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Table 2 Incidence of Implant uptake by correct implant knowledge and covariates

From: Association between contraceptive implant knowledge and intent with implant uptake among postpartum Malawian women: a prospective cohort study

 

Implant Uptake Events (n)

Person-years

Incidence Rate (per 100 person-years)

95 % CI of IR

Overall

133

373.5

35.6

(30.0, 42.2)

Implant Knowledge

    

 Correct

105

268.3

39.1

(32.3, 47.4)

 Incorrect

23

95.7

24.0

(16.0, 36.2)

Age categories

    

 18–24

63

165.5

38.1

(29.7, 48.7)

 25–34

60

174.6

34.4

(26.7, 44.3)

 ≥35

10

33.4

30.0

(16.1, 55.7)

Relationship status

    

 Married

129

348.6

37.0

(31.1, 44.0)

 Unmarried

4

24.9

16.1

(6.0, 42.8)

Education

    

 None or some primary

29

95.7

30.3

(21.1, 43.6)

 Primary/some secondary

62

162.0

38.3

(29.8, 49.1)

 Secondary and beyond

42

115.9

36.2

(26.8, 49.1)

Trouble with food, clothing, or medications

    

 Yes

69

194.8

35.4

(28.0, 44.8)

 No

63

177.8

35.4

(27.7, 45.4)

Living children

    

 1

47

144.2

32.6

(24.5, 43.4)

 2–3

67

160.6

41.7

(32.8, 53.0)

 ≥4

19

68.7

27.7

(17.6, 43.4)

Desire any more children

    

 Yes

82

233.9

35.1

(28.2, 43.5)

 No

47

130.3

36.1

(27.1, 48.0)

 Don’t know

3

8.0

37.4

(12.0, 115.8)

Most recent pregnancy intention

    

 Intended

85

224.8

37.8

(30.6, 46.8)

 Unintended

48

148.4

32.3

(24.4, 42.9)

 Don’t know

0

-

-

-

HIV status

    

 Infected

38

121.4

31.3

(22.8, 43.0)

 Uninfected

95

252.1

37.7

(30.8, 46.1)

Intent to use Implant

    

 Yes

103

241.2

42.7

(35.2, 51.8)

 No

30

132.3

22.7

(15.9, 32.4)

Have friend using the implant

    

 Yes

105

287.8

36.5

(30.1, 44.2)

 No

26

79.1

32.8

(22.4, 48.3)

Both correct knowledge about implant and intent to use implant

    

 Yes

86

192.1

44.8

(36.2, 55.3)

 No

47

181.4

25.9

(19.5, 34.5)