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Table 1 Descriptive characteristics of participants

From: Income-related inequality and decomposition of edentulism among aged people in China

Variables

Poststratification data

Proportion (%)

95% CIs

Edentulism

No

95.58

(94.22, 96.64)

Yes

4.42

(3.36, 5.78)

Gender

Male

49.93

(49.04, 50.83)

Female

50.07

(49.17, 50.96)

Area

Urban

42.92

(36.69, 49.39)

Rural

57.08

(50.61, 63.31)

Educational attainment level

Low

84.72

(81.69, 87.33)

Medium

10.67

(9.00, 12.59)

High

4.61

(3.30, 6.40)

Income

1st quintile

(poorest)

21.87

(17.42, 27.08)

2nd quintile

18.99

(15.92, 22.50)

3rd quintile

20.28

(17.77, 23.05)

4th quintile

20.74

(17.94, 23.84)

5th quintile

(richest)

18.12

(14.66, 22.19)

Smoking

Yes

25.54

(23.55, 27.64)

Never

61.18

(59.40, 62.94)

Quit smoking

13.28

(12.00, 14.67)

Perceived general health

Very poor/poor

18.80

(16.17, 21.76)

Fair

44.27

(41.21, 47.38)

Good/ very good

36.93

(33.54, 40.45)

Dental service utilization in the past 12 months

Yes

20.81

(18.7, 23.10)

Never

79.19

(76.90, 81.30)

Attitude

Low

22.32

(18.82, 26.25)

High

77.68

(73.75, 81.18)

Knowledge

Low

54.52

(49.85, 59.11)

High

45.48

(40.89, 50.15)

Medical insurance

No

1.82

(1.25, 2.64)

Yes

98.18

(97.36, 98.75)