Intention to accept pertussis vaccination among Chinese people older than age 5

Figures & data

Table 1. Descriptive characteristics of respondents by intention to accept pertussis vaccine in Yiwu

Variable	Total n = 2286	Intention to accept vaccine		χ^2	P
		Yes (%) n = 1938	No (%) n = 348
Gender				0.001	0.982
Male	1122	951 (84.76)	171 (15.24)
Female	1164	987 (84.79)	177 (15.21)
Ethnic group				0.008	0.928
The Han ethnic group	2209	1873 (84.79)	336 (15.21)
Else	77	65 (84.42)	12 (15.58)
Occupation				53.321	<0.001
Student	272	260 (95.59)	12 (4.41)
Housewife and unemployed	535	421 (78.69)	114 (21.31)
Retired	30	25 (83.33)	5 (16.67)
Business and service	674	575 (85.31)	99 (14.69)
Catering staff	66	55 (83.33)	11 (16.67)
Professional personnel	472	412 (87.29)	60 (12.71)
Agriculture, forestry, animal husbandry, fishery employees	138	108 (78.26)	30 (21.74)
Else	99	82 (82.83)	17 (17.17)
Age (years)				83.245	<0.001
5–14	147	140 (95.24)	7 (4.76)
15–19	165	152 (92.12)	13 (7.88)
20–24	259	234 (90.35)	25 (9.65)
25–29	365	324 (88.77)	41 (11.23)
30–34	279	237 (84.95)	42 (15.05)
35–39	253	215 (84.98)	38 (15.02)
40–44	167	145 (86.83)	22 (13.17)
45–49	225	180 (80)	45 (20)
50–64	267	201 (75.28)	66 (24.72)
≥65	159	110(69.18)	49(30.82)
Education				83.158	<0.001
Primary school and below	408	294 (72.06)	114 (27.94)
Middle school	874	733 (83.87)	141 (16.13)
High school	342	301 (88.01)	41 (11.99)
Technical secondary school	115	103 (89.57)	12 (10.43)
College	322	297 (92.24)	25 (7.76)
Bachelor degree or above	225	210 (93.33)	15 (6.67)
Total persons in household				16.363	<0.001
1–3	857	693 (80.86)	164 (19.14)
4–6	1291	1126 (87.22)	165 (12.78)
≥7	138	119 (86.23)	19 (13.77)
Number of children under the age of five				9.942	0.007
0	1215	1004 (82.63)	211 (17.37)
1	902	783 (86.81)	119 (13.19)
≥2	169	151 (89.35)	18 (10.65)
Annual family income				24.500	<0.001
Less than 50,000RMB	465	366 (78.71)	99 (21.29)
50,000–90,000RMB	695	580 (83.45)	115 (16.55)
100,000–190,000RMB	777	680 (87.52)	97 (12.48)
200,000–490,000RMB	273	244 (89.38)	29 (10.62)
More than 500,000RMB	76	68 (89.47)	8 (10.53)

