Table 1 Demographic characteristics and outcomes among migrants (N = 570,614)

N

%

N

%

N

%

N

%

N

%

Gender***

Male

13,772

44.60

117,647

58.50

88,059

52.10

87,799

51.70

307,277

53.90

Female

17,089

55.40

83,290

41.50

80,892

47.90

82,066

48.30

263,337

46.10

Age(years)***

20–35

3,792

12.30

57,261

28.50

55,881

33.10

59,270

34.90

176,204

30.90

36–50

17,761

57.60

101,282

50.40

77,510

45.90

74,747

44.00

271,300

47.50

51–65

8,752

28.40

41,028

20.40

30,296

17.90

30,112

17.70

110,188

19.30

>65

556

1.80

1366

0.70

5,264

3.10

5,736

3.40

12,922

2.30

Ethnicity***

Han

30,142

97.70

186,218

92.70

155,078

91.80

153,882

90.60

525,320

92.10

Minority

719

2.30

14,719

7.30

13,873

8.20

15,983

9.40

45,294

7.90

Marital status***

Married

25,413

82.30

153,789

76.50

137,418

81.30

139,553

82.20

456,174

79.90

Otherwise

5448

17.70

47,147

23.50

31,533

18.70

30,312

17.80

114,440

20.10

Education status***

≤Middle school

4,726

15.30

133,812

66.60

104,275

61.70

103,138

60.70

345,951

60.60

High school

17,108

55.40

41,289

20.50

37,670

22.30

37,187

21.90

133,254

23.40

College

8,127

26.30

25,183

12.50

26,200

15.50

28,650

16.90

88,160

15.50

>College

900

2.90

653

0.30

806

0.50

890

0.50

3,249

0.60

Type of household***

Rural

25,689

83.20

169,061

84.10

138,845

82.20

132,555

78.00

466,150

81.70

Urban

5,172

16.80

31,876

15.90

30,106

17.80

37,310

22.00

104,464

18.30

Medical insurance***

Rural medical insurance

0

0.00%

3,458

1.70%

110,769

65.60%

107,457

63.30%

221,684

38.90%

Urban medical insurance

2,559

8.30%

46,492

23.10%

37,910

22.40%

48,302

28.40%

135,263

23.70%

Otherwise

28,302

91.70%

150,987

75.10%

20,272

12.00%

14,106

8.30%

213,667

37.40%

Reason for migration***

Work or study

18,200

58.97%

3,173

1.57%

25,305

14.98%

26,597

15.66%

73,275

12.84%

Family factors

5,237

16.97%

196,307

97.70%

141,193

83.57%

142,065

83.63%

484,802

84.96%

Others

7,424

24.06%

1,457

0.73%

2,453

1.45%

1,203

0.71%

12,537

2.20%

Year of first migration***

Ten years ago

2,762

8.94%

62,284

31.00%

17,510

10.36%%

75,114

44.22%

157,670

27.63%

The last ten years

3,218

10.40%

138,653

69.00%

15,725

9.31%

94,326

55.53%

251,922

44.15%

Forget or don’t want to tell

24,881

80.66%

0

0.00%

135,716

80.33%

425

0.25%

161,022

28.22%

≥ 5 years migration and have a life preference now***

Yes

4,405

14.27%

23,379

12%

26,954

15.95%

33,567

19.76%

88,305

15.48%

No

26,435

85.66%

177,558

88%

141,997

84.05%

13,6298

80.24%

482,288

84.52%

Forget or don’t want to tell

21

0.07%

0

0.00%

0

0.00%

0

0.00%

0

0.00%

Region***

East area

8,064

26.10%

45,596

22.70%

40,651

24.10%

40,014

23.60%

134,325

23.50%

Central area

13,439

43.50%

85,096

42.30%

67,642

40.00%

68,432

40.30%

234,579

41.10%

West area

9,358

30.30%

7,0245

35.00%

60,658

35.90%

61,419

36.20%

201,680

35.30%

Received HIV education***

Yes

19,955

64.70%

90,038

44.80%

85,517

50.60%

61,233

36.00%

256,743

45.00%

No

10,906

35.30%

110,892

55.20%

83,434

49.40%

108,632

64.00%

313,871

55.00%