Table 1

Characteristics of women from the 2003–2012 National Health and Nutrition Examination Survey (n=7132)

n (weighted %)
Survey cycle
 2003–20041184 (18.9)
 2005–20061369 (20.5)
 2007–20081559 (20.9)
 2009–20101616 (19.5)
 2011–20121404 (20.2)
Sexual orientation
Sexual identity
 Heterosexual6571 (93.6)
 Bisexual243 (3.4)
 Lesbian87 (1.2)
 Other203 (1.8)
Sexual behaviour
 Opposite-sex only6139 (88.0)
 Both sexes577 (8.4)
 Same-sex only23 (0.3)
 No sex293 (3.4)
Demographic characteristics
Age (years)
 20–291914 (23.9)
 30–391755 (23.6)
 40–491866 (27.6)
 50–591597 (24.9)
Race/ethnicity
 Non-Hispanic white3148 (67.9)
 Non-Hispanic black1608 (12.7)
 Hispanic1899 (13.4)
 Other477 (5.9)
Relationship/marital status
 Not married2905 (36.3)
 Married/living with a partner4224 (63.7)
Education
 Less than a high school degree1543 (14.4)
 High school degree1517 (21.1)
 More than a high school degree4068 (64.5)
Poverty level
 Below1556 (15.4)
 At or above5158 (84.6)
Health-related characteristics
Healthcare visit in the last year
 No907 (11.5)
 Yes6224 (88.5)
Smoking status
 Never smoker4388 (58.5)
 Former smoker1127 (18.4)
 Current smoker1615 (23.1)
Age at first sexual intercourse
 15 or younger1807 (24.0)
 16 or older5298 (76.0)
Total number of sexual partners during lifetime
 4 or fewer3480 (46.8)
 5 or more3563 (53.2)
  • Table reports raw frequencies and weighted percentages. Totals may not sum to stated sample size due to missing data. Per cents may not sum to 100% due to rounding.