Table 5 Factors associated with inter-facility patient transfer: results of the multi-level logistic regression analyses

 5–14

1.48 (1.37, 1.60)**

0.77 (0.29, 2.02)

1.13 (1.02, 1.26)

2.10 (1.86, 2.38)**

 15–29

2.06 (1.93, 2.19)**

1.44 (0.69, 2.97)

1.49 (1.37, 1.63)**

3.15 (2.85, 3.48)**

 30–44

2.22 (2.10, 2.36)**

1.19 (0.58, 2.40)

1.57 (1.45, 1.70)**

3.52 (3.21, 3.85)**

 45–59

2.41 (2.28, 2.54)**

1.17 (0.58, 2.33)

1.77 (1.65, 1.90)**

3.69 (3.39, 4.01)**

 60–69

2.26 (2.14, 2.40)**

1.12 (0.56, 2.24)

1.64 (1.52, 1.76)**

3.53 (3.24, 3.85)**

 70–79

2.04 (1.92, 2.16)**

1.21 (0.60, 2.43)

1.50 (1.39, 1.62)**

3.08 (2.82, 3.37)**

 80+

1.63 (1.52, 1.75)**

1.47 (0.72, 2.99)

1.17 (1.07, 1.29)**

2.40 (2.15, 2.67)**

Female (vs. male)

0.85 (0.83, 0.87)**

0.79 (0.68, 0.91)*

0.82 (0.79, 0.86)**

0.88 (0.85, 0.91)**

Minority (vs. Han ethnicity)

1.03 (0.95, 1.12)

0.99 (0.47, 2.07)

0.94 (0.83, 1.07)

1.10 (0.99, 1.22)

 Outpatient clinic

0.82 (0.79, 0.86)**

0.93 (0.74, 1.17)

0.81 (0.77, 0.85)**

0.83 (0.78, 0.88)**

 Transferred

3.39 (2.92, 3.93)**

0.71 (0.16, 3.14)

1.36 (1.00, 1.85)*

5.46 (4.63, 6.44)**

 Other type or missing

0.94 (0.85, 1.05)

0.37 (0.19, 0.72)*

0.98 (0.85, 1.12)

0.98 (0.84, 1.14)

 Critical

3.20 (3.03, 3.37)**

4.03 (2.87, 5.68)**

3.26 (3.04, 3.50)**

2.96 (2.74, 3.19)**

 Urgent

1.67 (1.61, 1.74)**

1.27 (1.05, 1.54)

1.55 (1.48, 1.64)**

1.82 (1.71, 1.93)**

 1

1.18 (1.14, 1.22)**

0.98 (0.80, 1.20)

1.12 (1.07, 1.18)**

1.25 (1.19, 1.32)**

 2–4

1.34 (1.29, 1.40)**

1.17 (0.91, 1.50)

1.23 (1.15, 1.30)**

1.45 (1.37, 1.53)**

 5–7

1.18 (1.05, 1.32)*

1.72 (0.88, 3.36)

1.52 (1.24, 1.86)**

1.05 (0.91, 1.22)

 ≥8

1.01 (0.54, 1.88)

1.23 (0.13, 11.2)

2.01 (0.85, 4.70)

0.57 (0.21, 1.56)

Surgical operations (vs. Yes)

1.58 (1.52, 1.64)**

2.38 (1.69, 3.35)**

2.11 (1.97, 2.25)**

1.39 (1.33, 1.46)**

 Infectious/Blood/Endocrine

0.51 (0.47, 0.55)**

0.45 (0.28, 0.73)*

0.43 (0.39, 0.48)**

0.61 (0.55, 0.68)**

 Nervous/Perinatal/Circularly/Fatal accident

0.41 (0.38, 0.44)**

0.37 (0.24, 0.56)**

0.40 (0.36, 0.43)**

0.43 (0.39, 0.48)**

 Neoplasms/Respiratory/Digestive/Congenital/Injury/services

0.35 (0.32, 0.37)**

0.31 (0.21, 0.47)**

0.31 (0.29, 0.34)**

0.38 (0.35, 0.42)**

 Mental/Eye/Ear/Skin/Muscle/Genitourinary/Pregnancy

0.24 (0.22, 0.26)**

0.21 (0.13, 0.32)**

0.23 (0.21, 0.26)**

0.25 (0.23, 0.28)**

 URBMI/NRCMS

1.12 (1.07, 1.16)**

0.98 (0.80, 1.20)

1.10 (1.04, 1.17)**

1.17 (1.11, 1.24)**

 Commercial insurance

0.91 (0.82, 1.02)

1.41 (0.45, 4.37)

0.95 (0.82, 1.10)

0.85 (0.72, 1.01)

 No insurance payment

1.13 (1.07, 1.20)**

1.28 (0.93, 1.75)

1.09 (1.00, 1.19)

1.22 (1.13, 1.31)**

 Other social insurance

0.78 (0.72, 0.84)**

0.70 (0.37, 1.33)

1.55 (1.26, 1.90)**

0.75 (0.69, 0.81)**

 Other

0.96 (0.90, 1.02)

0.91 (0.66, 1.25)

0.96 (0.87, 1.06)

1.03 (0.95, 1.11)

 Secondary

3.55 (2.63, 4.79)**

–

–

–

 Tertiary

2.45 (1.67, 3.59)**

–

–

–

Hospital ownership (vs. public)

–

0.57 (0.27, 1.17)

0.74 (0.48, 1.14)

0.96 (0.05, 15.5)

  Zone two

0.80 (0.47, 1.35)

0.45 (0.26, 0.77)*

1.27 (0.80, 2.02)

1.20 (0.54, 2.66)

  Zone three

1.33 (0.61, 2.92)

0.43 (0.08, 2.28)

2.45 (1.24, 4.87)*

0.49 (0.07, 3.44)

  [0.004, 0.006)

0.69 (0.38, 1.25)

0.38 (0.06, 2.10)

0.70 (0.41, 1.21)

0.27 (0.01, 4.60)

  [0.006, 0.009)

0.64 (0.34, 1.18)

0.39 (0.07, 2.07)

0.71 (0.38, 1.30)

0.26 (0.02, 3.27)

  ≧0.009

0.47 (0.25, 0.89)

0.30 (0.06, 1.55)

0.57 (0.30, 1.09)

0.15 (0.01, 2.26)

  Level 3 region (σ²_v0)‡

0.06 (0.05)

–

–

–

  Level 2 hospital (σ²_u0)

1.72 (0.13)**

2.31 (0.33)**

1.20 (0.137)**

1.88 (0.32)**