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Table 4 Risk factors for external deaths among adults

From: Patterns and risk factors for deaths from external causes in rural Malawi over 10 years: a prospective population-based study

Variable

Adult males (≥15 years)

Adult females (≥15 years)

Cases (%)

Control (%)

Odds ratioa

P-valueb

Cases (%)

Control (%)

Odds ratio

P-value

(n = 77)

(n = 1584)

(95 % CI)

 

(n = 19)

(n = 342)

(95 % CI)

Main household income

        

 Farming

30 (39.0)

676 (42.7)

Reference

 

7 (36.8)

149 (43.5)

Reference

 

 Fishing

11 (14.3)

100 (6.3)

2.45 (1.17–5.14)

0.02

1 (5.3)

29 (8.5)

0.74 (0.08–6.55)

0.08

 Business/other

31 (40.3)

637 (4.2)

1.12 (0.66–1.88)

0.68

8 (42.1)

138 (40.4)

1.20 (0.41–3.51)

 

 Missing

5 (6.5)

171 (10.8)

  

3 (15.8)

26 (7.6)

  

Occupation

        

 Farmer

46 (59.7)

993 (62.7)

Reference

 

9 (47.4)

255 (74.6)

Reference

 

 Fisherman

11 (14.3)

92 (5.8)

2.92 (1.42–5.98)

0.003

    

 Other

17 (22.1)

411 (26.0)

0.81 (0.44–1.52)

0.52

8 (42.1)

63 (18.4)

4.04 (1.22–13.4)

0.02

 Missing

3 (3.9)

88 (5.6)

  

2 (10.5)

24 (7.0)

  

Dwelling construction

        

 Best

13 (16.9)

340 (21.5)

0.73 (0.36–1.46)

0.37

6 (31.6)

77 (22.5)

Reference

 

 2

13 (16.9)

223 (14.1)

1.10 (0.53–2.27)

0.80

2 (10.5)

59 (17.3)

0.48 (0.09–2.51)

0.39

 3

23 (29.9)

466 (29.4)

Reference

 

4 (21.1)

106 (31.0)

0.59 (0.16–2.17)

0.43

 Worst

21 (27.3)

379 (23.9)

1.08 (0.58–2.00)

0.81

5 (26.3)

71 (20.8)

0.56 (0.26–3.96)

0.84

 Missing

7 (9.1)

176 (11.1)

  

2 (10.5)

29 (8.4)

  

Not having enough food

        

 No

28 (36.4)

792 (50.0)

Reference

 

6 (31.6)

165 (48.3)

Reference

 

 Yes

14 (18.2)

259 (16.4)

1.46 (0.75–2.86)

0.26

3 (15.8)

54 (15.8)

1.93 (0.44–8.48)

0.87

 Missing

35 (45.5)

533 (33.6)

  

10 (52.6)

123 (36.0)

  

Individual’s level of schooling

        

 None/primaryc

47 (61.0))

924 (58.3)

Reference

 

16 (84.2)

275 (80.4)

Reference

 

 Secondary

29 (37.7)

632 (39.9)

0.91 (0.55–1.49)

0.70

3 (15.8)

60 (17.5)

0.98 (0.25–3.96)

0.87

 Missing

1 (1.3)

28 (1.8)

  

0

7 (2.1)

  

HIV status

        

 Negative

26 (33.8)

995 (62.8)

Reference

 

6 (31.6)

228 (66.7)

  

 Positive

5 (6.5)

89 (5.6)

2.05 (0.72–5.79)

0.18

0

20 (5.8)

  

 Missing

46 (59.7)

500 (31.6)

  

13 (68.4)

94 (27.5)

  
  1. aOdds ratio with 95 % confidence interval controlled for age, sex and time period (by matching and conditional logistic regression)
  2. bP-value: result of Wald test of association of each category
  3. cThere were few cases with no schooling hence combined with primary education group