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Table 2 Association of independent variables with under five mortality (weighted) in Zambia

From: Trends of under-five mortality and associated risk factors in Zambia: a multi survey analysis between 2007 and 2018

Variables

N (%) 29,274

Pooled U5M

X2 -value

P-value

Alive (%)

Dead (%)

27,453

1821

Survey year

   

56.03

< 0.001

 2007

6467 (22.4)

5844 (90.0)

623 (10.0)

  

 2013–14

13,251 (45.3)

12,510 (94.3)

741 (5.7)

  

 2018

9556 (32.4)

9099 (95.1)

457 (4.9)

  

Maternal Factors

Maternal age

   

1.71

0.132

 15–19

2204 (7.4)

2062 (93.6)

142 (6.4)

  

 20–24

7399 (25.2)

6895 (93.2)

504 (6.8)

  

 25–29

7530 (25.7)

7096 (94.2)

434 (5.8)

  

 30–34

5909 (20.1)

5566 (94.2)

343 (5.8)

  

 35–39

3856 (13.6)

3630 (94.1)

226 (5.9)

  

 40–49

2376 (8.0)

2204 (92.7)

172 (7.3)

  

Marital status

   

0.24

0.622

 Not married

2715 (8.4)

2558 (94.2)

157 (5.8)

  

 Married

26,559 (91.6)

24,895 (93.7)

1664 (6.3)

  

Maternal education

   

3.09

0.047

 No education

3372 (11.4)

3138 (93.1)

234 (6.9)

  

 Primary

16,388 (56.1)

15,354 (93.7)

1034 (6.3)

  

 Secondary & higher

9503 (32.5)

8951 (94.2)

552 (5.8)

  

Maternal occupation

   

0.25

0.612

 Not working

11,928 (42.4)

11,176 (93.7)

752 (6.3)

  

 Working

17,121 (57.6)

16,065 (93.8)

1056 (6.2)

  

Wealth index

   

1.35

0.251

 Poorest

7300 (24.5)

6850 (93.8)

450 (6.2)

  

 Poorer

6898 (22.6)

6495 (94.2)

403 (5.8)

  

 Middle

6364 (20.0)

5956 (93.6)

408 (6.4)

  

 Richer

5015 (18.2)

4673 (93.2)

342 (6.8)

  

 Richest

3697 (14.7)

3479 (94.1)

218 (5.9)

  

Place of residence

   

0.68

0.409

 Urban

9815 (33.2)

9160 (93.3)

655 (6.7)

  

 Rural

19,459 (66.8)

18,293 (94.0)

1166 (6.0)

  

ANC

   

576.9

< 0.001

 No ANC visits

9140 (31.1)

8065 (88.2)

1075 (11.8)

  

 Had at least one ANC

20,134 (68.9)

1388 (96.3)

746 (3.7)

  

Timing of the first ANC visit

   

61.8

< 0.001

 Less than 12 weeks

5662 (19.31)

5439 (96.23)

213 (3.77)

  

 Greater than 12 weeks

23,622 (80.69)

22,014 (93.19)

1608 (6.81)

  

Place of delivery

   

10.7

0.001

 Institutional delivery

20,081 (68.6)

18,975 (94.5)

1106 (5.5)

  

 Home delivery

9070 (31.4)

8452 (93.2)

618 (6.8)

  

Child characteristics

Birth type

   

187.1

< 0.001

 Singleton

28,278 (96.7)

26,659 (94.3)

1619 (5.7)

  

 Multiple birth

996 (3.3)

794 (79.7)

202 (20.3)

  

Size of child at birth

   

38

< 0.001

 Average

17,107 (59.79)

16,208 (94.74)

899 (5.26))

  

 Smaller than average

3356 (11.73)

3034 (90.41

322 (9.59)

  

 Larger than average

8149 (28.48)

7720 (94.74)

429 (5.26)

  

Child sex

   

14.5

< 0.001

 Male

14,689 (50.4)

13,693 (93.2)

996 (6.9)

  

 Female

14,585 (49.6)

13,760 (94.3)

825 (5.7)

  

Birth order

   

4.9

0.007

 First

6524 (22.3)

6056 (92.8)

468 (7.2)

  

 Second−fourth

9871 (34.0)

9272)(93.9)

599 (6.1)

  

 Fifth & above

12,879 (43.7)

12,125 (94.1

754 (5.9)

  

Regions

   

4.0

< 0.001

 Central

2719 (9.3)

2575 (94.7)

144 (5.3)

  

 Copperbelt

2648 (9.1)

2494 (94.2)

154 (5.8)

  

 Eastern

3675 (12.6)

3399 (92.5)

276 (7.5)

  

 Luapula

3441 (11.8)

3186 (92.6)

255 (7.4)

  

 Lusaka

2822 (9.6)

2647 (93.8)

175 (6.2)

  

 Northern

3182 (10.9)

2988 (93.9)

194 (9.1)

  

 North-western

2878 (9.8)

2729 (94.8)

149 (5.2)

  

 Southern

3134 (10.7)

2963 (94.5)

171 (5.5)

  

 Western

1872 (6.4)

1787 (95.5)

85 (4.5)

  

 Muchinga

2903 (9.9)

2685 (92.5)

218 (7.5)

  
  1. Muchinga was part of the Northern region in the 2007 survey