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Table 7 Best bicycle-difference scenario mixed-effects models for each health unit level. Beta coefficient estimate (Estimate), Standard Error (SE), Confidence Interval (CI), t-statistic (t), and p-value (p) reported for each fixed effect. Variance (σ2), between subject variance (τ00), and interclass correlation coefficient (ICC) reported for random effects of each model. Mean Average Error (MAE) and Root Mean Square Error (RMSE) reported as prediction accuracy assessments for each model

From: Exploring country-wide equitable government health care facility access in Uganda

 

Health Center II

Health Center III

Estimate

SE

CI

t

p

Estimate

SE

CI

t

p

(Intercept)

−55.42

3.35

−61.99 –−48.86

−16.54

< 0.001

−40.55

2.64

−45.72 –−35.38

−15.38

< 0.001

Poverty

− 101.74

5.83

− 113.17 –−90.31

−17.44

< 0.001

−84.59

4.54

−93.48 –−75.69

−18.64

< 0.001

Population Density

95.74

5.89

84.19–107.30

16.24

< 0.001

91.61

4.59

82.62–100.60

19.97

< 0.001

Interaction

188.73

26.81

136.18–241.29

7.04

< 0.001

221.43

20.86

180.54–262.32

10.61

< 0.001

Random Effects

σ2

1118.22

676.78

τ00

119.50 SubRegion

74.02 SubRegion

ICC

0.1

0.1

MAE

24.88

19.65

RMSE

34.22

26.21

R2

0.24

0.30

 

Health Center IV

General Hospital

 

Estimate

SE

CI

t

p

Estimate

SE

CI

t

p

(Intercept)

−91.24

3.84

−98.76 – −83.71

−23.76

< 0.001

− 174.03

9.37

− 192.39 –− 155.67

−18.58

< 0.001

Poverty

− 123.33

8.06

− 139.12 –−107.54

−15.31

< 0.001

− 228.60

15.24

− 258.47 –− 198.73

− 15.00

< 0.001

Population Density

151.75

8.00

136.08–167.43

18.97

< 0.001

194.28

15.40

164.09–224.47

12.61

< 0.001

Interaction

     

−330.01

70.03

− 467.27 –−192.75

−4.71

< 0.001

Random Effects

σ2

2153.57

7620.12

τ00

155.30 SubRegion

938.09 SubRegion

ICC

0.07

0.11

MAE

36.64

66.81

RMSE

46.68

86.18

R2

0.28

0.21

 

Regional Referral Hospital

National Referral Hospital

 

Estimate

SE

CI

t

p

Estimate

SE

CI

t

p

(Intercept)

− 354.7

15.21

− 384.52 – − 324.89

−23.32

< 0.001

− 1427.98

163.75

− 1748.93 –− 1107.04

−8.72

< 0.001

Poverty

     

− 341.30

42.98

−425.53 –− 257.07

−7.94

< 0.001

Population Density

706.79

25.92

655.98–757.59

27.27

< 0.001

326.25

43.40

241.19–411.31

7.52

< 0.001

Interaction

     

− 1360.50

196.74

− 1746.12 –− 974.89

−6.92

< 0.001

Random Effects

σ2

25,098.17

59,736.23

τ00

2464.05 SubRegion

294,736.58 SubRegion

ICC

0.09

0.83

MAE

119.80

202.78

RMSE

155.26

253.47

R2

0.28

0.85