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Table 1 Weighted characteristics of the study population-NHANES 1999–2014

From: Seropositivity to herpes simplex virus type 2, but not type 1 is associated with cervical cancer: NHANES (1999–2014)

Variable Status Number Weighted percent s.e.
Age 20–29 years 2676 28.74 0.71
  30–39 years 2751 33.46 0.71
  40–49 years 2757 37.80 0.73
Race White 3686 66.73 1.28
  Black 1597 11.91 0.74
  Others 2901 21.36 1.08
Education <high school 1765 14.47 0.57
  =high school 1698 20.81 0.67
  >high school 4721 64.71 0.94
Poverty income ratio <1 1944 17.19 0.68
  1 ≤ PIR ≤ median 2789 29.81 0.73
  >median 3451 53.00 1.07
Body mass index ≥25 5362 60.39 0.84
Smoking Current 1821 24.10 0.70
  Former 1172 16.02 0.64
  Non- 5191 59.88 0.85
Alcohol use Current 4812 65.56 1.01
  Former 518 5.94 0.33
  Non- 2854 28.49 0.97
HIV Yes 20 0.16 0.04
Any cancer Yes 322 4.90 0.32
Breast cancer Yes 32 0.48 0.10
Cervical cancer Yes 128 1.79 0.19
Ovarian cancer Yes 24 0.30 0.08
Uterine cancer Yes 34 0.38 0.09
  1. Abbreviations: s.e., standard error; HIV, human immunodeficiency virus; NHANES, National Health and Nutrition Examination Survey