Table 3 The influencing factors of sexual risk behaviors among total participants and migrants

Migration experience

  Migrant

0.007

1.942(1.204,3.132)

-

-

0.218

1.338(0.842,2.126)

-

-

  Non-migrant (reference)

-

-

-

-

Age (year)

  18–45

0.003

2.265(1.312,3.908)

0.007

2.943(1.344,6.444)

0.001

2.441(1.464,4.071)

0.013

2.591(1.221,5.499)

  46–59

0.047

1.79(1.008,3.178)

0.481

1.359(0.579,3.189)

0.101

1.557(0.917,2.644)

0.454

1.361(0.607,3.051)

  ≥ 60 (reference)

Gender

  Male

0.199

1.332(0.860,2.064)

0.995

1.002(0.542,1.852)

0.008

1.775(1.159,2.719)

0.356

1.333(0.724,2.456)

  Female (reference)

Monthly salary (RMB)

  0-1000

0.058

0.515(0.259,1.023)

0.189

0.527(0.202,1.371)

0.936

1.029(0.518,2.042)

0.656

0.806(0.312,2.080)

  1001–4000

0.212

0.667(0.353,1.260)

0.196

0.569(0.242,1.338)

0.594

1.192(0.625,2.276)

0.848

1.086(0.466,2.533)

  4001–8000

0.470

0.786(0.410,1.509)

0.638

0.807(0.331,1.971)

0.400

1.332(0.684,2.594)

0.485

1.378(0.560,3.388)

  ≥ 8001(reference)

Length of stay in the current city among migrants (year)

  0–1

-

-

0.283

1.47(0.728,2.968)

-

-

0.701

1.146(0.571,2.303)

  2–3

-

-

0.006

3.209(1.387,7.424)

-

-

0.208

1.724(0.739,4.023)

  4–6

-

-

0.395

1.463(0.608,3.521)

-

-

0.695

0.837(0.345,2.033)

  7–9

-

-

0.893

1.087(0.321,3.679)

-

-

0.756

0.829(0.255,2.696)

  ≥ 10 (reference)

Registered residence by region

  Eastern regions

0.562

0.784(0.345,1.784)

0.901

0.938(0.346,2.548)

0.682

1.189(0.519,2.726)

0.575

1.332(0.489,3.631)

  Central and western regions (reference)

Registered residence by economic level

  Developed regions

0.280

1.567(0.694,3.540)

0.761

1.156(0.454,2.943)

0.651

0.827(0.363,1.883)

0.413

0.676(0.264,1.726)

  Less-developed regions (reference)