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Table 1 Sexual activity, pregnancy and induced abortion among the Chinese pre-married women participating in premarital medical examinations from all included studies

From: Unintended pregnancy and induced abortion among unmarried women in China: a systematic review

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
  1. NA data not available