Skip to main content

Table 3 Prevalence of sexual/drug-use behaviors of study participants

From: Substance use, risky sexual behaviors, and their associations in a Chinese sample of senior high school students

 

Total (N=2688)

Males (N=1324)

Females (N=1329)

χ 2

Part one Sexual behaviors in lifetime; n (%)

1. Sexual intercourse in lifetime

   

76.95** a

 Ever had

188 (7.0)

146 (11.0)

33 (2.5)

 

 Never had

2500 (93.0)

1178 (89.0)

1296 (97.5)

 

2. Gender of the sexual partner lifetime

   

3.25 b

 Heterosexual partner

152 (80.5)

121 (83.0)

31 (70.0)

 

 Homosexual partner

11 (6.0)

7 (4.7)

4 (15.0)

 

 Both

25 (13.5)

18 (12.3)

7 (15.0)

 

3. Sexual intercourse partners in lifetime

   

0.62 b

 One

113 (60.3)

86 (59.0)

27 (68.4)

 

 Two

10 (5.3)

8 (5.7)

2 (5.3)

 

 ≥ three

65 (34.4)

52 (35.2)

13 (26.3)

 

4. Unprotected sexual intercourse

   

0.01a

 Ever had

80 (42.4)

62 (42.5)

18 (52.1)

 

 Never had

108 (57.6)

84 (57.5)

24 (57.9)

 

5. Age of the first sexual intercourse

    

 ≤14 years

31 (16.4)

26 (17.4)

5 (22.0)

3.22 b

 15-17 years

92 (49.2)

67 (46.2)

25 (57.1)

 

 ≥18 years

65 (34.4)

53 (36.4)

12 (20.8)

 

6. Age of the first sexual partner

   

0.95 b

 ≤14 years

30 (15.8)

23 (16.0)

7 (15.0)

 

 15-17 years

82 (43.6)

66 (45.3)

16 (35.0)

 

 ≥18 years

76 (40.6)

57 (38.7)

19 (50.0)

 

Part two Sexual behaviors in last three months; n (%)

1. Antecedent sexual behaviors with heterosexual partner

   

32.38** a

 No/occasional

2548 (94.8)

1225 (92.5)

1294 (97.4)

 

 Often/usually

140 (5.2)

99 (7.5)

35 (2.6)

 

2. Antecedent sexual behaviors with homosexual partner

   

12.90** a

 No/occasional

2642 (98.3)

1309 (98.9)

1306 (98.3)

 

 Often/usually

46 (1.2)

15 (1.1)

23 (1.7)

 

3. Sexual intercourse

    

 Ever had

137 (5.1)

102 (7.7)

25 (1.9)

46.75** a

 Never had

2551 (94.9)

1222 (92.3)

1304 (98.1)

 

4. Among these sexual intercourses

    

(1) Heterosexual intercourse

   

17.85** a

 Ever had

121 (88.1)

98 (96.0)

17 (68.0)

 

 Never had

16 (11.9)

4 (4.0)

8 (32.0)

 

(2) Homosexual intercourse

   

2.93 a

 Ever had

59 (42.9)

38 (37.1)

14 (56.0)

 

 Never had

78 (57.1)

64 (62.9)

11 (44.0)

 

(3) Sexual intercourse partners (%)

   

0.76 b

 One

69 (50.7)

50 (49.1)

15 (61.5)

 

 Two

9 (6.7)

7 (7.0)

2 (7.7)

 

 ≥ three

59 (42.7)

45 (43.9)

8 (30.8)

 

(4) Unprotected sexual intercourse

   

0.88 a

 Ever had

58 (42.1)

41 (39.7)

13 (52.0)

 

 Never had

79 (57.9)

61 (60.3)

12 (48.0)

 

(5) Sexual intercourse while drunk

   

4.77* a

 Ever had

54 (39.6)

45 (43.9)

5 (20.0)

 

 Never had

83 (60.4)

57 (56.1)

20 (80.0)

 

(6) Sexual intercourse with high-risk partners

   

1.35 a

 Ever had

35 (25.9)

28 (27.3)

4 (16.0)

 

 Never had

102 (74.1)

74 (72.9)

21 (84.0)

 

Part three Substance use behaviors in last three months; n (%)

1. Injection drug use

   

18.43** a

 Ever had

38 (1.4)

29 (2.2)

4 (0.3)

 

 Never had

2650 (98.6)

1295 (97.8)

1325 (99.7)

 

2. Oral/rhinal drug use

   

13.64** a

 Ever had

32 (1.2)

25 (1.9)

5 (0.4)

 

 Never had

2656 (98.8)

1299 (98.1)

1324 (99.6)

 

3. Cigarette smoking

   

24.75** a

 No/occasional

2634 (98.0)

1282 (96.8)

1322 (99.5)

 

 Often/usually

54 (2.0)

42 (3.2)

7 (0.5)

 

4. Alcohol drinking

   

71.84** a

 No/occasional

2580 (96.0)

1231 (93.0)

1321 (99.4)

 

 Often/usually

108 (4.0)

93 (7.0)

8 (0.6)

 
  1. Antecedent sexual behaviors refers to kiss and petting.
  2. Unprotected sexual intercourse refers to the sexual intercourse without condemn use.
  3. High-risk partners refer to people with HIV/AIDS/STI, people with drug use, and people with multiple.
  4. sexual partners.
  5. a 2*2 Chi-square Test.
  6. b K*2 Chi-square Test.
  7. * P<0.05.
  8. **P<0.01.