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. 2016 Aug 24;16(1):436. doi: 10.1186/s12913-016-1638-5

Table 2.

Bivariate analysis of the three indexes after data weighted [percent, estimator (95 %.CI.)]

Demographic characteristics The rate of elderly hospitalization The rate of elderly leaving against medical advice The rate of elderly hospital avoidance
Yeara
 2003/2004 6.67 (4.51, 9.76) - 46.11 (13.85, 82.00)
 2006 6.39 (3.20, 12.36) 21.59 (7.82, 47.19) 35.84 (25.05, 48.29)
 2008 9.43 (7.65, 11.57) 8.22 (2.51, 23.79) 35.60 (19.81, 55.30)
 2010 10.50 (4.50, 22.59) 12.91 (4.73, 30.70) 14.91 (8.56, 24.69)
 2012 13.99 (10.74, 18.03) 2.49 (0.96, 6.30) 7.88 (2.06, 25.79)
 2014 18.70 (10.50, 31.09) 9.25 (3.49, 22.30) 12.19 (5.99, 23.23)
 Pb p < 0.001 p < 0.001 p < 0.001
Sex
 Male 11.93 (9.56, 14.80) 11.28 (6.14, 19.81) 19.14 (15.94, 22.80)
 Female 11.98 (10.35, 13.83) 7.19 (2.20, 21.05) 21.97 (18.02, 26.49)
 pb p > 0.050 p < 0.001 p < 0.001
Age
 65~ 11.39 (8.39, 15.28) 11.51 (6.55, 19.45) 18.78 (11.92, 28.32)
 75~ 13.84 (10.50, 18.03) 4.36 (1.78, 10.30) 22.00 (15.57, 30.15)
 85~ 8.24 (5.21, 12.80) 15.11 (5.72, 34.32) 33.76 (13.38, 62.72)
 Pb p < 0.001 p < 0.001 p < 0.001
Occupation
 Farmer 13.39 (5.67, 28.45) 9.58 (5.72, 15.62) 21.64 (17.57, 26.35)
 No-farmer 11.86 (10.19, 13.76) 5.47 (0.95, 25.92) 5.25 (0.62, 32.87)
 Pb p > 0.050 p < 0.001 p < 0.001
Educational level
 Illiterate 10.93 (9.56, 12.46) 9.41 (3.22, 24.47) 24.39 (17.73, 32.56)
 Elementary school 12.22 (9.49, 15.61) 7.72 (3.59, 15.83) 18.42 (13.45, 24.71)
 Middle school and above 15.47 (10.09, 16.92) 14.38 (4.58, 37.01) 22.77 (9.35, 40.00)
 Pb p < 0.001 p < 0.001 p < 0.001
Marital status
 Unmarried/divorced/widowed 9.73 (7.13, 13.13) 7.75 (3.22, 17.53) 30.84 (18.58, 46.56)
 Married 13.35 (11.66, 15.25) 9.92 (5.39, 17.58) 14.79 (6.99, 28.62)
 Pb p < 0.001 p < 0.05 p < 0.001
Labor force
 Yes 11.20 (9.82, 12.74) 5.42 (2.36, 12.00) 19.80 (9.27, 37.38)
 No 13.61 (10.39, 17.63) 11.04 (6.17, 18.98) 21.00 (16.21, 26.76)
 Pb p < 0.001 p < 0.001 p < 0.001
Chronic disease
 Yes 18.16 (12.73, 25.25) 13.84 (6.23, 27.94) 32.63 (24.66, 41.75)
 No 9.69 (8.51, 11.01) 6.09 (2.52, 13.98) 10.31 (6.75, 15.44)
 Pb p < 0.001 p < 0.001 p < 0.001
Per-capita income per yearc
 Group I 10.21 (7.75, 13.36) 2.71 (0.36, 17.73) 29.72 (22.43, 38.22)
 Group II 9.84 (7.76, 12.41) 23.99 (10.42, 46.14) 30.04 (16.61, 48.07)
 Group III 10.75 (8.13, 14.08) 4.80 (1.01, 20.01) 15.33 (8.34, 26.47)
 Group IV 13.44 (10.64, 16.85) 7.88 (2.83, 20.11) 20.23 (14.43, 27.60)
 Group V 14.60 (7.53, 26.41) 8.36 (2.36, 25.65) 12.01 (7.75, 18.13)
 Pb p < 0.001 p < 0.001 p < 0.001

a The survey of leaving against medical advice started in 2006

b Pearson Chi-Square test

c The per capita income per year was inflated to the year of 2014 using rural consumer price index and divided into five groups when sorted from low to high (V is the highest)