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Table 1 General characteristics of respondents

From: The prevalence of smoking, second-hand smoke exposure, and knowledge of the health hazards of smoking among internal migrants in 12 provinces in China: a cross-sectional analysis

Variable

Male (N = 4313)

Female (N = 2887)

Total (N = 7200)

N

%

N

%

N

%

Age (m ± SD)(y)

33.89 ± 8.56

32.37 ± 8.46

33.28 ± 0.10

Education year (m ± SD)(y)

10.24 ± 2.91

9.87 ± 3.30

10.09 ± 0.36

Duration of stay (m ± SD)(y)

10.32 ± 6.64

8.84 ± 5.98

9.72 ± 6.43

Working hours per week (m ± SD)(hrs.)

60.54 ± 17.75

57.42 ± 17.43

59.28 ± 17.69

Marital status

 Never married

628

14.6

497

17.2

1, 194

16.6

 Married

2, 625

60.9

2, 357

81.6

5, 937

82.5

 Divorced/widowed

959

22.2

33

1.1

69

1.0

Household registration status

 Agricultural

3, 433

79.6

2, 309

80.0

5, 742

79.8

 Nonagricultural

879

20.4

576

20.0

1, 458

20.2

Employment

 Yes

2, 437

56.5

1, 718

59.5

4, 155

57.7

 No

1, 876

43.5

1, 169

40.5

3, 045

42.3

Occupational type

 Professional and technical personnel

628

14.6

238

8.2

866

12.0

 Business and service personnel

2, 625

60.9

1, 976

68.4

4, 601

63.9

 Production, transportation and facility operation personnel

959

22.2

490

17.0

1, 449

20.1

 Agricultural, unemployed and others

101

2.3

183

6.3

1, 449

3.9

Employer nature

 Within the system

437

10.1

195

6.8

632

8.8

 Outside the system

3, 478

80.6

2, 400

83.1

5, 878

81.6

 Agricultural, unemployed and others

398

9.2

292

10.1

690

9.6

Migration type

 Trans-provincial

2, 835

65.7

1, 888

65.4

4, 723

65.6

 Trans-municipal

1, 115

25.9

771

26.7

1, 886

26.2

 Trans-counties

363

8.4

228

7.9

591

8.2