Table 1 Descriptive statistics of the study sample
Characteristics | Influenza | Pertussis | ||
|---|---|---|---|---|
Vaccinated n (%) | Unvaccinated n (%) | Vaccinated n (%) | Unvaccinated n (%) | |
Sex | n = 539 | n = 527 | ||
Female | 250 (46.4) | 281 (52.1) | 394 (75.9) | 125 (24.1) |
Male | 4 (50) | 4 (1.4) | 3 (37.5) | 5 (62.5) |
p-value | 0.573* | 0.025* | ||
Age (years) | n = 543 | n = 531 | ||
< 30 | 31 (44.9) | 40 (57.9) | 58 (89.2) | 7 (10.8) |
30–39 | 61 (38.9) | 96 (61.1) | 125 (79.1) | 33 (20.9) |
40–49 | 61 (40.7) | 89 (59.3) | 107 (71.8) | 42 (28.2) |
50–59 | 71 (60.7) | 46 (39.3) | 73 (65.8) | 38 (34.2) |
≥ 60 | 32 (68.1) | 15 (31.9) | 36 (76.6) | 11 (23.4) |
p-value | 0.001 | 0.020 | ||
Country of origin | ||||
Australia | 215 (49.8) | 217 (50.2) | 332 (78.7) | 90 (21.3) |
England | 12 (42.9) | 16 (57.1) | 20 (74.1) | 7 (25.9) |
New Zealand | 9 (52.9) | 8 (47.1) | 13 (81.3) | 3 (18.7) |
Other | 20 (30.3) | 46 (69.7) | 35 (53.0) | 31 (47.0) |
p-value | 0.225 | < 0.001 | ||
Language spoken | ||||
English only | 226 (49.3) | 232 (50.7) | 353 (79.1) | 93 (20.9) |
Bilingual | 22 (33.8) | 43 (66.2) | 36 (54.5) | 30 (45.5) |
p-value | 0.184 | < 0.001 | ||
Education level | ||||
High school or less | 5 (38.5) | 8 (61.5) | 8 (38.5) | 5 (61.5) |
Under graduate | 127 (52.0) | 117 (48.0) | 180 (76.3) | 56 (23.7) |
Postgraduate | 28 (39.5) | 43 (60.5) | 51 (70.8) | 21 (29.2) |
Certificate/ Diploma | 96 (44.7) | 119 (55.3) | 161 (76.6) | 49 (23.4) |
p-value | 0.280 | 0.365 | ||
State | ||||
New South Wales | 81 (44.3) | 102 (55.7) | 147 (80.8) | 35 (19.2) |
Queensland | 61 (50) | 61 (50) | 105 (83.3) | 21 (16.7) |
Victoria | 59 (44.7) | 73 (55.3) | 82 (65.1) | 44 (34.9) |
South Australia | 30 (73.2) | 11 (27.8) | 26 (72.2) | 10 (27.8) |
Western Australia | 11 (34.4) | 21 (65.6) | 16 (55.2) | 13 (44.8) |
Other | 14 (43.8) | 18 (56.2) | 24 (77.4) | 7 (22.6) |
p-value | 0.031 | 0.004 | ||
Employment status | ||||
Full time | 156 (46.7) | 178 (53.3) | 250 (62.8) | 80 (62.5) |
Part time | 77 (50) | 77 (50) | 116 (29.1) | 36 (28.1) |
Casual | 17 (40.5) | 25 (59.5) | 26 (6.5) | 10 (7.8) |
Student | 4 (50) | 4 (50) | 6 (1.5) | 2 (1.6) |
p-value | 0.844 | 0.545 | ||
Child care experience | ||||
< 1 year | 6 (30.0) | 14 (70.0) | 12 (70.6) | 5 (29.4) |
1–3 years | 16 (50) | 16 (50) | 23 (82.1) | 5 (17.9) |
4–6 years | 27 (49.0) | 28 (51.0) | 40 (72.7) | 15 (27.3) |
7–10 years | 31 (34.1) | 60 (65.9) | 66 (75.9) | 21 (24.1) |
11–15 years | 44 (50.6) | 43 (49.4) | 69 (80.2) | 17 (19.8) |
≥ 16 years | 130 (60.0) | 125 (40.0) | 189 (74.1) | 66 (25.9) |
p-value | 0.130 | 0.877 | ||
Type of day care | ||||
Family day care | 17 (53.1) | 15 (46.9) | 25 (83.3) | 5 (16.7) |
Long day care- community-run | 75 (50.7) | 73 (49.3) | 106 (71.1) | 43 (28.9) |
Long day care- privately owned | 122 (45.0) | 149 (55.0) | 211 (79.6) | 54 (20.4) |
Other | 40 (47.6) | 44 (52.4) | 54 (68.4) | 25 (31.6) |
p-value | 0.763 | 0.090 | ||
Centre ownership | ||||
Private | 110 (45.8) | 130 (54.2) | 191 (82.3) | 44 (18.7) |
Local council | 26 (63.4) | 15 (36.6) | 28 (71.8) | 11 (28.2) |
Community | 31 (47.7) | 34 (52.3) | 43 (68.3) | 20 (31.7) |
Employer (University or Company | 14 (46.7) | 16 (53.3) | 24 (80.0) | 6 (20.0) |
Non-profit organisation | 56 (44.1) | 71 (55.9) | 86 (68.8) | 39 (31.2) |
Other | 15 (46.9) | 17 (53.1) | 22 (71.0) | 9 (29) |
p-value | 0.321 | 0.029 | ||
No of children enrolled | ||||
≤ 20 | 15 (50.0) | 15 (50.0) | 18 (64.3) | 10 (35.7) |
21–50 | 54 (46.2) | 63 (53.8) | 83 (70.3) | 35 (29.7) |
51–100 | 105 (46.3) | 122 (53.7) | 169 (77.2) | 50 (22.8) |
> 100 | 80 (49.7) | 81 (50.3) | 126 (79.7) | 32 (20.3) |
p-value | 0.720 | 0.096 | ||