Table 2. Health status of respondents by intention to accept pertussis vaccine

Variable	Total n = 2286	Intention to accept vaccine		χ^2	P
		Yes (%) n = 1938	No (%) n = 348
Smoking history				3.985	0.136
Smoker	1026	862 (84.02)	164 (15.98)
Former-smoker	121	110 (90.91)	11 (9.09)
Nonsmoker	1139	966 (84.81)	173 (15.19)
Chronic disease				43.862	<0.001
Healthy	1907	1642 (86.1)	265 (13.9)
High Blood Pressure	204	144 (70.59)	60 (29.41)
Diabetes	47	37 (78.72)	10 (21.28)
Chronic digestive diseases	35	29 (82.86)	6 (17.14)
Heart Disease and Stroke	42	29 (69.05)	13 (30.95)
Otolaryngology chronic diseases	87	81 (93.1)	6 (6.9)
Chronic respiratory diseases	17	16 (94.12)	1 (5.88)
Else chronic diseases	24	20 (83.33)	4 (16.67)
Hypertension medication				1.924	0.165
Yes	177	128 (72.32)	49 (27.68)
No	27	16 (59.26)	11 (40.74)
Cough within one month
Yes	471	410 (87.05)	61 (12.95)	2.373	0.123
No	1815	1528 (84.19)	287 (15.81)
How many weeks does the cough last?
<1	308	267 (86.69)	41 (13.31)	6.797	0.095
1–2	110	98 (89.09)	12 (10.91)
3–4	23	22 (95.65)	1 (4.35)
5–8	7	4 (57.14)	3 (42.86)
>8	23	19 (82.61)	4 (17.39)
Go to a doctor because of the recent cough				39.459	<0.001
No	1245	1083 (86.99)	162 (13.01)
Yes	630	548 (86.98)	82 (13.02)
Never cough	411	307 (74.7)	104 (25.3)
Hospitalization because of the recent cough				38.659	<0.001
No	1846	1609 (87.16)	237 (12.84)
Yes	29	22 (75.86)	7 (24.14)
Never ill	411	307 (74.7)	104 (25.3)
Immunization history				7.929	0.047
Influenza vaccine	302	278 (92.05)	24 (7.95)
Pneumococcal vaccine	73	66 (90.41)	7 (9.59)
Hemophilus influenza vaccines	52	49 (94.23)	3 (5.77)
Diphtheria-tetanus-pertussis vaccine	532	460 (86.47)	72 (13.53)

Table 3. Pertussis knowledge of respondents by intention to accept pertussis vaccine

Variable	Total n = 2286	Intention to accept vaccine		χ^2	P
		Yes (%) n = 1938	No (%) n = 348
Awareness about pertussis				41.412	<0.001
Yes	1125	1009 (89.69)	116 (10.31)
No	1161	929 (80.02)	232 (19.98)
Pertussis can lead to hospitalization	1125			13.299	0.001
Yes	745	685 (91.95)	60 (8.05)
No	143	125 (87.41)	18 (12.59)
Unknown	237	199 (83.97)	38 (16.03)
Pertussis may cause death	1125			12.317	0.002
Yes	537	499 (92.92)	38 (7.08)
No	249	219 (87.95)	30 (12.05)
Unknown	339	291 (85.84)	48 (14.16)
Awareness about pertussis	2286			43.156	<0.001
Yes	1126	1011 (89.79)	115 (10.21)
No	1160	927 (79.91)	233 (20.09)
You may suffer pertussis again even if you have been vaccinated before	1126			0.476	0.788
Yes	487	439 (90.14)	48 (9.86)
No	327	295 (90.21)	32 (9.79)
Unknown	312	277 (88.78)	35 (11.22)
I consider the adult pertussis vaccine safe	1126			12.562	0.002
Yes	898	821 (91.43)	77 (8.57)
Not Sure	210	174 (82.86)	36 (17.14)
No	18	16 (88.89)	2 (11.11)

Table 4. Factors in relation to pertussis vaccine acceptance

Variable	β	S. E	waldχ^2	P	OR	95%CI
Age (years)	−0.176	0.026	45.088	<0.001	0.838	0.796–0.883
Education	0.158	0.051	9.661	0.002	1.171	1.060–1.294
Hospitalization because of the most recent cough			41.811	<0.001
Never cough					1	-
No	0.903	0.140	41.470	<0.001	2.468	1.875–3.249
Yes	0.408	0.475	0.738	0.390	1.504	0.593–3.820
Awareness about pertussis	0.672	0.147	20.898	<0.001	1.958	1.468–2.611
I consider pertussis vaccine safe			12.283	0.006
Never heard of pertussis vaccine					1	-
Safe	0.372	0.166	4.985	0.026	1.450	1.046–2.009
Not sure	−0.400	0.215	3.458	0.063	0.670	0.440–1.022
Unsafe	0.022	0.776	0.001	0.978	1.022	0.223–4.679