Table 2.

Measles and Rubella immunoglobulin G (IgG) seropositivity (as determined by ELISA) by participant characteristics, Bhutan, 2017.^*

	Number of samples tested	Measles			Rubella
		# IgG positive	% (95% CI)	Prevalence Ratio	# IgG positive	% (95% CI)	Prevalence Ratio
Total	1325	1045	81(78–85)	–	1290	97(95–99)	–
Age
1–4 years	173	150	85 (77–91)	REF	173	100 (−)	REF
5–17 years	377	179	47 (39–56)	0.56 (0.44–0.69)	362	96 (92–98)	0.96 (0.92–0.99)
>20 years	775	716	92 (89–95)	1.08 (0.98–1.20)	755	97 (95–99)	0.97 (0.96–0.99)
Sex
Male	629	470	79 (75–83)	REF	609	97 (94–99)	REF
Female	695	574	83 (78–88)	1.06 (1.0–1.1)	680	98 (95–99)	1.01 (0.99–1.04)
Highest education level (or highest maternal education level for children)
No education	774	617	81 (76–85)	REF	749	97 (94–98)	REF
Primary/Monastic	284	218	82 (76–87)	1.01 (0.93–1.09)	278	98 (94–99)	1.01 (0.98–1.04)
Secondary/Tertiary	267	210	81 (74–87)	1.00 (0.91–1.09)	263	98 (95–100)	1.02 (0.99–1.04)
Measles/Measles-rubella containing vaccination by card (1–4 and 5–17 years), or recall (1–4 years)
0 doses	14	5	25 (8–57)	REF	11	82 (57–94)	REF
1 dose	128	73	51 (41–62)	2.04 (0.70–5.91)	127	99 (96–100)	1.21 (0.97–1.52)
≥2 doses	254	183	71 (64–78)	2.83 (1.03–7.77)	253	99 (93–100)	1.21 (0.97–1.51)
Unknown	154	68	45 (35–54)	1.77 (0.60–5.18)	144	94 (88–97)	1.15 (0.93–1.42)

REF = referent group.

^*Bold prevalence ratios highlight significant results.