Table 1

Sexual activity, pregnancy and induced abortion among the Chinese pre-married women participating in premarital medical examinations from all included studies

Urban/rual

Study site/year

Women

Ave. age (Range)

Sexual activity

Pregnancy

Induced abortion

Reference No.

N

n (%;95% CI)

n (%;95% CI)

n (%;95% CI)

Urban and rural

Shanghai; 1995–96

2580

NA

1789 (69; 68–71)

712 (28;26–29)

638 (24;23–26)

13

Urban

Xuhui District, Shanghai; 1999

788

25 (20–39)

599 (76; 73 to 79)

251 (32; 29 to 35)

215 (27; 24 to 31)

5

Urban

Baoshan District, Shanghai; 1995–96

550

NA

298 (54; 50 to 58)

66 (12; 9 to 15)

63 (11; 9 to 14)

6

Urban

Xinghua City, Jiangsu; 2000

1,068

23 (19–32)

836 (78; 76 to 81)

NA

419 (39; 36 to 42)

7

Urban

Tengzhou City; Shandong; 1998

758

25 (22–37)

622 (82; 79 to 85)

NA

149 (20; 17 to 23)

8

Urban

Qingdao City; Shandong; 2000

2,403

27 (22–44)

NA

NA

561 (23; 22 to 25)

9

Urban

Jiaxing City, Zhejiang; 2000

208

25 (21–31)

157 (75; 69 to 81)

NA

80 (38; 32 to 45)

10

Urban

Nanping City; Fujian; 1998–99

2,790

NA

NA

NA

1,527 (55; 53 to 57)

11

Rural

Gaotang County; Shandong; 1999

5,960

NA

1,192 (20; 19 to 21)

NA

45 (0.8; 0.6 to 1.0)

12

NA data not available

Qian et al. BMC Health Services Research 2004 4:1   doi:10.1186/1472-6963-4-1