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Table 3 Sociodemographic and supply characteristics associated with expressed and revealed preference for proximity

From: Choice in maternity care: associations with unit supply, geographic accessibility and user characteristics

Population Reason for choice is proximity (NPS1) Closest unit was chosen (VS2) Closest unit was chosen (NPS)
Level 2    
Constant (std err) −0.75 (0.11) −0.53 (0.05) −0.45 (0.13)
Distance to closest maternity unit (km)    
<5 1 1 1
5-14 0.87 (0.75-1.00) 0.95 (0.87-1.04) 0.92 (0.76-1.10)
15-29 0.68 (0.55-0.83) 0.73 (0.66-0.81) 0.62 (0.48-0.80)
30+ 0.62 (0.46-0.82) 0.54 (0.49-0.60) 0.47 (0.34-0.66)
Distance between 1st and 2nd closest maternity unit (km)    
0 0.72 (0.63-0.83) 8.74 (8.30- 9.20)3 8.38 (7.07-9.93)3
1-4 1 1 1
5-14 1.61 (1.38-1.87) 1.63 (1.55-1.72) 1.67 (1.39-2.00)
15-29 2.70 (2.23-3.26) 3.87 (3.65-4.10) 3.29 (2.63-4.12)
30+ 4.62 (3.63-5.89) 7.46 (6.91-8.06) 7.78 (5.67-10.67)
Units in a 15 km radius    
<4 1 1 1
4+ 1.03 (0.88-1.19) 0.35 (0.32-0.40) 0.44 (0.36-0.53)
Urban/rural    
Urban 1   1
Peri-urban 1.06 (0.90-1.24) 0.91 (0.85-0.96) 1.05 (0.87-1.28)
Rural 1.46 (1.18-1.81) 0.85 (0.79-0.91) 0.96 (0.75-1.22)
Level 1    
Maternal age    
<25 1.28 (1.12-1.47) 1.08 (1.06-1.10) 1.17 (1.00.1.37)
25-29 1 1 1
30-34 0.94 (0.84-1.06) 0.97 (0.96-0.98) 1.00 (0.89-1.14)
35+ 0.86 (0.74-1.01) 0.93 (0.91-0.95) 0.94 (0.80.1-12)
Parity    
0 1 1 1
1 0.89 (0.80-0.98) 1.07 (1.06.1.09) 0.99 (0.88-1.12)
2 0.89 (0.77-1.04) 1.11 (1.10-1.14) 1.14 (0.97-1.34)
3+ 0.90 (0.74-1.10) 1.18 (1.15-1.22) 1.17 (0.93-1.48)
Household socioeconomic status    
Professional/managerial 1 1 1
Intermediate 1.06 (0.91-1.22) 1.10 (1.10-1.12) 1.23 (1.05-1.45)
Administrative, self-employed 1.20 (1.04-1.38) 1.22 (1.20-1.25) 1.35 (1.16-1.57)
Shop assistant, service workers 1.09 (0.92-1.29) 1.38 (1.35-1.41) 1.39 (1.15-1.68)
Skilled manual 1.33 (1.10-1.62) 1.45 (1.42-1.49) 1.82 (1.45-.2.28)
Unskilled manual 1.27 (0.97-1.66) 1.60 (1.56.1.64) 2.38 (1.71-3.31)
No occupation 1.39 (1.00-1.94) 1.30 (1.28-1.33) 1.56 (1.03-2.36)
  1. 1NPS: National Perinatal Survey.
  2. 2VS: Vital Statistics Registry.
  3. 3When units are located in the same commune, the distance between them is computed as zero; units in the same commune are all considered to be closest.