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Table 1 Sociodemographic characteristics of primary MDR-TB cases and controls, sex and age (±5 years) matched

From: Factors associated with primary transmission of multidrug-resistant tuberculosis compared with healthy controls in Henan Province, China

Variables

Primary MDR-TB cases

Controls

Wald χ 2 value

p-value

COR (95%CI)

n (%)

n (%)

Total (N)

 

146 (100.00)

146 (100.00)

NA

NA

NA

Sex

Male

97 (66.67)

97 (66.67)

NA

NA

NA

 

Female

49 (33.33)

49 (33.33)

NA

NA

NA

Age (years)

(mean ± standard deviation)

48 ± 17

48 ± 16

NA

NA

NA

 

[median (min, max)]

48 (18, 79)

49 (18, 77)

NA

NA

NA

Education

Middle school and above

83 (56.86)

120 (82.35)

  

1.00

 

Illiterate or elementary school

63 (43.14)

26 (17.65)

6.78

0.0092

4.25 (1.43–12.63)

Single

No

97 (66.67)

120 (82.35)

  

1.00

 

Yes

49 (33.33)

26 (17.65)

4.32

0.0377

5.00 (1.10–22.81)

Employment

Unemployed

29 (19.61)

20 (13.73)

  

1.00

 

Skilled or unskilled worker

46 (31.37)

57 (39.22)

1.02

0.3132

0.53 (0.15–1.82)

 

Migrant worker

37 (25.49)

34 (23.53)

0.17

0.6763

0.76 (0.21–2.79)

 

Farmer

34 (23.53)

34 (23.53)

0.35

0.5554

0.62 (0.13–3.01)

Annual income (RMB)

>12,000 yuan

26 (17.65)

72 (49.02)

  

1.00

 

≤12,000 yuan

120 (82.35)

74 (50.98)

8.83

0.0030

6.33 (1.87–21.40)

Area of residence

Urban

57 (39.22)

77 (52.94)

  

1.00

 

Rural

89 (60.78)

69 (47.06)

2.24

0.1344

2.00 (0.81–4.96)

Size of living space

≥40 m2

46 (31.37)

86 (58.82)

  

1.00

 

<40 m2

100 (68.63)

80 (41.18)

6.34

0.0188

3.00 (1.28–7.06)

Floor in building of living space

Second floor and above

40 (27.45)

83 (56.86)

   
 

Below the second floor

106 (72.55)

63 (43.14)

7.69

0.0056

4.00 (1.50–10.66)

  1. NOTE: COR: crude odds ratio; CI: confidence interval; NA: not applicable.