Table 4 Factors associated with institutionalization willingness among single female seniors in rural Shandong, China, 2012 (n = 312)

n = 312

11(3.5)

301(96.5)

Age

NA

 60-

5(3.8)

125(96.2)

1.0

 70-

6(4.3)

132(95.7)

1.14(0.34-3.82)

0.836

 80-

0(0.0)

44(100.0)

0.000(0.000)

0.998

Education

NA

 Illiteracy or semiliterate

9(3.4)

255(96.6)

1.0

 Primary school

2(5.6)

34(94.4)

1.67(0.35-8.04)

0.525

 Junior school or above

0(0.0)

12(100.0)

0.000(0.000)

0.999

Past occupation

NA

 Farmer

11(3.7)

286(96.3)

1.0

 Others

0(0.0)

15(100.0)

0.000(0.000)

0.999

Living arrangements

Alone

10(11.6)

76(88.4)

1.0

1.0

 With children or others

1(0.4)

225(99.6)

0.03(0.00-0.27)

0.001

0.002

Number of children

NA

  ≤ 3

7(4.2)

161(95.8)

1.0

  > 3

4(2.8)

140(97.2)

0.66(0.19-2.30)

0.510

Relationship with children

 Good

5(1.8)

271(98.2)

1.0

1.0

 Normal or bad

6(16.7)

30(83.3)

10.84(3.12-37.66)

0.000

4.49(0.92-20.35)

0.051

Social support

11(3.5)

301(96.5)

0.91(0.83-1.01)

0.082

NA

Self-reported health status

NA

 Good

3(1.9)

155(98.1)

1.0

 Normal or bad

8(5.2)

146(94.8)

2.83(0.74-10.88)

0.130

Psychological stress

11(3.5)

301(96.5)

1.15(1.06-1.24)

0.001

1.14(1.03-1.27)

0.013

ADL^a

 I

2(1.4)

137(98.6)

1.0

1.0

 II

7(7.1)

91(92.9)

5.27(1.07-25.93)

0.041

4.08(0.63-26.19)

0.139

 III

2(2.7)

73(97.3)

1.88(0.260-13.60)

0.533

0.57(0.05-5.90)

0.635

NCD^b

NA

 Yes

7(3.1)

218(96.9)

1.0

 NO

4(4.6)

83(95.4)

1.50(0.43-5.26)

0.526

Income^c

NA

 Q1

9(6.3)

135(93.8)

1.0

 Q2

2(2.8)

69(97.2)

0.44(0.09-2.07)

0.295

 Q3

0(0.0)

66(100.0)

0.000(0.000)

0.997

 Q4

0(0.0)

31(100.0)

0.000(0.000)

0.998

Per-capita living space

11(3.5)

301(96.5)

1.02(1.00-1.03)

0.020

1.00(0.98-1.03)

0.723