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Table 1 Socio-demographic characteristics of sexually active males by timing of sex initiation.

From: Early initiation of sexual activity: a risk factor for sexually transmitted diseases, HIV infection, and unwanted pregnancy among university students in China

Variables

Timing of sex initiation

 

BHS (n = 115)a

HS (n = 705)a

Univ (n = 1088)a

Current age

   

   ≤ 19

21.4

24.3

6.7

   > 19

78.6

75.7

93.3

Grade

   

   I

40.9

40.4

8.5

   II

30.4

28.9

26.9

   III

23.5

26.4

42.4

   IV

5.2

4.3

22.2

Familys' economic status

   

   Rich

14.9

14.5

10.8

   Between

73.7

79.1

82.2

   Poor

11.4

6.4

7.0

Hometown area

   

   Countryside

24.6

19.1

27.3

   Town/city

75.4

80.9

72.7

Mean age of first sex

   

   ± SDb

15.53 ± 1.94

18.38 ± 1.25

20.44 ± 1.16

  1. a Data were shown in percentages, and the perentages of some items may not add up to 100 due to missing data.
  2. b SD, standard deviation.
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BMC Public Health

ISSN: 1471-2458

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