Table 2.

Rubella IgG detection results in 10 cities of Shandong province from 2014 to 2015.

Age group	Age-standardised proportion positive for rubella IgG
	Average	Qingdao	Linyi	Dongying	Liaocheng	Tai’an	Rizhao	Zibo	Zaozhuang	Laiwu	Jinan
<2	88.86	95.00	96.00	82.46	84.62	82.26	100.00	100.00	90.91	100.00	86.36
2–4	88.66	97.50	88.00	60.87	91.84	81.63	100.00	97.30	85.71	95.83	94.12
5–7	85.03	100.00	84.00	54.41	92.50	90.91	96.97	100.00	90.48	100.00	91.67
8–10	90.46	92.50	94.00	75.00	94.87	86.96	100.00	94.00	76.67	100.00	92.50
11–14	92.37	97.50	96.00	71.43	85.71	96.43	93.51	100.00	85.71	87.10	97.44
15–19	96.01	100.00	94.00	89.19	100.00	100.00	95.92	98.67	94.23	93.94	94.87
20–39	92.17	95.00	89.14	92.68	94.74	87.50	95.31	97.67	94.59	86.67	89.74
≥40	95.58	95.00	94.07	100.00	100.00	90.63	100.00	85.71	100.00	100.00	94.87
Total	91.08	96.67	91.64	78.12	92.83	89.52	97.38	97.46	89.66	94.46	92.47