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Genus

Journal of Population Sciences

Table 4 Odds ratio and confidence interval (p=0.05) for certain sexual behaviours by gender and time (2000–2017). The sexual behaviour of surveyed students who had already had sexual intercourse

From: Catching up! The sexual behaviour and opinions of Italian students (2000–2017)

 

%

Value

Min

Max

Condom, pill or IUD at first sexual intercourse

 M 2000

74.6

1

  

 M 2017

79.9

1.199

1.001

1.435

 F 2000

65.2

0.684*

0.561

0.832

 F 2017

78.5

1.101

0.911

1.331

Occasional partner at first sexual intercourse

 M 2000

35.5

1

  

 M 2017

29.4

0.723

0.615

0.850

 F 2000

9.1

0.213*

0.169

0.269

 F 2017

11.8

0.260*

0.214

0.317

One sexual partner (until the survey)

 M 2000

38.7

1

  

 M 2017

32.2

0.954

0.808

1.126

 F 2000

58.2

2.122*

1.769

2.545

 F 2017

42.3

1.294

1.091

1.536

Three sexual partners or more (until the survey)

 M 2000

30.7

1

  

 M 2017

37.3

1.187

1.010

1.395

 F 2000

12.9

0.406*

0.334

0.495

 F 2017

23.8

0.750*

0.630

0.892

Casual sex (at least once)

 M 2000

47.4

1

  

 M 2017

52.7

0.998

0.858

1.163

 F 2000

14.9

0.171*

0.139

0.211

 F 2017

27.6

0.371*

0.313

0.440

Betrayed the partner (at least once)

 M 2000

27.2

1

  

 M 2017

22.7

0.784

0.658

0.935

 F 2000

12.1

0.412*

0.327

0.519

 F 2017

12.7

0.389*

0.316

0.479

Sex once a month or less (in previous 3 months)

 M 2000

43.8

1

  

 M 2017

44.8

1.036

0.892

1.203

 F 2000

29.4

0.496*

0.416

0.592

 F 2017

30.9

0.593*

0.504

0.697

Sex 2–3 times a week or more (in previous 3 months)

 M 2000

27.6

1

  

 M 2017

25.9

0.892

0.756

1.052

 F 2000

30.7

1.230*

1.020

1.482

 F 2017

34.0

1.267*

1.066

1.507

Sexual experience at risk of HIV (at least once)

 M 2000

32.1

1

  

 M 2017

37.8

1.186

1.036

1.357

 F 2000

24.2

0.738*

0.634

0.860

 F 2017

34.3

1.000

0.867

1.154

Had a sexually transmitted disease (at least once)

 M 2000

4.2

1

  

 M 2017

7.0

1.206

0.911

1.597

 F 2000

6.3

1.663*

1.231

2.246

 F 2017

11.6

2.295*

1.734

3.038

Casual sex without using a condom (at least once)

 M 2000

26.0

1

  

 M 2017

39.1

1.600

1.356

1.889

 F 2000

18.8

0.686*

0.559

0.843

 F 2017

32.5

1.257

1.051

1.504

  1. Note: Percentages (in italics) and odds ratios for gender × time variable (Men2000 = 1): eleven logistic models fitted on the merged 2000 and 2017 datasets. The list of the control covariates and their distributions is reported in the Appendix.
  2. Bold indicates the odds ratios for 2017 are significantly different to the odds ratios for 2000 for both men and women
  3. For both years the asterisk means that the odd ratio for women is significantly different from that for men
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