 Condom

17(9.4)

423

4.01

 IUCD

17(9.4)

596

2.85

 Oral contraceptives

46(25.4)

2564

1.79

 Injectable

71(39.2)

3908

1.81

 Implants

30(16.6)

2109

1.42

Heavy and prolonged vaginal bleeding

 No

101(49.3)

8823

1.14

 Yes

104(50.7)

2120

4.90

Pre-insertion counseling

 Yes

151(73.7)

9681

1.55

 No

54(26.3)

1262

4.27

Had Post-insertion follow up

 Yes

34(16.6)

4892

0.7

 No

171(83.4)

6051

2.8

Having a diagnosed HTN

 No

169(82.4)

9535

1.772

 Yes

36(17.6)

1408

2.55

Previous history of abortion

 No

163(79.5)

8891

1.83

 Yes

42(20.5)

2052

2.04