Table 1.

Demographic characteristics among women who tested positive for any HPV type (N = 327)

Ferritin, μg/LsTfR, μg/LsTfR-F index
N (%)Median (min–max)Median (min–max)Median (min–max)
Age,a y
 ≤2036 (11.0)26.6 (14.2–391.5)2.1 (1.3–5.0)1.2 (0.6–2.8)
 21–30135 (41.3)30.5 (1.0–350.0)1.9 (0.1–4.8)1.0 (0.1–3.2)
 31–40102 (31.2)26.4 (12.9–302.2)2.0 (1.1–8.2)1.1 (0.4–6.2)
 >4054 (16.5)22.0 (11.5–315.9)2.0 (1.0–7.5)1.0 (0.6–4.6)
Race/ethnicityb,c
 White192 (58.9)26.4 (1.0–391.5)1.9 (0.1–8.2)1.0 (0.1–6.2)
 Non-white134 (41.1)27.5 (14.3–350.0)2.1 (1.1–7.1)1.2 (0.4–4.3)
Marital status
 Common law113 (34.6)29.3 (13.1–338.7)2.0 (1.2–7.1)1.1 (0.6–4.3)
 Divorced28 (8.6)22.1 (11.5–184.4)1.9 (1.0–7.5)1.0 (0.6–4.6)
 Married109 (33.3)25.1 (1.0–302.2)2.0 (0.1–8.2)1.0 (0.1–6.2)
 Single70 (21.4)31.7 (10.9–391.5)2.1 (1.0–4.5)1.2 (0.5–2.9)
 Widow7 (2.1)21.3 (15.5–46.5)1.8 (1.4–2.1)0.9 (0.6–1.3)
Education
 <Elementary63 (19.3)27.6 (12.9–315.9)2.2 (1.1–5.8)1.2 (0.4–3.1)
 Elementary181 (55.5)26.4 (1.0–391.5)2.0 (0.1–7.5)1.0 (0.1–4.6)
 <High school44 (13.5)36.7 (10.9–338.7)1.9 (1.0–4.5)1.0 (0.6–2.9)
 ≥High school38 (11.7)24.5 (13.2–209.1)1.8 (1.2–8.2)1.0 (0.5–6.2)
Monthly income, U.S. $
 <25075 (23.7)26.5 (11.54–350.0)2.0 (1.0–7.1)1.1 (0.4–4.3)
 250–45083 (26.2)26.6 (1.0–240.1)1.9 (0.1–7.5)1.1 (0.1–4.6)
 451–72471 (22.4)27.9 (13.1–230.2)2.0 (1.2–5.2)1.1 (0.6–4.5)
 ≥72588 (27.8)28.8 (10.9–391.5)2.0 (1.0–5.4)1.1 (0.6–3.2)
Smoking statusb
 Never161 (49.4)27.7 (1.0–391.5)2.1 (0.1–8.2)1.1 (0.1–6.2)
 Former55 (16.9)28.4 (13.1–315.9)1.9 (1.1–5.0)1.0 (0.4–3.1)
 Current110 (33.7)26.0 (12.9–350.0)1.9 (1.2–7.5)1.0 (0.5–4.6)
Alcohol useb,c
 Yes237 (72.5)26.6 (1.0–391.5)2.0 (0.1–7.1)1.0 (0.1–4.3)
 No90 (27.5)27.5 (11.5–315.9)2.1 (1.0–8.2)1.2 (0.5–6.2)
Oral contraceptive usec
 Never61 (18.7)26.5 (10.9–391.5)2.0 (1.0–7.5)1.2 (0.5–4.6)
 <6 y185 (56.8)29.4 (11.5–247.2)2.1 (1.0–8.2)1.1 (0.6–6.2)
 ≥6 y80 (24.5)22.1 (1.0–338.7)1.9 (0.1–5.2)0.9 (0.1–4.5)
Total no. of pregnancies
 0–167 (20.7)26.3 (10.9–391.5)2.0 (1.0–4.5)1.1 (0.6–2.9)
 2–3133 (41.2)28.9 (1.0–240.1)1.9 (0.1–8.2)1.1 (0.1–6.2)
 4–694 (29.1)25.7 (11.5–315.9)2.0 (1.0–5.4)1.0 (0.4–3.1)
 7+29 (9.0)33.8 (15.2–104.4)2.2 (1.4–7.1)1.2 (0.6–4.3)
Age at first intercourse
 ≤15101 (31.0)27.2 (1.0–391.5)2.1 (0.1–5.4)1.1 (0.1–3.2)
 16–1788 (27.0)26.4 (11.5–338.7)1.9 (1.0–7.1)0.9 (0.6–4.3)
 18–1973 (22.4)28.0 (10.9–184.4)2.0 (1.0–5.0)1.1 (0.6–3.8)
 ≥2064 (19.6)26.7 (15.5–350.0)2.0 (1.1–8.2)1.2 (0.4–6.2)
Lifetime no. of sexual partnersb,c
 0–1112 (34.4)25.9 (1.0–338.7)2.0 (0.1–8.2)1.1 (0.1–6.2)
 2–3125 (38.3)29.1 (10.9–391.5)2.1 (1.0–7.1)1.2 (0.6–4.3)
 ≥489 (27.3)25.5 (11.5–209.1)1.8 (1.0–5.0)1.0 (0.5–3.8)
Total no. of sexual partners in the last five years
 0–1208 (63.8)28.5 (1.0–338.7)2.0 (0.1–8.2)1.1 (0.1–6.2)
 ≥2118 (36.2)26.0 (10.9–391.5)2.0 (1.0–5.4)1.1 (0.6–3.2)
Total no. of sexual partners during the last year
 0–1291 (89.8)27.5 (1.0–391.5)2.0 (0.1–8.2)1.1 (0.1–6.2)
 ≥233 (10.2)27.0 (13.2–350.0)2.1 (1.2–4.7)1.1 (0.7–2.6)
Age at menarche, y
 0–1174 (22.6)26.3 (13.1–209.1)2.0 (1.2–8.2)1.1 (0.6–6.2)
 12–19253 (77.4)27.5 (1.0–391.5)2.0 (0.1–7.5)1.1 (0.1–4.6)
Condom use
 Always14 (4.3)33.4 (18.8–153.9)1.8 (1.3–3.6)1.0 (0.6–2.8)
 Never/occasionally313 (95.7)26.6 (1.0–391.5)2.0 (0.1–8.2)1.1 (0.1–6.2)

NOTE: Kruskal–Wallis test was used to compare means.

  • aFerritin vary significantly.

  • bsTfR vary significantly.

  • csTfR per ferritin vary significantly.