Table 1.

Participant characteristics and Coxiella burnetii seroprevalence among cattle farmers and farm residents in three northeastern provinces and Inner Mongolia Autonomous Region, China.

Variable	Category	Freq. (N)	Seroprevalence (%)	95% CI
Participant		362	35.64	30.70–40.57
Sex	Male	198	36.36	29.66–43.06
	Female	164	34.76	27.47–42.04
Age group	<35	56	35.71	23.16–48.26
	35–44	78	30.77	20.53–41.01
	45–54	137	38.69	30.53–46.84
	≥55	91	35.17	25.35–44.98
Function	Farmer	193	38.34	31.48–45.20
	Spouse	89	31.46	21.81–41.11
	Child	45	31.11	17.59–44.64
	Other∗	35	37.14	21.14–53.15
Region	Heilongjiang	98	30.61	21.49–39.74
	Jilin	76	27.63	17.58–37.69
	Liaoning	92	31.52	22.03–41.02
	Inner Mongolia	96	51.04	41.04–61.04

∗ represents other family members and employees.