Table 3.

Seroprevalence of diphtheria and tetanus antibodies ≥0.1 IU/mL among children born in 2006–2015 by survey site, age group, and sex — Ukraine, 2017

Variables	Children tested, n	Diphtheria antibodies ≥0.1 IU/mL		Tetanus antibodies ≥0.1 IU/mL
		Adjusted % (95% CI)	p value	Adjusted % (95% CI)	p value
Zakarpattya
Overall	1,306	50.0 (41.9–58.1)	n/a	61.6 (52.9–70.3)	n/a
Age group
Born in 2006–2010	790	48.5 (39.8–57.1)	0.356	61.0 (51.7–70.4)	0.713
Born in 2011–2015	516	51.6 (42.7–60.4)		62.2 (53.0–71.4)
Sex
Male	693	50.7 (42.1–59.4)	0.564	61.8 (52.3–71.3)	0.866
Female	613	49.2 (40.9–57.5)		61.4 (52.7–70.0)
Sumy
Overall	1,403	76.2 (72.2–80.3)	n/a	89.1 (86.2–92.0)	n/a
Age group
Born in 2006–2010	835	83.9 (80.8–87.0)	<0.001	93.3 (91.1–95.6)	<0.001
Born in 2011–2015	568	67.9 (61.3–74.5)		84.6 (80.2–88.9)
Sex
Male	729	76.1 (71.4–80.7)	0.872	89.6 (86.9–92.3)	0.489
Female	674	76.5 (71.5–81.4)		88.6 (84.9–92.2)
Odessa
Overall	1,298	69.3 (65.0–73.6)	n/a	80.7 (76.5–84.9)	n/a
Age group
Born in 2006–2010	781	71.9 (67.7–76.0)	0.063	82.3 (78.3–86.3)	0.274
Born in 2011–2015	517	66.5 (60.6–72.4)		79.0 (72.8–85.1)
Sex
Male	670	71.3 (66.5–76.1)	0.114	81.0 (76.5–85.5)	0.777
Female	628	67.1 (61.8–72.4)		80.4 (75.3–85.4)
Kyiv City
Overall	722	79.2 (76.5–81.9)	n/a	88.9 (86.3–91.4)	n/a
Age group
Born in 2006–2010	442	80.8 (77.9–83.6)	0.313	89.1 (84.6–93.7)	0.862
Born in 2011–2015	280	77.5 (72.6–82.4)		88.6 (85.2–91.9)
Sex
Male	369	78.2 (75.7–80.7)	0.334	87.8 (85.2–90.3)	0.341
Female	353	80.2 (76.2–84.3)		90.0 (86.0–94.0)