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Table 1 Demographics of 12,656 biopsied participants

From: Distribution of cervical intraepithelial neoplasia on the cervix in Chinese women: pooled analysis of 19 population based screening studies

 

Mean ± SD

Median (Range)

Age in years

41.5 ± 7.2

41 (19-65)

Age at menarche in years

15.7 ± 1.9

16 (10-26)

Sexual history

Age at sexual debut in years

20.9 ± 2.3

21 (13-37)

Number of pregnancies

3.0 ± 1.3

(0-16)

Number of live births

2.3 ± 1.0

(0-14)

Number of sexual partners

1.5 ± 1.2

(0-40)

 

Number (n)

Percentage (%)

Marital status

Single

34

0.30 %

Married

12081

96.10 %

Widowed

235

1.90 %

Divorced

77

0.60 %

Education level

<Primary school

1262

10.00 %

Primary school

4055

32.20 %

Middle school

6088

48.40 %

High school or above

1027

8.20 %

Current contraceptiveuse

Yes

11510

91.50 %

Contraceptive method

  

Oral contraceptive pill

269

2.30 %

Condom

473

4.10 %

IUD

3476

30.20 %

Sterilization

8913

77.40 %

Smoking history

Never smoked

12061

95.90 %

Quit smoking

40

0.30 %

Current smoker

271

2.20 %

  1. SD standard deviation; IUD intrauterine device