Table 1. Infant, maternal and family characteristics, according to the use of private vaccination servicesa in Brazilian municipalities, National Vaccine Coverage Survey, 2020 (n = 37,801) .
| Use of private vaccination services | Yes (9,287) | No (28,514) | p-value | ||||
|---|---|---|---|---|---|---|---|
| N | % | 95%CI | n | % | 95%CI | ||
| Characteristics of infants | |||||||
| Sex | 0.230 | ||||||
| Masculine | 4,769 | 49.4 | 46.3;52.5 | 14,638 | 51.6 | 49.9;53.2 | |
| Feminine | 4,518 | 50.6 | 47.5;53.7 | 13,876 | 48.4 | 46.8;50.1 | |
| Birth order | < 0.001 | ||||||
| First-born | 5,589 | 61.8 | 58.6;65.0 | 12,670 | 43.0 | 41.2;44.9 | |
| Second-born | 2,977 | 29.7 | 26.7;32.8 | 9,113 | 31.7 | 30.3;33.1 | |
| third-born | 553 | 6.5 | 4.9;8.5 | 4,155 | 15.0 | 13.9;16.1 | |
| Fourtd-born or later | 157 | 2.0 | 1.2;3.1 | 2,553 | 10.2 | 9.0;11.5 | |
| Maternal characteristics | |||||||
| Schooling (in years of study) | < 0.001 | ||||||
| ≤ 8 | 115 | 1.4 | 0.9;2.2 | 3,165 | 20.0 | 9.9;12.1 | |
| 9-12 | 231 | 3.4 | 2.4;4.9 | 5,263 | 19.6 | 18.0;21.2 | |
| 13-15 | 1,478 | 17.6 | 15.2;20.1 | 13,859 | 49.3 | 47.4;51.1 | |
| ≥ 16 | 7,311 | 75.9 | 72.7;78.6 | 5,326 | 16.8 | 15.3;18.4 | |
| Don’t know/didn’t answer | 152 | 1.7 | 1.1;2.5 | 901 | 3.3 | 2.7;3.9 | |
| Number of living children | < 0.001 | ||||||
| One | 4,317 | 49.1 | 45.6;52.7 | 10,024 | 33.3 | 31.7;35.0 | |
| Two | 3,965 | 39.2 | 35.7;42.8 | 10,062 | 35.7 | 33.9;37.4 | |
| three | 776 | 9.1 | 7.2;11.5 | 5,035 | 17.7 | 16.4;19.1 | |
| Four or more | 220 | 2.5 | 1.7;3.6 | 3,594 | 10.5 | 9.4;11.8 | |
| Age at the child’s birth (in years) | < 0.001 | ||||||
| ≤ 20 | 30 | 3.6 | 0.2;0.6 | 832 | 3.1 | 2.5;3.7 | |
| 20-34 | 2,920 | 29.7 | 26.7;32.8 | 18,797 | 64.1 | 62.5;65.8 | |
| ≥ 35 | 6,302 | 70.0 | 66.8;72.9 | 8,729 | 32.8 | 31.1;34.4 | |
| Don’t know/didn’t answer | 26 | 4.5 | 0.1;1.5 | 156 | 0.5 | 0.3;0.7 | |
| Marital status | < 0.001 | ||||||
| With partner | 8,266 | 88.4 | 86.2;90.3 | 19,975 | 69.3 | 67.7;70.8 | |
| Without a partner | 856 | 9.7 | 8.0;11.6 | 7,543 | 27.3 | 25.8;28.8 | |
| Don’t know/didn’t answer | 165 | 1.9 | 1.2;2.9 | 996 | 3.4 | 2.9;4.0 | |
| Paid work | < 0.001 | ||||||
| Yes | 6,882 | 72.8 | 69.7;75.8 | 13,564 | 47.0 | 45.4;48.6 | |
| No | 2,259 | 25.7 | 22.8;28.7 | 14,161 | 50.2 | 48.6;51.7 | |
| Don’t know/didn’t answer | 146 | 1.5 | 0.9;2.3 | 789 | 2.8 | 2.3;3.4 | |
| Race/skin color | < 0.001 | ||||||
| White | 6,365 | 69.9 | 66.3;73.3 | 8,862 | 36.2 | 34.0;38.5 | |
| Black | 375 | 6.0 | 4.3;8.4 | 3,880 | 14.7 | 13.5;16.0 | |
| Mixed-race | 2,252 | 20.5 | 19;23.1 | 14,607 | 44.7 | 42.8;46.7 | |
| Asian | 129 | 2.1 | 1.3;3.3 | 239 | 1.2 | 0.7;1.9 | |
| Indigenous | 10 | 0.0 | 0.0;0.1 | 115 | 0.4 | 0.2;0.5 | |
| Don’t know/didn’t answer | 156 | 1.4 | 0.9;2.2 | 811 | 0.3 | 2.2;3.3 | |
| Family characteristics | |||||||
| Socioeconomic stratum of the area of residence | < 0.001 | ||||||
| A | 3,642 | 27.2 | 23.0;31.9 | 4,691 | 6.7 | 5.6;7.9 | |
| B | 2,897 | 22.0 | 18.4;26.0 | 6,521 | 8.9 | 7.7;10.3 | |
| C | 2003 | 25.8 | 21.9;30.0 | 7,989 | 19.17 | 17.3;21.1 | |
| D | 745 | 24.9 | 20.8;29.5 | 9,313 | 65.2 | 62.3;68.0 | |
| Household consumption level | < 0.001 | ||||||
| A | 1,645 | 14.4 | 11.9;17.4 | 290 | 0.8 | 0.6;1.2 | |
| B | 5,135 | 52.0 | 48.0;55.7 | 3,866 | 11.3 | 10.0;12.6 | |
| C | 1,747 | 22.4 | 19.3;25.7 | 9,868 | 37.6 | 35.6;39.6 | |
| D | 488 | 7.8 | 6.1;9.9 | 13,520 | 46.8 | 44.7;49.0 | |
| Don’t know/didn’t answer | 272 | 3.4 | 2.4;4.9 | 970 | 3.5 | 2.9;4.1 | |
| Monthly household income (in BRL) | < 0.001 | ||||||
| ≤ 1,000 | 359 | 6.7 | 5.1;8.6 | 8,327 | 32.9 | 30.8;35.1 | |
| 1,000-3,000 | 1,115 | 13.6 | 11.1;16.6 | 11,551 | 40.9 | 38.8;43.1 | |
| 3,000-8,000 | 2,718 | 25.2 | 22.0;28.7 | 4,741 | 13.0 | 11.7;14.4 | |
| ≥ 8,001 | 3,646 | 29.6 | 26.1;33.4 | 974 | 2.3 | 1.9;2.9 | |
| Don’t know/didn’t answer | 1,449 | 24.8 | 20.8;29.4 | 2,921 | 10.7 | 10.0;12.6 | |
a) Yes: participants who have used private vaccination services at least once; No: participants who exclusively used public vaccination services.