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Table 4 Results of multivariable logistic regression investigating factors associated with current use of soap and difficulty paying rent, buying food or medicine due to COVID-19 amongst respondents living in randomly selected IDP settlements in Somalia. The independent variable, depressive symptoms, was retained in all models as the variable of interest

From: COVID-19 and its prevention in internally displaced person (IDP) camps in Somalia: impact on livelihood, food security and mental health

Independent variable

Frequency distribution of dependent variable

B

SE

aOR (95% CI)

P-value

Yes, n (%)

No, n (%)

Dependent variable: Currently uses soap a

 Depressive symptoms b

  Low (PHQ-9 < 15)

92 (72.6)

35 (27.4)

  

1

 

  High (PHQ-9 ≥ 15)

224 (48.9)

234 (51.1)

-1.1

0.4

0.3 (0.2, 0.7)

< 0.001

 Earnings in previous week

  1.5 USD or less

29 (17.9)

133 (82.1)

  

1

 

  1.5-5 USD

85 (50.3)

84 (49.7)

1.6

0.3

5.1 (2.8, 9.4)

< 0.001

  5–10 USD

117 (84.2)

22 (15.8)

3.3

0.4

26.1 (12.3, 55.5)

< 0.001

  10 USD or above

71 (83.5)

14 (16.5)

3.5

0.5

31.6 (12.5, 80.1)

< 0.001

 Knowledge that hand washing prevents COVID-19

  No

5 (20.0)

20 (80.0)

3.0

0.8

1

 

  Yes

219 (55.0)

179 (45.0)

  

20.5 (4.1, 103.4)

< 0.001

Dependent variable: Difficulty paying rent due to COVID-19 c

 Depressive symptoms b

  Low (PHQ-9 < 15)

70 (62.8)

41 (37.2)

  

1

 

  High (PHQ-9 ≥ 15)

174 (47.9)

190 (52.1)

-0.4

0.3

0.7 (0.4, 1.2)

0.16

 Earnings in previous week

  1.5 USD or less

18 (13.8)

112 (86.2)

  

1

 

  1.5-5 USD

96 (64.9)

52 (35.1)

2.4

0.3

11.2 (6.1, 20.5)

< 0.001

  5–10 USD

86 (69.9)

37 (30.1)

2.6

0.3

13.7 (7.3, 25.9)

< 0.001

  10 USD or above

41 (59.4)

28 (40.6)

2.2

0.4

8.7 (4.4, 17.5)

< 0.001

Dependent variable: Difficulty buying food due to COVID-19 d

 Depressive symptoms b

  Low (PHQ-9 < 15)

97 (78.3)

27 (21.7)

  

1

 

  High (PHQ-9 ≥ 15)

389 (87.0)

58 (13.0)

0.8

0.3

2.2 (1.1, 4.3)

0.02

 Earnings in previous week

  1.5 USD or less

146 (91.3)

14 (8.8)

  

1

 

  1.5-5 USD

116 (69.0)

52 (31.0)

-1.5

0.3

0.2 (0.1, 0.4)

< 0.001

  5–10 USD

121 (91.7)

11 (8.3)

0.2

0.4

1.2 (0.5, 2.9)

0.63

  10 USD or above

78 (92.9)

6 (7.1)

0.3

0.5

1.4 (0.5, 3.8)

0.51

Dependent variable: Difficulty buying medicine due to COVID-19 e

 Depressive symptoms b

  Low (PHQ-9 < 15)

100 (81.2)

23 (18.8)

  

1

 

  High (PHQ-9 ≥ 15)

350 (82.4)

75 (17.6)

0.0

0.3

1.0 (0.5, 2.0)

0.95

 Education

  No formal schooling

180 (83.3)

36 (16.7)

  

1

 

  Quranic school

134 (73.6)

48 (26.4)

-0.6

0.3

0.5 (0.3, 0.9)

0.02

  Primary

68 (88.3)

9 (11.7)

0.5

0.4

1.7 (0.7, 4.0)

0.22

  Secondary or above

68 (93.2)

5 (6.8)

0.7

0.5

2.0 (0.7, 4.0)

0.18

 Earnings in previous week

  1.5 USD or less

132 (91.0)

13 (9.0)

  

1

 

  1.5-5 USD

103 (66.5)

52 (33.5)

-1.7

0.3

0.2 (0.1, 0.3)

< 0.011

  5–10 USD

116 (86.6)

18 (13.4)

-0.7

0.4

0.5 (0.2, 1.1)

0.09

  10 USD or above

78 (91.8)

7 (8.2)

-0.2

0.5

0.9 (0.3, 2.0)

0.76

  1. SE Standard error, aOR adjusted odds ratio, CI Confidence interval, PHQ-9 Patient Health Questionnaire-9
  2. a Final model based on complete data for n = 398 people. Omnibus test of model coefficients: p < 0.001 for all imputations. Nagelkerke R square ranged between 0.45 and 0.46 for model based on each imputation
  3. b Pooled estimate for multiple imputations, rounded to nearest whole number
  4. c Final model based on complete data for n = 385 people. Omnibus test of model coefficients: p < 0.001 for all imputations. Nagelkerke R square ranged between 0.28 and 0.29 for model based on each imputation
  5. d Final model based on complete data for n = 448 people. Omnibus test of model coefficients: p < 0.001 for all imputations. Nagelkerke R square ranged between 0.14 and 0.17 for model based on each imputation
  6. e Final model based on complete data for n = 426 people. Omnibus test of model coefficients: p < 0.001 for all imputations. Nagelkerke R square 0.16 for models based on all imputations