Skip to main content

Table 1 Sample characteristics, by sex and Natsal survey

From: Examining changes in sexual lifestyles in Britain between 1990–2010: a latent class analysis approach

Sociodemographic characteristic

Natsal-1 (%a)

Natsal-2 (%)

Natsal-3 (%)

Combined (Natsal-1, -2 and -3) (%)

Men (n = 5081, 43.3%)

Women (n = 6657, 56.7%)

Men (n = 4104, 42.4%)

Women (n = 5586, 57.6%)

Men (n = 3405, 40.6%)

Women (n = 4992, 59.4%)

Men (n = 12,590, 42.2%)

Women (n = 17,235, 57.8%)

Age Category

 16–24

21.8

22.4

23.0

20.4

38.1b

45.1

26.6

25.0

 25–34

41.5

43.8

39.5

41.7

40.6

33.7

40.6

43.5

 35–44

36.7

33.8

37.5

37.9

21.3

21.3

32.8

14.1

Ethnicity

 White

95.0

95.2

88.6

90.0

87.5

87.7

91.3

91.3

 Other Ethnic Groups

4.7

4.6

10.0c

9.8

12.3

12.1

8.5

8.4

Sexual attraction

 Exclusively opposite sex

94.2

94.1

90.0

87.1

92.2

82.6

92.3

88.5

 Not exclusively opposite sex

5.7

5.8

9.9

12.7

7.6

17.4

7.6

11.4

Relationship Status

 Married/cohabiting

65.4

69.3

52.8

61.2

44.2

48.9

55.5

60.8

 Not cohabiting/single

34.6

30.7

47.1

38.7

55.6

50.9

44.4

39.1

Highest educational qualification

 Degree-level

13.4

9.3

24.1

20.0

25.3

27.1

20.1

18.0

 Below degree-level

69.1

67.7

59.5

63.6

64.6

63.5

64.8

65.1

 No qualification

17.3

22.9

16.2

16.1

9.9

9.2

14.9

16.7

Number of partners in last year

 1

80.5

90.0

69.3

82.7

68.9

77.5

73.7

84.0

 2 + 

19.5

10.0

30.3

17.1

31.2

22.5

26.2

15.9

Number of partners without a condom in last year

 0

42.4

28.8

52.9

39.1

55.8

40.3

49.4

35.5

 1

46.8

62.0

36.1

51.2

33.0

46.9

39.6

54.1

 2 + 

7.2

5.5

7.3

6.4

7.4

8.6

7.3

6.7

First sexual experience before 16

 16+

72.2

86.9

65.7

75.0

63.6

65.5

67.8

76.8

 Before 16

27.8

13.1

34.3

25.0

36.4

34.5

32.2

23.2

Self-perceived HIV risk

 Not at-risk

68.1

74.2

56.6

67.4

63.6

73.4

63.2

71.8

 At-risk

31.5

25.4

42.9

32.1

35.8

26.0

36.4

27.8

  1. aCalculated from the number of individuals reporting the outcome divided by the number of men/women sampled from each survey. Due to small numbers of missing data, not all values add to 100%
  2. bThe higher proportions of young people in Natsal-3 are due to Natsal-3 oversampling people aged 16-34 years
  3. cThe higher proportions of ethnic minority groups in Natsal-2 are due to Natsal-2 oversampling people from key ethnic minority groups