Interpregnancy Interval (Months)

P value

<24 (S)

(n = 170)

24 - 59 (I) (n = 384)

60+ (L)

(n = 121)

S/I

S/L

I/L

Age

<19

3 (1.8)

2 (0.5)

0 (0.0)

Ref

Ref

Ref

19 - 34

151 (88.8)

362 (94.3)

103 (85.1)

0.15

0.27

1.00

>34

16 (9.4)

20 (5.2)

18 (14.9)

0.64

0.22

0.49

Marital

Married

160 (94.70)

362 (94.3)

114 (94.2)

0.86

0.86

0.98

Single

9 (5.3)

22 (5.7)

7 (5.8)

Ref

Ref

Ref

Missing

1

0

0

Education

None

7 (4.1)

11 (2.9)

3 (2.5)

Ref

Ref

Ref

Primary

65 (38.5)

250 (65.1)

65 (53.7)

0.06

0.22

0.07

Secondary

76 (45.0)

116 (30.2)

50 (41.3)

0.95

0.54

0.49

Tertiary

21 (12.4)

7 (1.8)

3 (2.5)

0.01

0.22

0.63

Unknown

1

0

0

Parity

1 to 3

154 (90.6)

379 (98.7)

119 (98.3)

<0.01

<0.01

0.77

4+

16 (9.4)

5 (1.3)

2 (1.7)

Ref

Ref

Ref

Prev. CS

Live

121 (85.8)

78 (96.3)

Ref

Ref

Ref

Still

20 (14.2)

13 (5.2)

3 (3.7)

<0.01

0.01

0.58

Unknown

29

133

40

Type of CS

Elective

16 (9.5)

11 (9.1)

Ref

Ref

Ref

Emergency

152 (90.5)

354 (92.2)

110 (90.9)

0.50

0.90

0.65

Unknown

2

0

0

ANC visits

Yes

163 (97.0)

374 (97.7)

116 (95.9)

0.66

0.59

0.29

No

5 (3.0)

9 (2.3)

5 (4.1)

Ref

Ref

Ref

Unknown

2

1

0

ANC visits

Less than 4

45 (28.8)

68 (18.2)

22 (19.8)

<0.01

0.09

0.70

4 or more

111 (71.2)

305 (81.8)

89 (80.2)

Ref

Ref

Ref

Missing

14

11

10

Gestation (first ANC)

1st Trimester

85 (57.4)

317 (85.2)

91 (82.0)

Ref

Ref

Ref

After First

63 (42.6)

55 (14.8)

20 (18.0)

<0.01

<0.01

0.40

Unknown

22

12

10