Table 1. Open in new tab Serological... | Oxford Academic

Table 1.

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Serological Immunity (Measles Immunoglobulin G) to Measles Among Newly Employed Healthcare Workers (2009–2019) by Age at Time of Employment

Age at Employment, y	Positive		Equivocal		Negative		Total	P Value^a	Odds Ratio (95% Confidence Interval)
	N	%	N	%	N	%	N
10–19	98	83.1	9	7.6	11	9.3	118	< .0001	9.22 (3.37–25.28)
20–29	4951	83.2	346	5.8	656	11.0	5953	< .0001	9.15 (3.76–22.25)
30–39	3223	86.5	189	5.1	315	8.5	3727	< .0001	7.07 (2.90–17.23)
40–49	1339	89.6	54	3.6	101	6.8	1494	< .0001	5.23 (2.12–12.89)
50–59	749	90.7	27	3.3	50	6.1	826	.00013	4.65 (1.86–11.62)
60+	226	97.8	0	0.0	5	2.2	231	Reference group	Reference group
Total	10 586	85.7	625	5.1	1138	9.2	12 349

Age at Employment, y	Positive		Equivocal		Negative		Total	P Value^a	Odds Ratio (95% Confidence Interval)
	N	%	N	%	N	%	N
10–19	98	83.1	9	7.6	11	9.3	118	< .0001	9.22 (3.37–25.28)
20–29	4951	83.2	346	5.8	656	11.0	5953	< .0001	9.15 (3.76–22.25)
30–39	3223	86.5	189	5.1	315	8.5	3727	< .0001	7.07 (2.90–17.23)
40–49	1339	89.6	54	3.6	101	6.8	1494	< .0001	5.23 (2.12–12.89)
50–59	749	90.7	27	3.3	50	6.1	826	.00013	4.65 (1.86–11.62)
60+	226	97.8	0	0.0	5	2.2	231	Reference group	Reference group
Total	10 586	85.7	625	5.1	1138	9.2	12 349

^aComparing positive vs those with negative or equivocal titers.

Table 1.

Open in new tab

Serological Immunity (Measles Immunoglobulin G) to Measles Among Newly Employed Healthcare Workers (2009–2019) by Age at Time of Employment

Age at Employment, y	Positive		Equivocal		Negative		Total	P Value^a	Odds Ratio (95% Confidence Interval)
	N	%	N	%	N	%	N
10–19	98	83.1	9	7.6	11	9.3	118	< .0001	9.22 (3.37–25.28)
20–29	4951	83.2	346	5.8	656	11.0	5953	< .0001	9.15 (3.76–22.25)
30–39	3223	86.5	189	5.1	315	8.5	3727	< .0001	7.07 (2.90–17.23)
40–49	1339	89.6	54	3.6	101	6.8	1494	< .0001	5.23 (2.12–12.89)
50–59	749	90.7	27	3.3	50	6.1	826	.00013	4.65 (1.86–11.62)
60+	226	97.8	0	0.0	5	2.2	231	Reference group	Reference group
Total	10 586	85.7	625	5.1	1138	9.2	12 349

Age at Employment, y	Positive		Equivocal		Negative		Total	P Value^a	Odds Ratio (95% Confidence Interval)
	N	%	N	%	N	%	N
10–19	98	83.1	9	7.6	11	9.3	118	< .0001	9.22 (3.37–25.28)
20–29	4951	83.2	346	5.8	656	11.0	5953	< .0001	9.15 (3.76–22.25)
30–39	3223	86.5	189	5.1	315	8.5	3727	< .0001	7.07 (2.90–17.23)
40–49	1339	89.6	54	3.6	101	6.8	1494	< .0001	5.23 (2.12–12.89)
50–59	749	90.7	27	3.3	50	6.1	826	.00013	4.65 (1.86–11.62)
60+	226	97.8	0	0.0	5	2.2	231	Reference group	Reference group
Total	10 586	85.7	625	5.1	1138	9.2	12 349

^aComparing positive vs those with negative or equivocal titers.