Table 2 Prevalence of intimate partner violence according to the characteristics of the study population (n = 8466)

Age

 15 to 25 years old

1478

49.0

46.3–51.8

1502

51.0

48.2–53.7

0.394

 26 to 35 years old

1542

51.9

48.9–54.9

1505

48.1

45.1–51.1

 36 to 49 years old

1160

50.0

46.5–53.5

1279

50.0

46.5–53.5

Current marital status

 With partner

3997

53.6

51.7–55.4

3585

46.4

44.6–48.3

< 0.001

 Without partner

183

23.2

18.8–28.3

701

76.8

71.7–81.2

Women’s education level

 Primary or preschool

780

48.0

44.5–51.4

868

52.0

48.6–55.5

< 0.001

 Secondary

1881

46.0

43.5–48.5

2142

54.0

51.5–56.5

 Higher

1519

56.9

53.7–60.1

1276

43.1

39.9–46.3

Education level of the child’s father

 Primary or preschool

580

46.1

41.9–50.1

673

53.9

49.9–58.1

< 0.001

 Secondary

2014

46.3

43.9–48.7

2346

53.7

51.3–56.1

 Higher

1586

57.2

54.1–60.4

1267

42.8

39.6–45.9

Employment condition

 Yes

2484

47.8

45.6–49.9

2829

52.3

50.1–54.4

< 0.001

 No

1696

54.9

51.9–57.9

1457

45.1

42.1–48.1

Geographical region

 Lima Metropolitan Area

563

52.2

47.9–56.4

582

47.9

43.6–52.1

0.069

 Rest of coastline

1272

49.9

47.0–52.8

1267

50.1

47.2–53.0

 Highlands

1210

46.8

44.3–49.3

1392

53.2

50.7–55.7

 Jungle

1135

52.9

49.7–56.0

1045

47.1

44.0–50.3

Residence area

 Urban

2920

50.4

48.2–52.5

3034

49.6

47.5–51.8

0.991

 Rural

1260

50.4

47.4–53.4

1252

49.6

46.6–52.6

Wealth index

 First quintile

1140

51.0

47.6–54.4

1145

49.0

45.6–52.4

< 0.001

 Second quintile

1005

44.1

41.0–47.2

1242

55.9

52.8–59.0

 Third quintile

832

47.0

43.5–50.4

908

53.0

49.6–56.5

 Fourth quintile

650

50.5

46.4–54.6

593

49.5

45.4–53.6

 Fifth quintile

553

61.5

56.1–66.6

398

38.5

33.4–43.9

Ethnicity

 Mestizo

1964

52.4

49.7–55.1

1749

47.6

44.9–50.3

0.094

 Quechua

1007

47.4

44.0–50.8

1272

52.6

49.2–56.0

 Negro

438

49.8

45.2–54.3

455

50.2

45.7–54.8

 Others

771

48.9

44.8–53.0

810

51.1

47.0–55.2

Parity

 First children

1368

55.2

52.4–58.0

1140

44.8

42.0–47.6

< 0.001

 Second children

1424

52.3

49.6–54.9

1347

47.7

45.1–50.4

 Third children or more

1388

44.2

41.6–46.9

1799

55.8

53.1–58.4

Contraceptive use

 Yes

790

45.5

42.1–48.9

931

54.5

51.1–57.9

0.004

 No

3390

51.5

49.5–53.5

3355

48.5

46.5–50.5

Number or prenatal checkups

  > =6

3854

50.7

48.9–52.5

3877

49.3

47.5–51.1

< 0.001

  < 6

326

47.0

41.9–52.2

409

53.0

47.8–58.1

Pregnancy intention

 With intention

2171

55.8

53.3–58.4

1762

44.2

41.6–46.7

< 0.001

 Without intention

2009

45.4

42.9–47.9

2524

54.6

52.1–57.1